A building comprising an interior space having a plurality of rooms

Abstract

A building (1) comprising an interior space (3) having a plurality of rooms (4), the building (1) further comprising an air ventilation system (5) provided with an inlet (7) for providing air, into the interior space (3) and an outlet (9) for exhausting air from the interior space (3), the air ventilation system (5) further comprising: - a heat pump (13) arranged for providing and / or extracting, in a first operational state of the heat pump (13), heat from air originating from the inlet (7); - a second temperature detector (17) arranged for detecting a temperature of air originating from the heat pump (13) that is to be provided to the plurality of rooms (4); - a distribution system (21) for distributing air originating from the heat pump (13) directly to the plurality of rooms (4).

Description

[0001] The present disclosure relates to a building comprising an interior space having a plurality of rooms, the building further comprising an air ventilation system provided with an inlet for providing air, into the interior space and an outlet for exhausting air from the interior space.

[0002] The air ventilation system further comprises: a heat pump, communicatively coupled for fluid flow with the inlet and the outlet, arranged for providing and / or extracting, in a first operational state of the heat pump, heat from air originating from the inlet; a second temperature detector arranged for detecting a temperature of air originating from the heat pump that is to be provided to the plurality of rooms; a distribution system, communicatively coupled for fluid flow with the heat pump and the plurality of rooms, for distributing air originating from the heat pump, preferably directly, to the plurality of rooms, wherein the distribution system is provided with: a plurality of valves, each arranged for controlling an air flow rate to a respective room of the plurality of rooms, wherein each of the valves comprises a first operational state and a second operational state; a control arrangement, communicatively coupled to the heat pump, the second temperature detector, the plurality of valves, arranged for selectively bringing the building in one of a first operational state and a second operational state.

[0003] In an embodiment, the control arrangement is arranged for selectively bringing the building in one of a first operational state and a second operational state wherein a valve of the plurality of valves arranged for controlling the air flow to the room is brought from a first operational state into a second operational state, wherein the flow rate is lower than in the first operational state, upon detecting, by the second temperature detector, that the air temperature is below a first predetermined temperature and wherein further valves of the plurality of valves are brought from a second operational state to a first operational state, wherein the flow rate is higher than in the second operational state.

[0004] Providing the air ventilation system with the control arrangement is beneficial for avoiding, or at least reducing, a change of temperature of the air in the room when the air temperature provided to the room, via the air distribution system, is below the first predetermined temperature. In addition, by bringing the further valves in the second operational state, the flow rate of air into the other rooms of the plurality of rooms may increase which is beneficial for ventilation of those rooms and may result in a change of temperature, preferably cooling, of the other rooms.

[0005] It is a known problem that in highly insulated buildings irradiation of the sun via a window may result in an air temperature in a room that is relatively high. The present disclosure relies at least partly on the insight that by using a control arrangement according to the present disclosure, cooling and heating may be realized using a single heat exchanger and heat pump for different rooms, wherein the actual cooling and heating for different rooms may vary depending on the needs of the persons present in the building thereby realizing a differentiated temperature control at a relatively low cost and relative high energy efficiency.

[0006] Preferably, the air ventilation system comprises: a heat exchanger, communicatively coupled for fluid flow with the inlet, arranged for exchanging heat, in use, between air originating from outside the building and air originating from a room of the plurality of rooms.

[0007] In this regard it is beneficial if the heat pump is communicatively coupled for fluid flow, via the heat exchanger, to the inlet.

[0008] Preferably the air ventilation system comprises a first temperature detector arranged for detecting a temperature of air outside the building that is to be provided to the heat exchanger.

[0009] Preferably, the distribution system comprises a plurality of flow rate detectors, each arranged for detecting a flow rate of air to a respective room of the plurality of rooms.

[0010] Preferably, the air ventilation system comprises a third temperature detector arranged for detecting a temperature of air in the room of the plurality of rooms.

[0011] Preferably, the control arrangement is further communicatively coupled to the first temperature detector, the third temperature detector and / or the plurality of flow rate detectors.

[0012] In this regard, it is beneficial if the first predetermined temperature is below a temperature detected by the third temperature detector. This is beneficial for maintaining the room at an elevated temperature in a passive manner for a relative long period.

[0013] Preferably, the control arrangement is further arranged for bringing the building in a second operational state, wherein the valve of the plurality of valves arranged for controlling the air flow to the room is brought from the second operational state into the first operational state, wherein the flow rate is higher than in the second operational state, upon detecting, by the second temperature detector, that the air temperature is exceeding a second predetermined temperature and wherein the further valves of the plurality of valves are brought from the first operational state to the second operational state wherein the flow rate is lower than in the first operational state.

[0014] Arranging the control arrangement for bringing the building in the second operational state is beneficial for allowing the air temperature of the room to be elevated relative to the other rooms of the plurality of rooms thereby realizing a differentiated temperature control.

[0015] In this regard, it is advantageous if the control arrangement is further arranged for bringing the building in a third operational state, wherein the heat pump is brought to a second operational state, wherein the heat pump stops providing and / or extracting heat from air originating from the inlet, preferably from air originating from the heat exchanger, upon detecting by the third temperature detector that a temperature of air in the room of the plurality of rooms is equal to or higher than the second predetermined temperature.

[0016] Arranging the control arrangement for bringing the building in the third operational state is beneficial for maintaining the room at an elevated temperature in a passive manner for a relative long period.

[0017] Preferably, the building further comprises: a register comprising valve control time data elements comprising at least a start time for bringing the building in a fourth operational state and a stop time for ending the fourth operational state; a determining unit, communicatively coupled to the register, arranged for determining a timing of the actual time relative to the start time and the stop time and arranged for providing a first output signal when the determining unit determines that the start time of one of the valve control time data elements corresponds to the actual time or when the determining unit determines that the actual time is between the start time and the stop time of one of the valve control time data elements; wherein the control arrangement is further communicatively coupled to the register and the determining unit and arranged for receiving the first output signal and for bringing the building in the fourth operational state based on the first output signal, wherein in the fourth operational state the heat pump is in the first operational state wherein the heat pump is extracting heat from air originating from the inlet, preferably from air originating from the heat exchanger, the valve of the plurality of valves arranged for controlling the air flow to the room is brought from the second operational state into the first operational state wherein the flow rate is higher than in the second operational state and the further valves of the plurality of valves are brought from the first operational state to the second operational state wherein the flow rate is lower than in the first operational state.

[0018] Providing the register and the determining unit is beneficial for allowing the building to switch between operational modes depending on the actual time thereby allowing the building to be not only controlled based on detected temperatures, but in addition also allow to adopt a different operational status independent from a detected temperature thereby allowing to meet the needs of the persons present in the building and realizing a differentiated temperature control at a relatively low cost and relative high energy efficiency.

[0019] In this regard, it is beneficial if the start time is between 6 - 8 AM and the stop time is between 5 - 7 PM. Such a start and stop time is considered beneficial given the requirements that people generally may have with respect to temperatures of the air temperature in a room of a building.

[0020] In particular, in a case wherein irradiation of the sun via a window result in an air temperature in a room that is relatively high, cooling different rooms during the course of a day is attractive for realizing a relative pleasant climate inside the building. For a building such as a house, it is considered that the living room may be cooled between the start and the stop time, whereas a sleeping room may be cooled between the stop time and the start time.

[0021] In this regard, it is advantageous if the valve control time data elements comprised by the register further comprise a third predetermined temperature, wherein the determining unit is further arranged for providing the first output signal when the determining unit determines that the start time of one of the valve control time data elements corresponds to the actual time or when the determining unit determines that the actual time is between the start time and the stop time of one of the valve control time data elements and the temperature detected by the third temperature detector exceeds the third predetermined temperature.

[0022] Providing the first output signal between the start and the stop time in combination with a detecting, by the third temperature detector, that the air temperature exceeds the third predetermined temperature is beneficial for maintaining a temperature in the room in a passive manner a relatively low cost and relative high energy efficiency.

[0023] In an embodiment of the building, the determining unit is further arranged for providing a second output signal when the determining unit determines that the start time of one of the valve control time data elements differs from the actual time and that the actual time is before the start time and after the stop time of one of the valve control time data elements; wherein the control arrangement is further arranged for receiving the second output signal and for bringing the building in a fifth operational state based on the second output signal, wherein in the fifth operational state the heat pump is in the first operational state wherein the heat pump is extracting heat from air originating from the inlet, preferably from air originating from the heat exchanger, the valve of the plurality of valves arranged for controlling the air flow to the room is brought from the first operational state into the second operational state wherein the flow rate is lower than in the first operational state and the further valves of the plurality of valves are brought from the second operational state to the first operational state wherein the flow rate is higher than in the second operational state.

[0024] Providing a determining unit arranged for providing the second output signal allows the control arrangement to bring the building into the fifth operational state. The fifth operational state is beneficial for realizing air temperatures in the rooms that may meet the needs of the persons inside the building during different parts of the day. It is known that people generally may have different requirements as regards air temperatures inside the building for different parts of the day, such as day and night.

[0025] Preferably, the building further comprises: a fourth temperature detector arranged for detecting a temperature of air in a further room of the plurality of rooms.

[0026] In an embodiment of the building, the determining unit is further arranged for providing the second output signal when the determining unit determines that the start time of one of the valve control time data elements differs from the actual time and when the determining unit determines that the actual time is before the start time and after the stop time of one of the valve control time data elements and the temperature detected by the fourth temperature detector exceeds a fourth predetermined temperature.

[0027] Providing the second output signal between the start and the stop time in combination with a detecting, by the fourth temperature detector, that the air temperature exceeds a fourth predetermined temperature is beneficial for allowing the air ventilation system to extract heat from the air provided to the further room for maintaining a temperature in the further room equal to or lower than the fourth predetermined temperature between the stop and the start time.

[0028] Preferably, the control arrangement comprises a plurality of control units, wherein each of the control units is associated with a respective valve of the plurality of valves and the heat pump.

[0029] It is beneficial, if the building further comprises a heating unit, such as an electrical heating unit, communicatively coupled with the control arrangement, wherein the heating unit is connected to the distribution system for providing heat to the air present in the distribution system, preferably for providing heat to the air present in the distribution system between the heat pump and a valve of the plurality of valves.

[0030] Providing a heating unit is beneficial for increasing a temperature of air that is to be provided to the room above a temperature that may be provided by the heat pump in an efficient manner thereby allowing to realize the air temperature in the room to increase relatively rapidly.

[0031] In this regard, it is beneficial if the control arrangement is further arranged, in the second operational state of the building, for bringing the heating unit in a first operational state for heating the air present in the distribution system, preferably for heating the air present in the distribution system between the heat pump and a valve of the plurality of valves, and for bringing the heating unit in a second operational state wherein the heating unit stops for heating the air present in the distribution system between the heat pump and a valve of the plurality of valves.

[0032] Preferably, the room of the plurality of rooms is one of a living room, bath room and a kitchen and wherein further rooms of the plurality of rooms are sleeping rooms.

[0033] It is advantageous, if the building, when provided on the Northern Hemisphere is arranged for being in the first, second or third operational state between 21 September - 20 May and in the third, fourth or fifth operational state between 21 May - 20 September.

[0034] It is advantageous, if the building, when provided on the Southern Hemisphere is arranged for being in the first, second or third operational state in a first state of the control arrangement and in the third, fourth or fifth operational state in a second state of the control arrangement.

[0035] In an embodiment of the building, the first predetermined temperature is lower than the second predetermined temperature.

[0036] Preferably, the heat pump is arranged for providing heat to air originating from the inlet, preferably from air originating from the heat exchanger, in the first operational state of the heat pump when the first temperature is below a fifth predetermined temperature and for extracting heat from air originating from the inlet, preferably from air originating from the heat exchanger, in the first operational state of the heat pump when the first temperature is equal to or exceeds the fifth predetermined temperature.

[0037] In this regard, it is advantageous if the fifth predetermined temperature is below the first and second predetermined temperature.

[0038] Preferably, the heat exchanger is provided downstream from the inlet and upstream from the heat pump.

[0039] It is beneficial if the heat pump comprises: a compressor arranged for increasing a pressure of a refrigerant; a heat-source-side heat exchanger configured to cause heat exchange between the refrigerant flowing therein and a first fluid passing therethrough; a utilization-side heat exchanger configured to cause heat exchange between refrigerant flowing therein and a second fluid passing therethrough; a high-pressure refrigerant pipe connected to each of a discharge port of the compressor and the utilization-side heat exchanger; a low-pressure refrigerant pipe connected to each of the heat-source-side heat exchanger and a suction port of the compressor; a liquid refrigerant pipe connected to each of the heat-source-side heat exchanger and the utilization-side heat exchanger; a pressure decreasing device arranged for decreasing the pressure of the refrigerant disposed in the liquid refrigerant pipe.

[0040] The present disclosure will now be explained by means of a description of embodiments of a building according to the present disclosure, in which reference is made to the following schematic figures, in which: Fig. 1 schematically shows a side view of a building according to the present disclosure; Fig. 2 schematically shows a side view of another building according to the present disclosure.

[0041] Fig. 1 shows a side view of a building 1 comprising an interior space 3 having a plurality of rooms 4. The building 1 further comprises an air ventilation system 5 provided with an inlet 7 for providing air, into the interior space 3 and an outlet 9 for exhausting air from the interior space 3. The air ventilation system 5 further comprises a heat exchanger 11, communicatively coupled for fluid flow with the inlet 7, arranged for exchanging heat, in use, between air originating from outside the building 1 and air originating from a room 4a of the plurality of rooms 4. The air ventilation system 5 also comprises a heat pump 13, communicatively coupled for fluid flow with the heat exchanger 11 and the outlet 9, arranged for providing and / or extracting, in a first operational state of the heat pump 11, heat from air originating from the heat exchanger 11. The heat exchanger 11 is provided downstream from the inlet 7 and upstream from the heat pump 13.

[0042] The air ventilation system 5 of the building 1 as shown in Fig. 1 further comprises a first temperature detector 15, a second temperature detector 17, and a third temperature detector 19. The first temperature detector 15 is arranged for detecting a temperature of air outside the building 1 that is to be provided to the heat exchanger 11. The second temperature detector 17 is arranged for detecting a temperature of air originating from the heat pump 13 that is to be provided to the plurality of rooms 4. The third temperature detector 19 is arranged for detecting a temperature of air in the room 4a of the plurality of rooms 4.

[0043] The air ventilation system 5 as shown in Fig. 1 further comprises a distribution system 21, communicatively coupled for fluid flow with the heat pump 13 and the plurality of rooms 4, for distributing air originating from the heat pump 13 directly to the plurality of rooms 4. The distribution system 21 is provided with a plurality of valves 23, each arranged for controlling an air flow rate to a respective room 4a of the plurality of rooms 4, wherein each of the valves 23 comprises a first operational state and a second operation state. The distribution system 21 is further provided with a plurality of flow rate detectors 25, each arranged for detecting a flow rate of air to a respective room 4a of the plurality of rooms 4.

[0044] The air ventilation system 5 as shown in Fig. 1 further comprises a control arrangement 27 that is communicatively coupled to the heat pump 13, the first temperature detector 15, the second temperature detector 17, the third temperature detector 19, the plurality of valves 23 and the plurality of flow rate detectors 25. The control arrangement 27 further comprises a plurality of control units 37, wherein each of the control units 37 is associated with a respective valve 23a of the plurality of valves 23 and the heat pump 13. The control arrangement 27 is arranged for selectively bringing the building 1 in one of a first operational state and a second operational state wherein a valve 23a of the plurality of valves 23 arranged for controlling the air flow to the room 4a is brought from a first operational state into a second operational state, wherein the flow rate is lower than in the first operational state, upon detecting, by the second temperature detector 17, that the air temperature is below a first predetermined temperature and wherein further valves 23b of the plurality of valves 23 are brought from a second operational state to a first operational state, wherein the flow rate is higher than in the second operational state.

[0045] The control arrangement 27 is further arranged for bringing the building 1 in a second operational state wherein the valve 23a of the plurality of valves 23 arranged for controlling the air flow to the room 4a is brought from the second operational state into the first operational state, wherein the flow rate is higher than in the second operational state, upon detecting, by the second temperature detector 17, that the air temperature is exceeding a second predetermined temperature and wherein the further valves 23b of the plurality of valves 23 are brought from the first operational state to the second operational state wherein the flow rate is lower than in the first operational state.

[0046] The control arrangement 27 is further arranged for bringing the building 1 in a third operational state wherein the heat pump 13 is brought to a second operational state, wherein the heat pump 13 stops providing and / or extracting heat from air originating from the heat exchanger 11, upon detecting by the third temperature detector 19 that a temperature of air in the room 4a of the plurality of rooms 4 is equal to or higher than the second predetermined temperature.

[0047] The heat pump 13 is arranged for providing heat to air originating from the heat exchanger 11 in the first operational state of the heat pump 13 when the first temperature is below a fifth predetermined temperature and for extracting heat from air originating from the heat exchanger 11 in the first operational state of the heat pump 13 when the first temperature is equal to or exceeds the fifth predetermined temperature.

[0048] The building 1 as shown in Fig. 2 comprises the same features as the building 1 as shown in Fig. 1, and further comprises a register 29. The register 29 comprises valve control time data elements 31 comprising at least a start time for bringing the building 1 in a fourth operational state and a stop time for ending the fourth operational state. The building 1 further comprises a determining unit 33, communicatively coupled to the register 29, arranged for determining a timing of the actual time relative to the start time and the stop time and arranged for providing a first output signal when the determining unit 33 determines that the start time of one of the valve control time data elements 31 corresponds to the actual time or when the determining unit 33 determines that the actual time is between the start time and the stop time of one of the valve control time data elements 31.

[0049] The control arrangement 27 is further communicatively coupled to the register 29 and the determining unit 33 and arranged for receiving the first output signal and for bringing the building 1 in the fourth operational state based on the first output signal, wherein in the fourth operational state the heat pump 13 is in the first operational state wherein the heat pump 13 is extracting heat from air originating from the heat exchanger 11, the valve 23a of the plurality of valves 23 arranged for controlling the air flow to the room 4a is brought from the second operational state into the first operational state wherein the flow rate is higher than in the second operational state and the further valves 23b of the plurality of valves 23 are brought from the first operational state to the second operational state wherein the flow rate is lower than in the first operational state.

[0050] The valve control time data elements 31 comprised by the register 29 further comprise a third predetermined temperature, wherein the determining unit 33 is further arranged for providing the first output signal when the determining unit 33 determines that the start time of one of the valve control time data elements 31 corresponds to the actual time or when the determining unit 33 determines that the actual time is between the start time and the stop time of one of the valve control time data elements 31 and the temperature detected by the third temperature detector 19 exceeds the third predetermined temperature.

[0051] Further, the wherein the determining unit 33 is further arranged for providing a second output signal when the determining unit 33 determines that the start time of one of the valve control time data elements 31 differs from the actual time and that the actual time is before the start time and after the stop time of one of the valve control time data elements 31. The control arrangement 27 is further arranged for receiving the second output signal and for bringing the building 1 in a fifth operational state based on the second output signal, wherein in the fifth operational state the heat pump 13 is in the first operational state wherein the heat pump 13 is extracting heat from air originating from the heat exchanger 11, the valve 23a of the plurality of valves 23 arranged for controlling the air flow to the room 4a is brought from the first operational state into the second operational state wherein the flow rate is lower than in the first operational state and the further valves 23b of the plurality of valves 23 are brought from the second operational state to the first operational state wherein the flow rate is higher than in the second operational state.

[0052] In Fig. 2, the building 1 further comprises a fourth temperature detector 35 arranged for detecting a temperature of air in a further room 4b of the plurality of rooms 4. The determining unit 33 is further arranged for providing the second output signal when the determining unit 33 determines that the start time of one of the valve control time data elements 31 differs from the actual time and when the determining unit 33 determines that the actual time is before the start time and after the stop time of one of the valve control time data elements 31 and the temperature detected by the fourth temperature detector 35 exceeds a fourth predetermined temperature.

[0053] The building 1 shown in Fig. 2 further comprises a heating unit 39, communicatively coupled with the control arrangement 27, wherein the heating unit 39 is connected to the distribution system 21 for providing heat to the air present in the distribution system 21 between the heat pump 13 and a valve 23a of the plurality of valves 23. The control arrangement 27 is further arranged, in the second operational state of the building 1, for bringing the heating unit 39 in a first operational state for heating the air present in the distribution system 21 between the heat pump 13 and a valve 23a of the plurality of valves 23 and for bringing the heating unit 39 in a second operational state wherein the heating unit 39 stops for heating the air present in the distribution system 21 between the heat pump 13 and a valve 23a of the plurality of valves 23.

[0054] The building 1 as shown in Fig. 1 or 2 is arranged for being in the first, second or third operational state between 21 September - 20 May and in the third, fourth or fifth operational state between 21 May - 20 September. Thus, the operational state depends on the location of the building 1, i.e., Northern or Southern hemisphere, and / or on the season in the year, e.g., winter or summer.

[0055] Modifications and additions to the embodiments disclosed above are obvious to those skilled in the art and covered by the scope of the appended claims. Embodiments and examples of the first aspect of the present invention are also applicable to the second and third aspects of the present invention.

[0056] Other variations to the disclosed embodiments can be understood and effected by those skilled in the art in practicing the claimed invention, from a study of the drawings, the disclosure, and the appended claims. In the claims, the word "comprising" does not exclude other elements or steps, and the indefinite article "a" or "an" does not exclude a plurality. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measured cannot be used to advantage. Any reference signs in the claims should not be construed as limiting the scope thereof. One or more of the objects of the invention are achieved by the appended claims.

Claims

1. A building (1) comprising an interior space (3) having a plurality of rooms (4), the building (1) further comprising an air ventilation system (5) provided with an inlet (7) for providing air, into the interior space (3) and an outlet (9) for exhausting air from the interior space (3), the air ventilation system (5) further comprising: - a heat pump (13), communicatively coupled for fluid flow with the inlet (7) and the outlet (9), arranged for providing and / or extracting, in a first operational state of the heat pump (13), heat from air originating from the inlet (7); - a second temperature detector (17) arranged for detecting a temperature of air originating from the heat pump (13) that is to be provided to the plurality of rooms (4, 4a, 4b); - a distribution system (21), communicatively coupled for fluid flow with the heat pump (13) and the plurality of rooms (4, 4a, 4b), for distributing air originating from the heat pump (13) to the plurality of rooms (4, 4a, 4b), wherein the distribution system (21) is provided with: - a plurality of valves (23), each arranged for controlling an air flow rate to a respective room (4a) of the plurality of rooms (4, 4a, 4b), wherein each of the valves (23) comprises a first operational state and a second operational state; - a control arrangement (27), communicatively coupled to the heat pump (13), the second temperature detector (17), the plurality of valves (23), arranged for selectively bringing the building (1) in one of a first operational state and a second operational state wherein a valve (23a) of the plurality of valves (23) arranged for controlling the air flow to the room (4a) is brought from a first operational state into a second operational state, wherein the flow rate is lower than in the first operational state, upon detecting, by the second temperature detector (17), that the air temperature is below a first predetermined temperature and wherein further valves (23b) of the plurality of valves (23) are brought from a second operational state to a first operational state, wherein the flow rate is higher than in the second operational state.

2. The building (1) according to claim 1, wherein the control arrangement (27) is further arranged for bringing the building (1) in a second operational state wherein the valve (23a) of the plurality of valves (23) arranged for controlling the air flow to the room (4a) is brought from the second operational state into the first operational state, wherein the flow rate is higher than in the second operational state, upon detecting, by the second temperature detector (17), that the air temperature is exceeding a second predetermined temperature and wherein the further valves (23b) of the plurality of valves (23) are brought from the first operational state to the second operational state wherein the flow rate is lower than in the first operational state, preferably wherein the first predetermined temperature is lower than the second predetermined temperature.

3. The building (1) according to claim 1 or 2, wherein the building (1) further comprises further at least one of: - a third temperature detector (19) arranged for detecting a temperature of air in the room (4a) of the plurality of rooms (4, 4a, 4b), wherein the control arrangement (27) is further communicatively coupled to the third temperature detector (19); and - a heat exchanger (11), communicatively coupled for fluid flow with the inlet (7), arranged for exchanging heat, in use, between air originating from outside the building (1) and air originating from a room (4a) of the plurality of rooms (4, 4a, 4b) and wherein the heat pump (13) is communicatively coupled for fluid flow, via the heat exchanger (11), to the inlet (7).

4. The building (1) according to claim 3, wherein the control arrangement (27) is further arranged for bringing the building (1) in a third operational state wherein the heat pump (13) is brought to a second operational state, wherein the heat pump (13) stops providing and / or extracting heat from air originating from the inlet (7), preferably from air originating from the heat exchanger (11), upon detecting by the third temperature detector (19) that a temperature of air in the room (4a) of the plurality of rooms (4, 4a, 4b) is equal to or higher than the second predetermined temperature.

5. The building (1) according to any one of the preceding claims, wherein the building (1) further comprises: - a register (29) comprising valve control time data elements (31) comprising at least a start time for bringing the building (1) in a fourth operational state and a stop time for ending the fourth operational state; - a determining unit (33), communicatively coupled to the register (29), arranged for determining a timing of the actual time relative to the start time and the stop time and arranged for providing a first output signal when the determining unit (33) determines that the start time of one of the valve control time data elements (31) corresponds to the actual time or when the determining unit (33) determines that the actual time is between the start time and the stop time of one of the valve control time data elements (31); wherein the control arrangement (27) is further communicatively coupled to the register (29) and the determining unit (33) and arranged for receiving the first output signal and for bringing the building (1) in the fourth operational state based on the first output signal, wherein in the fourth operational state the heat pump (13) is in the first operational state wherein the heat pump (13) is extracting heat from air originating from the inlet (7), preferably from air originating from the heat exchanger (7), the valve (23a) of the plurality of valves (23) arranged for controlling the air flow to the room (4a) is brought from the second operational state into the first operational state wherein the flow rate is higher than in the second operational state and the further valves (23b) of the plurality of valves (23) are brought from the first operational state to the second operational state wherein the flow rate is lower than in the first operational state.

6. The building (1) according to claim 3 and 5, wherein the valve control time data elements (31) comprised by the register (29) further comprise a third predetermined temperature, wherein the determining unit (33) is further arranged for providing the first output signal when the determining unit (33) determines that the start time of one of the valve control time data elements (31) corresponds to the actual time or when the determining unit (33) determines that the actual time is between the start time and the stop time of one of the valve control time data elements (31) and the temperature detected by the third temperature detector (19) exceeds the third predetermined temperature.

7. The building (1) according to claim 5, wherein the determining unit (33) is further arranged for providing a second output signal when the determining unit (33) determines that the start time of one of the valve control time data elements (31) differs from the actual time and that the actual time is before the start time and after the stop time of one of the valve control time data elements (31); wherein the control arrangement (27) is further arranged for receiving the second output signal and for bringing the building (1) in a fifth operational state based on the second output signal, wherein in the fifth operational state the heat pump (13) is in the first operational state wherein the heat pump (13) is extracting heat from air originating from the inlet (7), preferably from air originating from the heat exchanger (7), the valve (23a) of the plurality of valves (23) arranged for controlling the air flow to the room (4a) is brought from the first operational state into the second operational state wherein the flow rate is lower than in the first operational state and the further valves (23b) of the plurality of valves (23) are brought from the second operational state to the first operational state wherein the flow rate is higher than in the second operational state.

8. The building (1) according to claim 6 or 7, wherein the building (1) further comprises: - a fourth temperature detector (35) arranged for detecting a temperature of air in a further room (4b) of the plurality of rooms (4, 4a, 4b); and wherein the determining unit (33) is further arranged for providing the second output signal when the determining unit (33) determines that the start time of one of the valve control time data elements (31) differs from the actual time and when the determining unit (33) determines that the actual time is before the start time and after the stop time of one of the valve control time data elements (31) and the temperature detected by the fourth temperature detector (35) exceeds a fourth predetermined temperature.

9. The building (1) according to any one of the preceding claims, wherein the control arrangement (27) comprises a plurality of control units (37), wherein each of the control units (37) is associated with a respective valve (23a,23b) of the plurality of valves (23) and the heat pump (13).

10. The building (1) according to any one of the preceding claims, wherein the building (1) further comprises a heating unit (39), such as an electrical heating unit, communicatively coupled with the control arrangement (27), wherein the heating unit (39) is connected to the distribution system (21) for providing heat to the air present in the distribution system (21), preferably for providing heat to the air present in the distribution system (21) between the heat pump (13) and a valve (23a) of the plurality of valves (23).

11. The building (1) according claim 10, wherein the control arrangement (27) is further arranged, in the second operational state of the building (1), for bringing the heating unit (39) in a first operational state for heating the air present in the distribution system (21), preferably for heating the air present in the distribution system (21) between the heat pump (13) and a valve (23a) of the plurality of valves (23), and for bringing the heating unit (39) in a second operational state wherein the heating unit (39) stops for heating the air present in the distribution system (21) between the heat pump (13) and a valve (23a) of the plurality of valves (23).

12. The building (1) according to any one of the preceding claims, wherein the room (4a) of the plurality of rooms (4, 4a, 4b) is one of a living room, bath room and a kitchen and wherein further rooms (4b) of the plurality of rooms (4, 4a, 4b) are sleeping rooms.

13. The building (1) according to any one of the preceding claims, wherein the building (1) is arranged for being in the first, second or third operational state in a first state of the control arrangement (27) and in the third, fourth or fifth operational state in a second state of the control arrangement (27).

14. The building (1) according to any one of the preceding claims, wherein the heat pump (13) is arranged for providing heat to air originating from the inlet (7), preferably from air originating from the heat exchanger (11), in the first operational state of the heat pump (13) when the first temperature is below a fifth predetermined temperature and for extracting heat from air originating from the inlet (7), preferably from air originating from the heat exchanger (11), in the first operational state of the heat pump (13) when the first temperature is equal to or exceeds the fifth predetermined temperature, more preferably wherein the fourth predetermined temperature is below the first and second predetermined temperature.

15. The building (1) according to any one of the preceding claims, wherein the heat exchanger (11) is provided downstream from the inlet (7) and upstream from the heat pump (13).

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