Hot-Air Central Heating TRIZ Cases

See how separate ceiling and floor blowing units with zone-specific sensors reduce energy waste

See how an intermediate heat exchanger transfers heat between refrigerant and water to prevent

See how a balancing circuit redistributes thermal energy between rooms to equalize temperature

See how supply water temperature adjustment based on return-supply temperature difference minim

See how integrating the thermostat inside the air plenum eliminates remote sensors and complex

See how hollow load-bearing elements use internal pressure changes to adjust fluid temperature,

See how a flue-gas heat exchanger captures exhaust thermal energy and transfers it to circulati

See how a double-walled combustion chamber, flat-tube flue-gas heat exchanger, and counter-curr

See how a hydro-furnace merges water heater and air handler into one unit, reducing weight and

See how a dual-source heat pump merges air-source and ground-source circuits via mutual ducts t

See how a modular heat pump replaces legacy gas heaters while retaining existing ductwork, redu

See how a polymer heat exchanger with microchannel flow passages and counterflow design reduces

See how a combustion chamber immersed in liquid medium destroys pyrotechnic waste safely while

See how merging expansion tank, air separator, and make-up device into one housing simplifies h

See how a closed-loop gas sensor system dynamically recalibrates to detect small hydrocarbon le

See how a heated air gap between parallel walls provides thermal insulation without exterior ch

See how a hydrogen-fueled dark radiator uses a secondary burner fed by primary exhaust to elimi

See how merging air heating and hot water supply into one combustion-based system reduces occup

See how relay-based switching enables a heat pump and backup device to share one power feed, re

See how primary and secondary combustion air passages with temperature-responsive valve control

See how a combustion device with heat exchanger and air recirculation captures exhaust heat to

See how fuel-level sensors and multi-zone temperature monitoring detect inefficiencies and faul

See how slidable burner hangers and rigid exhaust hangers accommodate independent thermal expan

See how tab-slot fastening replaces screw-based burner attachment, enabling technicians to inst

See how offset fuel-gas and electric heating components enable independent control and simplifi

See how natural draft oxygen supply and gravity-fed fuel delivery enable biomass pellet furnace

See how an exterior liquid-cooled genset transfers waste heat via coolant loop and liquid-to-ai

See how an air heating apparatus uses expansion tank steam and a supply flow path to humidify a

See how a push-pull blower design maintains lean fuel/air ratios for stable combustion while re

See how dynamic supply air temperature adjustment based on burning time prevents short ON/OFF c

See how exhaust gas recirculation through a venturi mixer lowers flame temperature and reduces

See how a multistage radiant brooder uses black body sensors and processor control to optimize

See how a furnace controller dynamically adjusts air-to-fuel ratio across firing rates to impro

See how a water-powered turbine, cam, and shutter mechanism create pulsating spray by oscillati

See how dynamic supply water temperature adjustment balances heat source COP and pump power usi

See how a push-pull blower system controls fuel/air ratio to achieve sub-14 ng/J NOx emissions

See how a ceramic catalytic condenser uses natural ceramic cylinders and bio-filtration to elim

See how periodic throttle opening changes alternate refrigerant states between superheated and

See how segmented compressor circuits (2-40 tons each) enable precise capacity adjustment to ma

See how random time-delay switching distributes arc wear across relay contacts to prevent prema

See how a hypocaust forming mold with integrated passages and positioning structures simplifies

See how cavities between flat modules become heating and cooling canals, reducing energy use to

See how a random time-delay switch distributes relay actuation across AC waveform cycles to red

See how vertically aligned heat exchanger and blower compartments form a support column that en

See how a tubular mesh burner spreads flame across a porous surface to lower combustion tempera

Medium-frequency signals sent over shared AC power lines let dark radiator burners be centrally controlled with less cabling and fewer faults.

By placing the electric heat coil in open space beside the heat exchanger, the fan coil adds heating without increasing unit height.

A porous membrane condenses water from furnace flue gas, humidifies indoor air, and blocks harmful gases without an external water supply.

Distributed water storage and heat pumps replace vertical ducts and large machinery rooms to maintain building air temperature with lower HVAC energy and space use.

A removable cabinet heater uses bracketed mounting, plug-in power, infrared heating, and a fan to simplify installation and improve air circulation.

An oval tube section and open reflector spread radiant heat more evenly to the floor in low-ceiling poultry houses, reducing hot spots.

Residual heat from an infrared radiant tube is recovered through a heat exchanger to heat a second building or tap water with lower exhaust losses.

Startup heat-load selection and delayed blower activation cut cold air bursts and help the heating system reach target temperature faster.

A diffuser splits airflow between the burner bank and manifold to fit tight HVAC spaces while improving combustion and lowering carbon monoxide.