Remote HVAC Testing for Dormant Component Failure Prevention

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Solution Overview

Problem

HVAC systems often experience failures at the beginning of heating or cooling seasons, leading to increased demand for repairs and unnecessary maintenance visits, resulting in higher costs for both service providers and owners.

Innovation Solution

A method for remotely testing HVAC systems by transmitting test requests to activate dormant components and evaluate their compliance with predetermined parameters, allowing for remote maintenance scheduling and reducing unnecessary visits.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If HVAC systems are operated until failure occurs, then equipment can be used continuously, but repair costs increase and service demand peaks during critical periods

Engineering Contradiction:
ImproveHVAC system availabilityVSAvoidtime to repair
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The system performs preliminary testing of HVAC equipment before failures occur by remotely activating dormant components and evaluating their compliance with predetermined parameters. This proactive approach identifies potential failures before they happen, allowing maintenance to be scheduled at convenient times rather than during critical peak periods when systems are most needed.

Inventive Principle:
Principle #10Preliminary action

2Reliability

If service providers conduct annual maintenance visits to all contracted systems, then all systems receive attention, but unnecessary visits increase service costs

Engineering Contradiction:
ImproveHVAC system maintenanceVSAvoidservice provider resources
Core Design Contradiction:
ReliabilityVSLoss of energy

Solution Approach 1:

The HVAC system performs self-testing of its components by remotely receiving test requests and automatically evaluating its dormant components against predetermined parameters. The system generates and transmits test results, enabling service providers to identify which systems actually need maintenance without conducting unnecessary visits to all contracted systems.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system provides feedback about HVAC system status by transmitting test results to service providers. This feedback mechanism allows service providers to make informed decisions about which systems require maintenance visits, optimizing resource allocation and reducing unnecessary travel and service costs.

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS8332178B2Remote testing of HVAC systems
Publication Date: 2012.12.11 RESIDEO LLC
  • US8332178B2 patent drawing
  • US8332178B2 patent drawing
  • US8332178B2 patent drawing

AI summary

A number of methods for testing an HVAC system for a building structure from a remote location outside of the building structure are disclosed. Generally, the HVAC system has a primarily active component and a primarily dormant component. The method includes the steps of transmitting a test request to the HVAC system from the remote location, performing a test on the primarily dormant component of the HVAC system in response to the test request, and producing a test result. The test result can then be transmitted to a location outside of the building structure.