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|a Barriers to Broader Utilization of Fault Detection Technologies for Improving Residential HVAC Equipment Efficiency
|h [electronic resource]
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|a Washington, D.C. :
|b United States. Department of Energy. Office of Energy Efficiency and Renewable Energy ;
|a Oak Ridge, Tenn. :
|b Distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,
|c 2022.
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| 300 |
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|a Size: 482 KB :
|b digital, PDF file.
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|a text
|b txt
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|a Published through Scitech Connect.
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|a 04/05/2022.
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|a Winkler, Jon (ORCID:0000000217695414); Munk, Jeff (ORCID:0000000185552573); Hunt, Walt;
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|a Faults in residential heating, ventilating, and air conditioning (HVAC) equipment may occur due to poor installation practices or develop over time, and these faults can negatively impact system efficiency, thermal comfort, and equipment lifespan. Automated fault detection and diagnostic (AFDD) technologies identify energy wasting HVAC faults, such as low indoor airflow and improper refrigerant charge, and guide technicians in improving system efficiency. For residential HVAC, AFDD consists of a range of fault detecting and diagnostic capabilities, sensor configurations, and target applications. AFDD technology can either be permanently installed by the original equipment manufacturer (OEM) using embedded sensors or as an add-on product either during or after installation. Additionally, several advanced installation tools and refrigerant gauge sets include AFDD features for temporary use during equipment installation and tune-ups. Some technologies can detect a fault but have limited diagnostic capabilities. For example, a single-point measurement from the home's thermostat or energy monitor can provide certain fault detection capability by analyzing the equipment runtime or energy consumption. These technologies, though limited at determining the cause of a given fault, may have significant energy savings potential due to their low cost and prevalence in the residential HVAC market. Despite the potential benefits, fault detection technologies face many technical and market barriers preventing broad adoption. Beyond the cost barriers due to the added sensor requirements and technology development, fault detection technologies face many implementation and adoption barriers such as installer training, customer awareness, standardized communication protocols, and methods of test for evaluating accuracy. The purpose of this whitepaper is to characterize market and technical barriers impeding broader utilization of fault detection technology for residential HVAC energy efficiency applications.
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|b AC36-08GO28308.
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|a Energy conservation, consumption, and utilization
|2 local.
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|a Air conditioner
|2 local.
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|a Detection
|2 local.
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|a Diagnostics
|2 local.
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| 650 |
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|a Fault
|2 local.
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|a Heat pump
|2 local.
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| 650 |
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|a Residential
|2 local.
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|a National Renewable Energy Laboratory (U.S.).
|4 res.
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|a United States. Department of Energy. Office of Energy Efficiency and Renewable Energy.
|4 spn.
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1 |
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|a United States.
|b Department of Energy.
|b Office of Scientific and Technical Information
|4 dst.
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|u https://www.osti.gov/servlets/purl/1862663
|z Full Text (via OSTI)
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|b 04-29-22
|c 04-29-22
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