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Project Info COMPLETE Project Title

Best Practices Guide: Residential Variable Capacity Heat Pumps

Project Number ET14PGE8761_4 Organization PG&E End-use HVAC Sector Residential Project Year(s) 2017 - 2023
Description

Abstract:

This Best Practices Guide provides designers and installers of variable capacity heat pumps (VCHPs) generic information to ease the selection and installation of this equipment and improve performance and comfort. The content is derived from five years of VCHP evaluations completed at three test homes in Stockton, CA.

These evaluations at the Central Valley Research Home (CVRH) test homes, sponsored by Pacific Gas and Electric and Southern California Edison, have explored many aspects of VCHP performance, including the impacts of sizing, refrigerant charge, and delivery method selection and design.

Though the typical HVAC contractor has many years of experience installing single speed or multistage centrally ducted systems, few contractors have extensive experience with VCHP units, which are inherently different. This Best Practices Guide reduces the learning curve for the installers so that the full value of the technology can be utilized.

Keyword Search:

Best practices, guide, heat pumps, variable capacity, VCHP, mini-split, minisplit, MSHP, equipment, design, installation, sizing, selection, planning, refrigerant, refrigerant charge, COP, performance, comfort, ACCA, Manual J, Manual RS, Manual D, homeowner, education, training, quality, verification, commissioning, retrofit, new construction, CVRH, central valley research homes, Mayfair, Grange, Caleb

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The ETCC is funded in part by ratepayer dollars and the California IOU Emerging Technologies Program, the IOU Codes & Standards Planning & Coordination Subprograms, and the Demand Response Emerging Technologies (DRET) Collaborative programs under the auspices of the California Public Utilities Commission. The municipal portion of this program is funded and administered by Sacramento Municipal Utility District and Los Angeles Department of Water and Power.