BASC Search | Building America Solution Center

Right – The pipes on this heat pump water heater are carefully insulated.

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This Heat Pump Water Heater is Sitting on an Insulation Pad to Reduces Heat Losses

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Right: This heat pump water heater is installed in a garage next to the furnace where there is a lot of space for accessing the unit, and for intake and exhaust; a foam pad insulates the base; the condensate line is correctly drained and pipe insulation

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Right: This heat pump water heater is installed in a small space so the, intake air is ducted from an adjacent room; the water heater since on a pad of foam insulation and has a good drain line configuration but the waterpipes lack insulation

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This Heat Pump Water Heater has Pipe insulation installed on the hot water line (on left) and on the cold water line (on right)

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Pipe insulation helps retain heat in the pipes which provide hot water from the air-to-water heat pump for domestic hot water and space heating.

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GreenCraft Greenspoint House Prototype

Case Study

Case study describing a building project in the mixed-humid climate zone.

DOE ZERH HIA 2017 Case Study: Thrive Home Builders, Courtyard Rows, Lone Tree, CO

Case Study

Case study describing a DOE Zero Energy Ready Home 2017 Housing Innovation Award winner that scored HERS 41 without PV and 8 with PV.

Struever Bros. Eccles & Rouse: Mixed, Humid Climate Region 40+% Energy Savings

Case Study

Case study describing a building project in the mixed-humid climate zone.

New Whole-House Solutions Case Study: Heritage Buildings, Inc., and Energy Smart Home Plans, Leland, North Carolina

Case Study

Case study describing a new construction project in North Carolina.

New Whole-House Solutions Case Study: Paragon Homes: Mixed, Humid Climate Region 40+% Energy Savings

Case Study

Case study describing a building project in the mixed-humid climate zone.

New Whole-House Solutions Case Study: Lancaster Live/Work Townhome Prototype

Case Study

Case study describing a building project in the marine climate.

New Whole-House Solutions Case Study: Tommy Williams Homes: Longleaf Village & Belmont, Gainesville, FL

Case Study

Case study describing a production builder that achieves HERS scores of 60, compared to 85 for other builders that build new homes to Florida code.

Existing Whole-House Solutions Case Study: Habitat for Humanity of Palm Beach County, Lake Worth, Florida

Case Study

Case study describing an energy efficient retrofit project in hot-humid climates.

Transformations, Inc.: Partnering To Build Net-Zero Energy Houses in Massachusetts

Reference

Report about partnership to build three communities of net zero houses.

Whole-House Design and Commissioning in the Project Home Again Hot-Humid New Construction Community

Reference

Report describing work conducted by the Building Science Corporation (BSC) Building America Research Teams Energy Efficient Housing Research Partnerships project.

Bay Ridge Gardens - Mixed Humid Affordable Multifamily Housing Deep Energy Retrofit

Reference

Report summarizing commissioning, short-term testing, utility bill data analysis, and results of on-site monitoring of a deep energy retrofit.

Heat Pump Water Heaters for Single-Family Homes

Guide

Guide describing the planning and installation process for Heat Pump Water Heaters (HPWHs) in single-family homes, including model selection, installation location, thermal resource adequacy, and condensate removal.

Distributed Heat Pump Water Heaters for Multifamily Buildings

Guide

Guide describing strategies for effectively deploying integrated consumer heat pump water heaters (HPWH) in multifamily buildings.

Central Heat Pump Water Heaters for Multifamily Buildings

Guide

Guide providing an overview of central heat pump water heater installations in multifamily buildings.