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Image:

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

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
Image:

Right: This heat pump water heater is installed in a utility closet where it can use heat from the clothes washer and heat pump clothes dryer and has access to a floor drain for condensate

Right: This heat pump water heater is installed in a utility closet where it can use heat from the clothes washer and heat pump clothes dryer and has access to a floor drain for condensate
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Rigid foam and caulk are used to seal each joist bay cavity

Rigid foam and caulk are used to seal each joist bay cavity
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Rigid foam insulation and a thin slab were installed over the dirt and gravel of this sealed crawlspace

Rigid foam insulation and a thin slab were installed over the dirt and gravel of this sealed crawlspace
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Roofing material and slope

Roofing material and slope
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Rooftop portion of thermosiphon solar hot water system

Rooftop portion of thermosiphon solar hot water system
Image:

Sealed blocking

Sealed blocking
Video:

Securing your water heater

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Select flooring appropriate for wet areas

Select flooring appropriate for wet areas
Case Study:

Sitka Apartments Wastewater Heat Pump Measurement and Verification

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Size comparison between two 50-gallon water heaters: a traditional electric-resistance-only water heater on the left and a heat pump water heater on the right

Size comparison between two 50-gallon water heaters: a traditional electric-resistance-only water heater on the left and a heat pump water heater on the right
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Solar bypass plumbing detail

Solar bypass plumbing detail
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Spray foam at band

Spray foam at band
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Spray foam insulation air-seals and insulates the floor above the garage; the joist will be filled with fibrous insulation in this flash-and-batt approach.

Spray foam insulation air-seals and insulates the floor above the garage; the joist will be filled with fibrous insulation in this flash-and-batt approach.
Video:

STD336 - Disaster-Resistant Wood Frame Construction - Part 2: Wall and Floor Design

Case Study:

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

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Subfloor as air barrier

Subfloor as air barrier
Video:

Tankless Water Heater

Case Study:

Technology Solutions Case Study: Advanced Controls Improve Performance of Combination Space and Water Heating Systems, Minneapolis, Minnesota

Case Study:

Technology Solutions Case Study: Advanced Controls Improve Performance of Combination Space- and Water-Heating Systems

Case Study:

Technology Solutions Case Study: Field Performance of Heat Pump Water Heaters in the Northeast, Massachusetts and Rhode Island

Case Study:

Technology Solutions Case Study: Heat Pump Water Heater Retrofit

Case Study:

Technology Solutions Case Study: Performance of a Heat Pump Water Heater in the Hot-Humid Climate, Windermere, Florida

Case Study:

Technology Solutions Case Study: Retrofit Integrated Space and Water Heating - Field Assessment