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Case Study:

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

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

Case Study:

Technology Solutions Case Study: Zero Energy Ready Home and the Challenge of Hot Water on Demand

Image:

The cool exhaust air from this heat pump water heater is ducted out of the room, inducing warmer intake air to enter through a wall grille

The cool exhaust air from this heat pump water heater is ducted out of the room, inducing warmer intake air to enter through a wall grille
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The discharge pipe on this water heater’s temperature and pressure (T&P) relief valve is made of CPVC pipe.

The discharge pipe on this water heater’s temperature and pressure (T&P) relief valve is made of CPVC pipe.
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The drain valves on these water heaters are located near the bottom of the tanks.

The drain valves on these water heaters are located near the bottom of the tanks.
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The Energy Guide label on this heat pump water heater shows a first hour rating of 60 gallons; the low Estimated Yearly Energy Cost of $121 reflects the HPWH’s high Uniform Energy Factor (UEF) of (not shown on label)

The Energy Guide label on this heat pump water heater shows a first hour rating of 60 gallons; the low Estimated Yearly Energy Cost of $121 reflects the HPWH’s high Uniform Energy Factor (UEF) of (not shown on label)
Case Study:

The Habitat for Humanity of Metro Denver Zero Energy Demonstration Home

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The heat pump water heater provides efficient hot water.

The heat pump water heater provides efficient hot water.
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The heat pump water heater’s evaporator fan provides enough air movement for active ventilation of a small room when the exhaust is ducted; intake air enters passively through a wall grille

The heat pump water heater’s evaporator fan provides enough air movement for active ventilation of a small room when the exhaust is ducted; intake air enters passively through a wall grille
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The home integrates roof-mounted solar hot water panels with an air-to-water heat pump; both sources feed into an 80-gallon stainless steel tank.

The home integrates roof-mounted solar hot water panels with an air-to-water heat pump; both sources feed into an 80-gallon stainless steel tank.
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The home’s solar water heating system includes two 30-tube evacuated tube panels and a 120-gallon storage tank with electric back up.

The home’s solar water heating system includes two 30-tube evacuated tube panels and a 120-gallon storage tank with electric back up.
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The hot water pipe on this heat pump water heater has been insulated with pipe insulation.

The hot water pipe on this heat pump water heater has been insulated with pipe insulation.
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The hot water recirculation pump is hidden behind the water heater in a closet.

The hot water recirculation pump is hidden behind the water heater in a closet.
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The inlet and outlet water pipe connections are located on top of this electric water heater; note that the hot water line (on the left) has been insulated.

The inlet and outlet water pipe connections are located on top of this electric water heater; note that the hot water line (on the left) has been insulated.
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The mechanical room in the insulated basement houses the water heating equipment, including the storage tank for the solar thermal system and the wall-hung boiler as well as the air handler for the hydro coil and high-efficiency (16 SEER) air conditioner.

The mechanical room in the insulated basement houses the water heating equipment, including the storage tank for the solar thermal system and the wall-hung boiler as well as the air handler for the hydro coil and high-efficiency (16 SEER) air conditioner.
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The small heat pump located on top of the tank on a heat pump water heater extracts heat from the surrounding air to create hot water

The small heat pump located on top of the tank on a heat pump water heater extracts heat from the surrounding air to create hot water
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The solar hot water system with 80-gallon storage tank should provide all the hot water a typical family needs.

The solar hot water system with 80-gallon storage tank should provide all the hot water a typical family needs.