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Right - A high-efficiency (95 AFUE) wall-hung gas-fired boiler heats water for the hydro-coil space heating system and also provides a back-up for the solar hot water system.

Right - A high-efficiency (95 AFUE) wall-hung gas-fired boiler heats water for the hydro-coil space heating system and also provides a back-up for the solar hot water system.
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Right - A home-run (also called central manifold or parallel piping) system distributes hot water directly from a distribution manifold next to the water heater to each fixture using individual small-diameter PEX pipes.

Right - A home-run (also called central manifold or parallel piping) system distributes hot water directly from a distribution manifold next to the water heater to each fixture using individual small-diameter PEX pipes.
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Right - The geothermal heat pump provides hot water for radiant floor heating, domestic hot water, and the air handler for space conditioning upstairs.

Right - The geothermal heat pump provides hot water for radiant floor heating, domestic hot water, and the air handler for space conditioning upstairs.
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Right - The home’s ground source heat pump preheats water for the air source heat pump water heater.

Right - The home’s ground source heat pump preheats water for the air source heat pump water heater.
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Right - The home’s high-efficiency gas boiler provides domestic hot water as well as in-floor radiant heat, while a high-efficiency heat pump provides cooling and a secondary source of heating.

Right - The home’s high-efficiency gas boiler provides domestic hot water as well as in-floor radiant heat, while a high-efficiency heat pump provides cooling and a secondary source of heating.
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Right - This 80-gallon heat pump water heater is ducted to pull heat from outside air drawn from the south side of the house and to exhaust cooled air outside on the north side of the house to efficiently heat water without impacting room temperatures.

Right - This 80-gallon heat pump water heater is ducted to pull heat from outside air drawn from the south side of the house and to exhaust cooled air outside on the north side of the house to efficiently heat water without impacting room temperatures.
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Right – A ground-source heat pump provides space heating and domestic hot water.

Right – A ground-source heat pump provides space heating and domestic hot water.
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Right – A mat is installed to contain radiant floor loops which distribute hot water from this home’s combi boiler.

Right – A mat is installed to contain radiant floor loops which distribute hot water from this home’s combi boiler.
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Right – An air-to-water heat pump efficiently provides hot water for radiant floor heating.

Right – An air-to-water heat pump efficiently provides hot water for radiant floor heating.
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Right – An air-to-water heat pump provides water and space heating while a heat recovery ventilator provides fresh air that is filtered by the HEPA filter.

Right – An air-to-water heat pump provides water and space heating while a heat recovery ventilator provides fresh air that is filtered by the HEPA filter.
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Right – Drip pans are installed beneath the home’s 55-gallon heat pump water heater desuperheater tank and back up electric tank water heater.

Right – Drip pans are installed beneath the home’s 55-gallon heat pump water heater desuperheater tank and back up electric tank water heater.
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Right – Hot water from this heat pump water heater is distributed efficiently to each hot water use in the home through a central manifold via PEX piping.

Right – Hot water from this heat pump water heater is distributed efficiently to each hot water use in the home through a central manifold via PEX piping.
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Right – PEX piping speeds hot water directly from the water heater to faucets through the attic in this slab-on-grade home.

Right – PEX piping speeds hot water directly from the water heater to faucets through the attic in this slab-on-grade home.
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Right – Possible Heat Pump Water Heater Locations in a Multifamily Building

Right – Possible Heat Pump Water Heater Locations in a Multifamily Building
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Right – Possible Heat Pump Water Heater Locations on a Multifamily Floorplan including an interior corridor, eight apartments, and meeting rooms

Right – Possible Heat Pump Water Heater Locations on a Multifamily Floorplan including an interior corridor, eight apartments, and meeting rooms
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Right – Possible Heat Pump Water Heater Locations on a Multifamily Floorplan including interior corridor closets, under-stair closes, and utility rooms

Right – Possible Heat Pump Water Heater Locations on a Multifamily Floorplan including interior corridor closets, under-stair closes, and utility rooms
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Right – Possible Heat Pump Water Heater Locations on Full Plate Floorplan in a Multifamily Building

Right – Possible Heat Pump Water Heater Locations on Full Plate Floorplan in a Multifamily Building
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Right – The heat pump water heater is equipped with a recirculating pump to push hot water to distant fixtures.

Right – The heat pump water heater is equipped with a recirculating pump to push hot water to distant fixtures.
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Right – The home’s energy management system is installed in a utility closet next to the tankless water heater.

Right – The home’s energy management system is installed in a utility closet next to the tankless water heater.
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Right – The pipes on this heat pump water heater are carefully insulated.

Right – The pipes on this heat pump water heater are carefully insulated.
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Right – This heat pump water heater is equipped with a recirculation pump to speed hot water to distant faucets.

Right – This heat pump water heater is equipped with a recirculation pump to speed hot water to distant faucets.
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Right: dedicated tank connections for HPWH inlet and outlet provide hydraulic separation

Right: dedicated tank connections for HPWH inlet and outlet provide hydraulic separation
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Right: Maintenance valves are installed at the inlet and outlet of this central heat pump water heater

Right: Maintenance valves are installed at the inlet and outlet of this central heat pump water heater
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Right: These central heat pump water heater storage tanks are plumbed in series

Right: These central heat pump water heater storage tanks are plumbed in series