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This packaged central heat pump water heating system has the heat pumps on the exterior of the blue enclosure, and the storage tanks, temperature maintenance equipment, mixing valve, and control modules on the inside

This packaged central heat pump water heating system has the heat pumps on the exterior of the blue enclosure, and the storage tanks, temperature maintenance equipment, mixing valve, and control modules on the inside
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This plot shows a heat pump’s minimum and maximum cooling capacities overlaid with a home’s cooling load line, allowing a designer to assess how well-suited the equipment is for the specific home.

This plot shows a heat pump’s minimum and maximum cooling capacities overlaid with a home’s cooling load line, allowing a designer to assess how well-suited the equipment is for the specific home.
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This plot shows a heat pump’s minimum and maximum heating capacities overlaid with a home’s heating load line as well as the annual heating load hours for the home, allowing a designer to assess how well-suited the equipment is for the specific home.

This plot shows a heat pump’s minimum and maximum heating capacities overlaid with a home’s heating load line as well as the annual heating load hours for the home, allowing a designer to assess how well-suited the equipment is for the specific home.
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This plot shows a heat pump’s minimum and maximum heating capacities overlaid with a home’s heating load line, allowing a designer to assess how well-suited the equipment is for the specific home.

This plot shows a heat pump’s minimum and maximum heating capacities overlaid with a home’s heating load line, allowing a designer to assess how well-suited the equipment is for the specific home.
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This plot shows a heat pump’s minimum and maximum heating capacities overlaid with a home’s heating load line, allowing a designer to assess how well-suited the equipment is for the specific home.

This plot shows a heat pump’s minimum and maximum heating capacities overlaid with a home’s heating load line, allowing a designer to assess how well-suited the equipment is for the specific home.
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This retrofit central heat pump water heater system utilizes the existing water heater as a swing tank to provide temperature maintenance for the hot water circulation loop

This retrofit central heat pump water heater system utilizes the existing water heater as a swing tank to provide temperature maintenance for the hot water circulation loop
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This return grille is located in a central hallway in the home and stale air is pulled through this grille and the air filter located behind it to return to the HVAC system for heating or cooling.

This return grille is located in a central hallway in the home and stale air is pulled through this grille and the air filter located behind it to return to the HVAC system for heating or cooling.
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This return inlet has been covered and sealed in preparation for a duct leakage test at rough-in.

This return inlet has been covered and sealed in preparation for a duct leakage test at rough-in.
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This simple awning keeps rain, snow, and leaves from collecting on the HVAC unit; however, the awning should be higher above the heat pump and there should be metal L flashing and a gap separating the wood siding from the roofing material.

This simple awning keeps rain, snow, and leaves from collecting on the HVAC unit; however, the awning should be higher above the heat pump and there should be metal L flashing and a gap separating the wood siding from the roofing material.
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This single-zone mini-split ductless heat pump has only one indoor wall-mounted unit and one outdoor unit.

This single-zone mini-split ductless heat pump has only one indoor wall-mounted unit and one outdoor unit.
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This supply outlet is covered and sealed prior to a duct leakage test at final.

This supply outlet is covered and sealed prior to a duct leakage test at final.
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This traditional centrally ducted heat pump heats and cools the entire home through a network of ducts.

This traditional centrally ducted heat pump heats and cools the entire home through a network of ducts.
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This typical dropped ceiling hallway chase shows a complicated air sealing scheme where chase ceiling drywall meets sidewall top plates

This typical dropped ceiling hallway chase shows a complicated air sealing scheme where chase ceiling drywall meets sidewall top plates
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This upflow air handler for a traditional heat pump has an electric resistance auxiliary heating element located at the top of the unit (circled in red).

This upflow air handler for a traditional heat pump has an electric resistance auxiliary heating element located at the top of the unit (circled in red).
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This utility room houses a high-efficiency gas boiler to provide hot water for the radiant floor heating system and faucets. It also has a central air source heat pump and an energy recovery ventilator.

This utility room houses a high-efficiency gas boiler to provide hot water for the radiant floor heating system and faucets. It also has a central air source heat pump and an energy recovery ventilator.
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This wall-hung ductless indoor mini-split heat pump contains a fan, filter, and heating/cooling coil just like a traditional central air handler for a ducted heat pump system

This wall-hung ductless indoor mini-split heat pump contains a fan, filter, and heating/cooling coil just like a traditional central air handler for a ducted heat pump system
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This wall-mounted evaporative cooler is easy to access for maintenance

This wall-mounted evaporative cooler is easy to access for maintenance
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This wall-mounted high-efficiency condensing gas tankless water heater has PVC vent pipes and insulated water pipes

This wall-mounted high-efficiency condensing gas tankless water heater has PVC vent pipes and insulated water pipes
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This water filter from a tankless water heater is very clogged with debris.

This water filter from a tankless water heater is very clogged with debris
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This water heater drain valve is operated by hand.

This water heater drain valve is operated by hand.
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This water heater drain valve is operated using a flat-head screwdriver.

This water heater drain valve is operated using a flat-head screwdriver.
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This water heater has the temperature settings on a control box attached to the front of the water heater.

This water heater has the temperature settings on a control box attached to the front of the water heater.
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This water heater is hidden behind stored items in the basement.

This water heater is hidden behind stored items in the basement.
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To adjust this water heater’s temperature, turn the dial to 120°F with a flathead screwdriver.

To adjust this water heater’s temperature, turn the dial to 120°F with a flathead screwdriver.