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This Kalamazoo Habitat for Humanity affiliate installs one layer of foam exterior of the studs and a second layer in between the staggered studs which are set only 2 inches apart to simplify the installation of additional fiberglass batt insulation.

This Kalamazoo Habitat for Humanity affiliate installs one layer of foam exterior of the studs and a second layer in between the staggered studs which are set only 2 inches apart to simplify the installation of additional fiberglass batt insulation.
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This kneewall has no top plate and the resulting gap provides a wide-open pathway for air and vapor to travel between the living space and the attic

This kneewall has no top plate and the resulting gap provides a wide-open pathway for air and vapor to travel between the living space and the attic
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This mechanical room contains both the storage tanks (right) and heat pumps (left) of a central heat pump water heating system

This mechanical room contains both the storage tanks (right) and heat pumps (left) of a central heat pump water heating system
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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 parapet wall has metal blocking and spray foam in the wall at the level of the roof insulation; this limits airflow within or through the wall cavity.

This parapet wall has metal blocking and spray foam in the wall at the level of the roof insulation; this limits airflow within or through the wall cavity.
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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 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-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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This wood-framed wall is connected with framing anchors, metal strapping and ties, and anchor bolts to secure the roof to the walls and walls to the foundation

This wood-framed wall is connected with framing anchors, metal strapping and ties, and anchor bolts to secure the roof to the walls and walls to the foundation
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Three common ICF wall systems: the flat wall, the waffle wall, and the post-and-beam wall

Three common ICF wall systems: the flat wall, the waffle wall, and the post-and-beam wall
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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.
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To adjust this water heater’s temperature, turn the knob on the controller; refer to the owner’s manual to determine what setting corresponds to 120°F.

To adjust this water heater’s temperature, turn the knob on the controller; refer to the owner’s manual to determine what setting corresponds to 120°F.
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To close the valve on the cold water inlet, turn it so the lever is perpendicular to the pipe.

To close the valve on the cold water inlet, turn it so the lever is perpendicular to the pipe.
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To keep chase width to a minimum, use flat sheet metal as opposed to a collar and flex duct for supplies into rooms where the chase is located

To keep chase width to a minimum, use flat sheet metal as opposed to a collar and flex duct for supplies into rooms where the chase is located
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To move a water heater off a platform, wrap one end of a ratchet strap around the top of a hand truck and the other end to the water heater drain valve, tighten the strap, tip the water heater, and when the tank clear the platform, tighten the strap.

To move a water heater off a platform, wrap one end of a ratchet strap around the top of a hand truck and the other end to the water heater drain valve, tighten the strap, tip the water heater, and when the tank clear the platform, tighten the strap.
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To move a water heater, you can use two pieces of PVC or ABS pipe to roll it or a hoisting net lift to lift and carry it.

To move a water heater, you can use two pieces of PVC or ABS pipe to roll it or a hoisting net lift to lift and carry it.
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To test the water heater’s temperature, draw hot water from a faucet near the water heater for three minutes, then fill a mug with hot water from the tap and check the temperature with a meat thermometer.

To test the water heater’s temperature, draw hot water from a faucet near the water heater for three minutes, then fill a mug with hot water from the tap and check the temperature with a meat thermometer.
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Traditional and advanced framing of windows and doors

Traditional and advanced framing of windows and doors
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Truss wall with cellulose insulation

Truss wall with cellulose insulation