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Image:

The condensate line (amber-colored plastic tube) from the high-efficiency furnace drains into the sewer via the same drain pipe as the clothes washer

The condensate line (amber-colored plastic tube) from the high-efficiency furnace drains into the sewer via the same drain pipe as the clothes washer
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The dark streaks seen in this infrared camera image of a return vent in a ceiling indicate cooler air is leaking in around the vent.

The dark streaks seen in this infrared camera image of a return vent in a ceiling indicate cooler air is leaking in around the vent.
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The drain pans sit below the cooling coil to catch condensate and direct it to a drain line

The drain pans sit below the cooling coil to catch condensate and direct it to a drain line
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The drain pipe should include a trap and a clean-out with a removable cap

The drain pipe should include a trap and a clean-out with a removable cap
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The duct tester and blower door are set up to measure leakage to the outdoors

The duct tester and blower door are set up to measure leakage to the outdoors
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The ductless air handler of a ductless heat pump can be mounted above the ceiling so that only the register is visible

The ductless air handler of a ductless heat pump can be mounted above the ceiling so that only the register is visible
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The EnergyGuide label for this refrigerator shows that it is estimated to use 630 kWh/yr (approximately 1.7 kWh per day) based on a standard test procedure

The EnergyGuide label for this refrigerator shows that it is estimated to use 630 kWh/yr (approximately 1.7 kWh per day) based on a standard test procedure
Image:

The filter access panel on this vertical upflow air handler is located between the return ductwork below and the coils above.

The filter access panel on this vertical upflow air handler is located between the return ductwork below and the coils above.
Presentation:

The Future of Housing with Certainty and What it Means to High Performance

The Future of Housing with Certainty and What it Means to High Performance
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The gap between the duct boot and the drywall is air sealed by covering the seam with fiberglass mesh tape and mastic.

The gap between the duct boot and the drywall is air sealed by covering the seam with fiberglass mesh tape and mastic.
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The gaps around this duct boot are sealed with canned spray foam.

The gaps around this duct boot are sealed with canned spray foam.
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The gaps between the sheet metal of the duct boot and the drywall are clearly visible in this image.

The gaps between the sheet metal of the duct boot and the drywall are clearly visible in this image.
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The grille in the photo on the left brings air into a return air plenum under an air handler platform. As shown in the infrared image on the right, the plenum is not air sealed so hot attic air is being pulled into the air handler closet.

The grille in the photo on the left brings air into a return air plenum under an air handler platform. As shown in the infrared image on the right, the plenum is not air sealed so hot attic air is being pulled into the air handler closet.
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The grooves and ridges within flexible ducts can collect dust and dirt

The grooves and ridges within flexible ducts can collect dust and dirt
Case Study:

The Habitat for Humanity of Metro Denver Zero Energy Demonstration Home

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The high-efficiency air-to-air heat pump is set in an overflow pan with an emergency shut off sensor in case the condensate tube were to clog and cause condensate to fill up the pan.

The high-efficiency air-to-air heat pump is set in an overflow pan with an emergency shut off sensor in case the condensate tube were to clog and cause condensate to fill up the pan.
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The hole in the drywall was cut overly large for this heating register, allowing air to leak into or out of the wall cavities.

The hole in the drywall was cut overly large for this heating register, allowing air to leak into or out of the wall cavities.
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The HVAC equipment's condensate drain pan is equipped with a water-level detection device that will shut off the equipment if the water level pan in the pan gets too high

The HVAC equipment's condensate drain pan is equipped with a water-level detection device that will shut off the equipment if the water level pan in the pan gets too high
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The inside refrigerant line leading from the air conditioner or heat pump to the wall should be covered with pipe insulation and a vapor barrier to reduce condensation potential and improve system efficiency.

The inside refrigerant line leading from the air conditioner or heat pump to the wall should be covered with pipe insulation and a vapor barrier to reduce condensation potential and improve system efficiency.
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The lint filter on a heat pump dryer should be deep cleaned every 30 to 40 cycles by rinsing under warm water and scrubbing with a soft brush to remove lint and fabric softener residue.

The lint filter on a heat pump dryer should be deep cleaned every 30 to 40 cycles by rinsing under warm water and scrubbing with a soft brush to remove lint and fabric softener residue.
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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 natural draft and induced draft furnace are both Category I appliances that receive combustion air from the combustion appliance zone

The natural draft and induced draft furnace are both Category I appliances that receive combustion air from the combustion appliance zone
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The NEEP Cold Climate Air Source Heat Pump List allows users to search, sort, and filter for cold climate heat pumps by brand, model, product type, and ducting configuration; an advanced search provides helpful resources for sizing to the heating load

The NEEP Cold Climate Air Source Heat Pump List allows users to search, sort, and filter for cold climate heat pumps by brand, model, product type, and ducting configuration; an advanced search provides helpful resources for sizing to the heating load
Case Study:

The New American Home 2011 Orlando, Florida