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Video:

Cold-Climate Air Source Heat Pump Install Guide: Part 2 - Indoor Unit

Video:

Cold-Climate Air Source Heat Pump Install Guide: Part 3 - Outdoor Unit

Video:

Cold-Climate Air Source Heat Pump Install Guide: Part 4 - Line Set Covers

Video:

Cold-Climate Air Source Heat Pump Install Guide: Part 5 - Condensate

Video:

Cold-Climate Air Source Heat Pump Install Guide: Part 6 - Line Set

Video:

Cold-Climate Air Source Heat Pump Install Guide: Part 7 - Flares

Video:

Cold-Climate Air Source Heat Pump Install Guide: Part 8 - Pressure Testing

Video:

Cold-Climate Air Source Heat Pump Install Guide: Part 9 - Evacuation

Image:

Collars that are specifically made for flexible duct have a raised bead to prevent the duct from slipping off

Collars that are specifically made for flexible duct have a raised bead to prevent the duct from slipping off
Case Study:

Colleyville Eco House Prototype

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Combined space and water heating system with tankless gas water heater

Combined space and water heating system with tankless gas water heater
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Common exhaust duct not shared by fans in separate dwellings

Common exhaust duct not shared by fans in separate dwellings
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Concept behind an evaporative cooler – warm air is cooled as the air passes through a wet medium and gives up some of its heat to evaporate the water

Concept behind an evaporative cooler – warm air is cooled as the air passes through a wet medium and gives up some of its heat to evaporate the water
Case Study:

Concord Cape Prototype

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Condensate from this heat pump water heater is routed to a nearby floor drain, shared with the condensate lines from a condensing gas furnace and an air conditioning coil

Condensate from this heat pump water heater is routed to a nearby floor drain, shared with the condensate lines from a condensing gas furnace and an air conditioning coil
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Condensation droplets are clearly seen on this uninsulated condensate line from an air conditioner located in a hot humid attic.

Condensation droplets are clearly seen on this uninsulated condensate line from an air conditioner located in a hot humid attic.
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Condensation has dripped onto this board and drywall from an uninsulated condensate line on an air conditioner located just above the photo in this unconditioned attic; the water pooling on the drywall will likely soon become evident from below.

Condensation has dripped onto this board and drywall from an uninsulated condensate line on an air conditioner located just above the photo in this unconditioned attic; the water pooling on the drywall will likely soon become evident from below.
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Condensing boilers have primary and secondary heat exchangers

Condensing boilers have primary and secondary heat exchangers
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Connect the plastic application tunnel from the injection equipment to the supply plenum.

Connect the plastic application tunnel from the injection equipment to the supply plenum.
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Connect the plastic application tunnel to the injection equipment

Connect the plastic application tunnel to the injection equipment
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Connection in place but not sealed

Connection in place but not sealed
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Continuous supply and exhaust fans rated ≤ 1 sone by manufacturer

Continuous supply and exhaust fans rated ≤ 1 sone by manufacturer
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Continuously-operating ventilation & exhaust fans include readily accessible override controls

Continuously-operating ventilation & exhaust fans include readily accessible override controls
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Contractors will inspect the home and test HVAC equipment for safety concerns before air sealing begins.

Contractors will inspect the home and test HVAC equipment for safety concerns before air sealing begins.