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Furnaces, boilers, and water heaters located within the home’s pressure boundary are mechanically drafted or direct-vented

Furnaces, boilers, and water heaters located within the home’s pressure boundary are mechanically drafted or direct-vented
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Gas-fired condensing boiler is installed as a direct vent appliance

Gas-fired condensing boiler is installed as a direct vent appliance
Case Study:

GreenCraft Builders 2009 TimberCreek Net Zero Energy House Prototype

Case Study:

GreenCraft Greenspoint House Prototype

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Ground-source heat pump diagram

Ground-source heat pump diagram
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Hand tools for cutting fiber board sheets include a knife, straight edge, and color-coded edge-cutting tools

Hand tools for cutting fiber board sheets include a knife, straight edge, and color-coded edge-cutting tools
Video:

Heat Recovery Ventilator (HRV)

Case Study:

High Performance Builder Spotlight: Baldwin Homes Inc.

Case Study:

High Performance Builder Spotlight: Cobblestone Homes

Case Study:

High Performance Builder Spotlight: Tommy Williams Homes

Presentation:

High Performance HVAC: Low-Load and Plug-n-Play HVAC Systems

High Performance HVAC: Low-Load and Plug-n-Play HVAC Systems
Case Study:

High Ridge Custom Homes: Mixed, Humid Climate Region

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High-Efficiency Gas Furnace

High-Efficiency Gas Furnace
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Hood capture area that extends out from under the soffit surface must be temporarily sealed.

Hood capture area that extends out from under the soffit surface must be temporarily sealed.
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If HVAC duct must be installed in an exterior wall, separate it from the exterior with at least R-6 of continuous rigid insulation

If HVAC duct must be installed in an exterior wall, separate it from the exterior with at least R-6 of continuous rigid insulation
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If integrating an ERV/HRV with the heating/cooling duct system, add dedicated ducts for either the supply or return side to prevent short-circuiting of air distribution

If integrating an ERV/HRV with the heating/cooling duct system, add dedicated ducts for either the supply or return side to prevent short-circuiting of air distribution
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If wall registers are desired, install HVAC ducts in interior wall cavities

If wall registers are desired, install HVAC ducts in interior wall cavities
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In a Category I gas-fired, natural-draft boiler, the natural draft of the heated flue pulls combustion air through the draft hood into the combustion chamber

In a Category I gas-fired, natural-draft boiler, the natural draft of the heated flue pulls combustion air through the draft hood into the combustion chamber
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In a typical old style multi-inlet evaporative cooler, the blower fan draws outside air in through multiple media filters and blows it into the home

In a typical old style multi-inlet evaporative cooler, the blower fan draws outside air in through multiple media filters and blows it into the home
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In heating mode, split system heat pumps absorb heat from the outside air and “pump” that heat to the indoor air handler unit, which releases it to the inside air.

In heating mode, split system heat pumps absorb heat from the outside air and “pump” that heat to the indoor air handler unit, which releases it to the inside air.
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In this dwelling unit ventilation configuration, a forced air system provides outside air at the same rate as the air being exhausted from the bathroom fan; local kitchen exhaust is provided by a range hood with a dedicated makeup air intake

In this dwelling unit ventilation configuration, a forced air system provides outside air at the same rate as the air being exhausted from the bathroom fan; local kitchen exhaust is provided by a range hood with a dedicated makeup air intake
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In this ventilation configuration, an air handler provides outside air at the same rate as the air being exhausted from a bathroom fan; local kitchen exhaust has a dedicated makeup air intake; dehumidification is provided separately

In this ventilation configuration, an air handler provides outside air at the same rate as the air being exhausted from a bathroom fan; local kitchen exhaust has a dedicated makeup air intake; dehumidification is provided separately
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Indirect evaporative cooler diagram

Indirect evaporative cooler diagram
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Indirect/direct evaporative cooler blower diagram

Indirect/direct evaporative cooler blower diagram