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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)

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Hidden sheet metal baffles prevent the transmission of light and sound through the transfer grille

Hidden sheet metal baffles prevent the transmission of light and sound through the transfer grille
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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Horizontal framing is attached to the awning supports, then metal roofing is screwed directly into the framing to provide a roof over the heat pump compressor unit.

Horizontal framing is attached to the awning supports, then metal roofing is screwed directly into the framing to provide a roof over the heat pump compressor unit.
Video:

Hot Spot: Closed Crawlspace - Ventilation

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HVAC equipment should never be exposed to the garage; instead, locate them in air-sealed closets, with weatherstripping, spring-loaded hinges, and mastic.

HVAC equipment should never be exposed to the garage; instead, locate them in air-sealed closets, with weatherstripping, spring-loaded hinges, and mastic.
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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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Indirect evaporative cooler diagram

Indirect evaporative cooler diagram
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Indirect/direct evaporative cooler blower diagram

Indirect/direct evaporative cooler blower diagram
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Indoor measurement of a whole house mechanical ventilation system with a pressure balancing flowhood provides a sheltered location for measuring airflow

Indoor measurement of a whole house mechanical ventilation system with a pressure balancing flowhood provides a sheltered location for measuring airflow
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Insert an electric leaf blower into the dryer exhaust duct and turn on at lowest setting to blow out the duct

Insert an electric leaf blower into the dryer exhaust duct and turn on at lowest setting to blow out the duct
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Install a master vent tree to release air and prevent air binding which blocks steam heat from reaching its destination

Install a master vent tree to release air and prevent air binding which blocks steam heat from reaching its destination