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Image:

Flowhood is sealed against the irregular surface using pipe insulation along the edge of the hood to complete an airtight seal around the terminal.

Flowhood is sealed against the irregular surface using pipe insulation along the edge of the hood to complete an airtight seal around the terminal.
Image:

For fireplaces that are not mechanically drafted or direct-vented to outdoors, total net rated exhaust flow of the two largest exhaust fans is .15 CFM per 100 sq. ft. of occupiable space when at full capacity

For fireplaces that are not mechanically drafted or direct-vented to outdoors, total net rated exhaust flow of the two largest exhaust fans is .15 CFM per 100 sq. ft. of occupiable space when at full capacity
CAD File:

Front view of horizontal air handler showing condensate drain pans and drain lines

Preview Image
Front view of horizontal air handler showing condensate drain pans and drain lines
CAD File:

Front view of horizontal air handler showing condensate drain pans, pipes, and controls

Preview Image
Front view of horizontal air handler showing condensate drain pans, pipes, and controls
CAD File:

Front view of horizontal air handler showing outdoor air intake, dampers, supply and return, and condensate drain pans, drain pipe and trap, and drain overflow safety cut off switch

Preview Image
Front view of horizontal air handler showing outdoor air intake, dampers, supply and return, and condensate drain pans, drain pipe and trap, and drain overflow safety cut off switch
CAD File:

Front view of horizontal air handler showing outdoor air intake, dampers, supply and return, emergency drain pan, and drain overflow safety cut off switch

Preview Image
Front view of horizontal air handler showing outdoor air intake, dampers, supply and return, emergency drain pan, and drain overflow safety cut off switch
CAD File:

Front view of vertical air handler condensate disposal and controls

Preview Image
Front view of vertical air handler condensate disposal and controls
Image:

Function of controls is not obvious

Function of controls is not obvious
Image:

Function of ventilation controls is obvious (e.g., bathroom exhaust fan) or, if not, controls have been labeled

Function of ventilation controls is obvious (e.g., bathroom exhaust fan) or, if not, controls have been labeled
Image:

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
Image:

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

Image:

Ground-source heat pump diagram

Ground-source heat pump diagram
Image:

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)

Image:

Heated air flow is produced when the heating cycle is energized (set thermostat to “heat”)

Heated air flow is produced when the heating cycle is energized (set thermostat to “heat”)
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

Image:

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.