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Showing results 26 - 46 of 46

Description
No outdoor air intakes connected to return side of the HVAC system, unless controls are installed to operate intermittently & automatically based on a timer and to restrict intake when not in use (e.g., motorized damper)
Description
Guide describing how to install a radon mitigation fan with various types of house foundations.
Description
Guide describing options for designing and locating the thermal boundary at either the attic floor or along the roof line in new and existing homes.
Description
Guide describing how to install ventilation air inlets in open locations at a safe distance from potential air contamination sources.
Description
Guide describing the types of whole-house fans, installation details to reduce energy loss, and how to operate them for comfort and energy savings based on climate zone.