Showing results 1 - 22 of 22
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A ventilation controller with a manual override is located on a central air handler fan that is located in an accessible location
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Calibrated blower door fans are used for envelope leakage testing
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Exhaust fan installed but in wrong direction causing excessive bend and duct is uninsulated
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Rater-measured ventilation rate is within 100-120% of HVAC contractor design value (2.11)
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Right - This ceiling-mounted mini whole-house fan has built-in insulated covers to reduce heat loss when the fan is not in use
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The ventilation controller is next to the thermostat and has a manual override button
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This bath exhaust fan ventilation control can be set by the HVAC technician for continuous operation, delayed shut off, or a set amount of minutes each hour
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This whole house fan is suspended from rafters and connected to the intake grille by a curved insulated duct, greatly reducing vibration and noise in the occupied space
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This whole-house fan is suspended from rafters and connected to the intake grille by a curved acoustic duct, greatly reducing vibration and noise in the occupied space
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Whole house fans draw cool night-time air in through open windows and expel hot house air into the vented attic
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Wrong – Whole house fan installed with holes in surrounding platform that need to be air sealed
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