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Heating,
Ventilation and Air Conditioning (HVAC):
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HVAC system is designed and built to save energy. It also provides
a comfortable living environment (without hot and cold
spots in some rooms). Up to 33% of heat can be lost through duct leakage alone in an average home. Our ducts, pipes and vents are carefully sealed to meet ENERGY STARŪ requirements. (Most electric companies offer a discount on your utility bill for an ENERGY STARŪ home). The goal of our home is to keep the loss at 5% or less. Our Duct Blaster and Blower Door Tests measure this performance (shown on next page). |
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All the duct system is housed in the attic with blown-in cellulose insulation covering it for maximum energy efficiency. It is therefore important to ensure the system is built soundly to avoid future maintenance. |
| All the ducts, pipes and vents are first wrapped in R6 insulation, then tightly sealed with Shurtape DC-181 from Hickory, NC. Shurtape is a lot more effective than duct tape, because duct tape doesn't hold up very well long term. |
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The vents, collars and connecting joints are sealed with mastic sealant to eliminate any air leakage. Mastic Airseal 33 by Polymer Adhesive, contains fiber and elasticity for expansion and contraction. |
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Building partners:
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