Energy Audit Revisited - One year later we find lower utility bills and a draft free home in Pepperwood Community of Sandy, UT. It was almost one year ago that we did performed an energy audit on a large home on Snowstar Lane in this gated community. This particular 6,000 sq ft home was "leaking at the seams". We found about 3.4 air changes per hour - one of the complaints was the draftiness when the wind was blowing. We also found missing insulation in several wall cavities.
This year set up the blower door again for the first time since the retrofit and the air leakage is down to 1.2 air changes per hour. All of the walls and ceilings are fully insulated and their utility bills are averaging around 30% less than the year before. Proff again that energy audits really work.
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