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Drafty House and High Utility Bills – 1948 Ranch

The home is a 1744 square foot Ranch-style built in 1948. The customer’s initial concerns were that the home was drafty and had high utility bills.
Type of Home: Ranch
Year Built: 1948
Square Feet: 1744
Blower Door Test – Before: 3290
Blower Door Test – After: 1745
CFM Reduction: 1545
Reduction: 47%
Wise Home Energy performed an initial Blower Door Test which showed an airflow of 3290 CFM (Cubic Feet per Minute) of air moving past the blower door.
1948 Ranch Blower Door Test Before.
Wise Home Energy installed Foam to the roof deck, sealed all ductwork, and applied additional air sealing measures.
And here is the result of the Blower Door Test taken after the air-sealing and insulation work was completed. The results show a CFM (Cubic Feet per Minute) of 1745, a reduction 1545 CFM, or 47%.
Results after the blower door test. 1745 CFM.

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