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Cold 2nd Floor and Dying Furnace – 1968 Split-Level

The home is a 2446 square foot Split-level home built in 1968. The customer’s initial concerns were that the second floor is colder and the gas furnace was “on its last legs.”
Type of Home: Split Level
Year Built: 1968
Square Feet: 2446
Blower Door Test – Before: 2802
Blower Door Test – After: 1595
CFM Reduction: 1207
Reduction: 43%
Wise Home Energy performed an initial Blower Door Test which showed an airflow of 2446 CFM (Cubic Feet per Minute) of air moving past the blower door.
1968 Split-level blower door test before.
Wise Home Energy performed the following services on the home:

  • Installed whole attic insulation
  • Insalled air sealing
  • Installed rimjoist insulation
  • Installed Air Source heat pump
Air Source Heat Pump Installation
And here is the result of the Blower Door Test taken after the air-sealing, insulation, and heat pump installation. The results show a CFM (Cubic Feet per Minute) of 1595, a reduction of 1207 CFM or 43%. Another satisfied customer
1968 Split level blower door test after.

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