This upgrade from a traditional energy audit includes items in the blower door audit. Plus

Building Insulation

  1. Infrared Imaging
  2. Test if insulation voids exist prior to installation

  3. Before and After air infiltration number testing using blower door
  4. (to see if installing mechanical ventilation should be installed)

  5. Combustion appliance Zone (CAZ) safety testing.

After tightening your house, Air may change the way it behaves. Before and after testing checks if your furnace, hot water heater or boiler is

producing an appropriate level of carbon monoxide in the flue.

Spilling or backdrafting gases into the house.

See list of comprehensive energy audit services and prices here.