The air leakage test (or “Blower Door Test”) uses a calibrated fan that mounts into the frame of an exterior door to either pressurize or depressurize a home

Loose duct connections or poor sealing results in air loss and air quality issues

our home’s “thermal envelope” refers to the air ventilation and leakage through its floors, walls, ceilings, windows and doors

Your custom HERS Verification Report includes a virtual model of your home and identifies each vulnerability in your home’s HVAC system and its thermal envelope

The 45L tax credit allows a savings of up to $2,000 for dwellings that meet certain energy requirements. The credit is available for new construction or unit rehabilitation on or after August 8, 2005, including low-rise multi-family properties of 3 floors or less, or single-family residence homes.

The 179D tax deduction is an engineering-based tax deduction enacted to help reduce energy consumption in commercial buildings as part of the 2005 Energy Policy Act.