A Portion of All AGL Proceeds Support Charitable Causes
Airflow into a space usually through walls and leaks around doors and windows. Insulation: Any material that reduces the speed of heat transfer.
A refrigerant containing a portion of a fan coil unit similar to a car radiator, typically made of several rows of copper tubing with aluminum fins.
Usually located inside the house, it houses the indoor coil, fan, motor and filtering device, sometimes called the air handler.