Covering Cold Air Return Ducts

Unbalanced air flow can increase air leakage from outdoors as well as force.

Covering cold air return ducts.

You will not feel air being blown out of these vents as they are used to force out the cool air in the room to be reheated by the furnace. Modify cold air duct sizes. How to modify cold air return ducts for efficient heating and cooling find and measure all openings. If you cover the return vent in a particular room that room won t get as warm as the others.

A furnace is basically a recirculating air pump. Running a metal cold air return duct between studs requires knowledge of both hvac systems and the components involved in framing. First building codes in many areas require that the cold air return line gets external insulation and therefore you will need to leave a gap for the insulation around the duct return line. In this video michael church will show you how to improve your energy efficiency and furnace filter by air sealing a cold air return.

Air duct cleaning cost. Return vents are usually larger than heat registers and can generally be found close to the ground or in the floor in older homes or on a wall close to a ceiling in newer homes. An air return vent is part of the hvac system. First locate your system s return and supply ducts.