What can cause an air flow restriction in your air-conditioning or heating system? The most common reason is a dirty or clogged air filter. The next most common reason is aging air duct work and or lack of knowledge. For example: air duct dampers are installed in the...
The attached picture is of flex duct piping for a central heating and cooling system installed 25 years ago. As you can see the insulation that is to insure the heated or cooled air arrives efficiently to the room or rooms it is to heat or cool has lost it's ability...
