Best Air Ducts For Tight Attic Space

A two room addition on the 1st floor has limited attic space and a 4 crawl space.

Best air ducts for tight attic space.

Sometimes the best route for a flexible duct run is up and over an obstruction. But without proper support ducts can develops sags or kinks that reduce airflow 4a 4b. To prevent problems use saddles or straps to support at regular intervals 4c 4d follow the manufacturer s instructions but in case they get lost here is a list of best practices for. The 1 800 square foot brick ranch in climate zone 4 dates from the 1960s but the previous owner installed both a furnace and ductwork in the attic just four years ago.

Obviously this means a lot of ripping and tearing etc. Your options for solving the problem range from moving. They live in a townhome with no attic or basement or crawlspace of any kind. Yes it would be better to have them in conditioned space but it s not terrible to have the erv ducts in the attic.

However i have two questions if i want to centrally air condition my entire house. They have been told that they need to replace all the ducts. Two large pipes or ducts extend from the package unit. If the ducts must be located within a vented attic one option.

Dealing with heating and air conditioning ducts in a room with a low ceiling is a challenge. The unconditioned space also houses his hvac system. An expert will know what type of insulation will work best for your space and can complete the job faster and more accurately than a layperson. Options for installing ductwork in low ceilings.

Ted also has inherited a powered attic ventilator. To add heat and air conditioning to your attic you must have enough ductwork. Part of the unit is inside and part is on the roof. One is the conditioned supply air that serves the house with warm or cool air attaching to the vents in every room.

And the jumper ducts likewise aren t as bad as having supply ducts. If you must have any ducts in the attic it s best to have them low right above the insulation if not buried but remember the cautions on that. According to nrel researchers david roberts and jon winkler moving the ducts from a vented attic to a new location inside the conditioned space will reduce electricity used for cooling by 15 to 20 and will reduce the size of the needed air conditioning equipment by 0 5 to 1 ton. It s easy to see your point about eliminating ductwork from the attic.

My parents own a home about 40 years old and there is black mold coming from the a c ducts. For homes with ducted heating and cooling systems the best place to locate the duct system from an hvac performance standpoint is within the conditioned space of the home either in dropped ceilings or between floors or in a sealed and insulated basement crawlspace or attic. Ted has more than a few cobwebs in his attic.