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.

Two large pipes or ducts extend from the package unit. 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. The unconditioned space also houses his hvac system. 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.

And the jumper ducts likewise aren t as bad as having supply ducts. Yes it would be better to have them in conditioned space but it s not terrible to have the erv ducts in the attic. Part of the unit is inside and part is on the roof. 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.

Sometimes the best route for a flexible duct run is up and over an obstruction. 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. One is the conditioned supply air that serves the house with warm or cool air attaching to the vents in every room. To add heat and air conditioning to your attic you must have enough ductwork.

Ted has more than a few cobwebs in his attic. Your options for solving the problem range from moving. 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. It s easy to see your point about eliminating ductwork from the attic.

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. Obviously this means a lot of ripping and tearing etc. My parents own a home about 40 years old and there is black mold coming from the a c ducts. The 2nd duct is the return duct that attaches to the return air vents and draws the stale air out of the house through the filter and conditions it again to return.

If the ducts must be located within a vented attic one option. Options for installing ductwork in low ceilings. Ted also has inherited a powered attic ventilator. Our trained technicians can inspect your ducts and let you know if your renovation will need.

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. A basement is below and an attic is above the main part of the house.