Attic Vs Crawl Space

It s easy to see your point about eliminating ductwork from the attic.

Attic vs crawl space.

Strap ducts out of insulation with 3 ductstraps per specifications. My head is spinning from all the pros and cons of locating the hvac and duct work in the attic vs crawl space. I was just discussing the issue of attic vs. This can keep the house warmer and can also cut down.

A two room addition on the 1st floor has limited attic space and a 4 crawl space. 1a attic access door. Did you know before the drying co thermaltec became greater richmond and the virginia peninsula s expert for attics basements and crawl spaces we used to. You can expand it just enough to accommodate the ducts.

New construction in the sandhills north carolina. If the air distribution is in the attic space then consider insulating the rafters to move the distribution into the conditioned space. O is air conditioning the 1st floor effective with floor venting if i run ductwork in the basement. Knowing the disadvantages of attic install and the crawl space install.

If you use duct board flex in crawl space you will have problems. Crawl space today with a few guys i work with. I vote for the attic. Mild winters but we do get them and hot summers.

I run my ac and heating equally throughout the year here. There are however some drawbacks also to system in the attic. Since the attic is considerably hotter than the crawlspace in the summer there will be more. View profile view forum posts view forum threads new guest join date sep 2007 posts 2 post likes.

Rarely will a sealed foam insulated attic deviate more than 15 degrees from the living space temperatures below it. Everyone including myself preferred to have the ductwork in the attic as opposed to the crawl space. Compare that with the daily 140 degree temperatures found in vented attics. So when we have a choice we prefer hvac systems located under the house.

As a great deal of heat can escape through the attic of a house it is common for this area to be insulated. Insulate and air seal the floor with open cell foam put ductwork and mechanicals in the attic install a radiant barrier and mastic seal the ducts. For homes with eight foot ceilings you can get special roof trusses called plenum trusses that are designed to accommodate ductwork and create a chase in the attic floor. Expanding the conditioned space doesn t require you to condition an entire attic or crawl space.

Seal supply boxes with mastic. In finished attic rooms with or without dormer insulate 2a between the studs of knee walls 2b between the studs and rafters of exterior walls and roof 2c and ceilings with. Animals love duct board flex 09 06 2007 02 11 pm 12.