I vote for the attic.
Difference in attic or crawl space.
If there were a way to eliminate the possibility of critters i would prefer the cooler location for ducts.
Seal supply boxes with mastic.
A two room addition on the 1st floor has limited attic space and a 4 crawl space.
Make sure the fill s depth is uniform across the attic.
To get the target r value from the product you chose use the number of bags your calculations showed that you needed to insulate your attic never fewer.
Learn the 7 biggest differences between two popular foundation types slab vs.
It s easy to see your point about eliminating ductwork from the attic.
The cellar and the attic.
My vote would be the crawl space if there is sufficient room and easy access for service.
In a crawlspace you have to worry about critters and duct losses.
If you have vaulted ceiling then you will need to install some registers near the ceiling on one of the walls.
In the attic you have worry about heat gain and duct losses.
Installation whether using a concrete slab 1 or a crawl space only a professional should prep the site and install the foundation.
Since a crawl space can be anywhere from 16 inches to four feet high a crawl space built home needs to have entrance ramps to provide the same ease of mobility.
O is air conditioning the 1st floor effective with floor venting if i run ductwork in the basement.
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.
A person who has turned his attic into an office or a guest room for example might still have a crawl space if one section of the attic was too low to be used for living purposes.
However i have two questions if i want to centrally air condition my entire house.
This is a big deal and has the potential to add significant cost to air sealing insulating crawl space encapsulation and all those things we do in confined spaces.
If it applies to energy auditors and raters too that could really be difficult because many times they go into a house on their own.
The attic would be fine if the equipment and duct work were installed in conditioned space.
To make it easy to eyeball how level the material is as you blow it in screw depth guides to joists throughout the space.
In some rare cases the term attic crawl space refers to a section of an enclosed section of an attic with a low ceiling that is situated within a larger more habitable attic space.
Strap ducts out of insulation with 3 ductstraps per specifications.
Knowing the disadvantages of attic install and the crawl space install.
