On average most homeowners spend between 813 and 1492 or 1 50 to 3 00 per square foot to install attic insulation.
Attic firewall installation.
Wood pull down ladders are acceptable when a firewall exists in the attic between the areas above the garage and house.
Another common homeowner mistake is to install recessed lights in the garage.
Attic access installed in an attached garage firewall.
One will cool the master bedroom the other will cool the two bedrooms where inverter s children sleep.
One issue in providing a solid firewall is a pull down or retractable ladder to a loft in the garage ceiling.
While there are fire rated units most homeowners install a less.
Install two mitsubishi sez model ducted minisplits in the attic.
Even if the garage attic is completely separated from the house attic or house walls don t back up to it open access creates a vacuum and garage fire will be sucked into the attic keep it closed at all times check drawings in comment section below for some tips.
Fire rated pull down ladders are available.
One solution is to install a firewall in the attic between the garage and dwelling.
This gap will allow a fire to get into the attic and is a breach of the firewall.
However your local building department may approve other methods of correction such as attaching fire rated.
An hvac contractor has taken a look at the house and has a recommendation inverter explains in this q a post.