One solution is to install a firewall in the attic between the garage and dwelling.
Attic firewall installation.
One will cool the master bedroom the other will cool the two bedrooms where inverter s children sleep.
Install two mitsubishi sez model ducted minisplits in the attic.
Wood pull down ladders are acceptable when a firewall exists in the attic between the areas above the garage and house.
An hvac contractor has taken a look at the house and has a recommendation inverter explains in this q a post.
Pricing depends on the size of your attic the type of insulation material used and labor rates.
The attic at inverter s house is.
One issue in providing a solid firewall is a pull down or retractable ladder to a loft in the garage ceiling.
Fire rated pull down ladders are available.
However your local building department may approve other methods of correction such as attaching fire rated.
This gap will allow a fire to get into the attic and is a breach of the firewall.
On average most homeowners spend between 813 and 1492 or 1 50 to 3 00 per square foot to install attic insulation.
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.
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