90 Furnace In Attic
The trick to the installation of a gas furnace in an attic space is routing the condensate drain from the attic down through the core of the house to the basement.
90 furnace in attic. If you don t have a crawl space or a basement then it can be a challenge to place a furnace on the ground floor of the structure. You might not receive the same air movement benefits if the unit is in a garage either. This drain removes the excess water that a heating system will generate. The furnace is not recommended for installation above 10 000 ft.
A furnace in the attic is a design that works for all homes. Since 90 furnaces expel water as a by product due to their combustion process it isn t an unreasonable fear of having a drain line freeze in an unconditioned attic and cause water damage. Said it is fine to get a 90 furnace. The house we are renovating at the moment has two furnaces one in the basement and the other in the third floor attic.
They will install some sort of heating source inside the furnace and along the drainage pipe to prevent freezing. The drain must be installed through the core of the house as water will be flowing during the colder months. 90 gas furnace installation instructions gas furnace safety table of contents. If we want to get a 90 furnace they said they ll need to build a mini insulated room around the furnace to keep it from getting as cold as the rest of the attic.
I understand that the proplem relates to freezing due to condensation but have received 2 conflicting opinions from the pros who have bid my job 2 in each camp. I m installing a 2 furnace system and am hoping someone can clear up whether it is appropriate to install a 90 furnace in an attic or if you should stick with a 80 unit for this application. Even with a condensate pump you run the risk of the outlet still freezing causing it to overflow into your attic ceilings.