Attic Furnace Freezing

I would guess that unless you have good runs of outside temperatures consistently below 0f 18c you shouldn t have a freezing problem in your attic.

Attic furnace freezing. It s just as safe for it to be in the attic as it is in the basement. It feels cold and could be frozen. If it s less than 90 percent it will be less efficient. My builders are struggling to maintain profitability in a competitive market.

One point about a 90 in the attic in a cold climate is if the proper steps are not taken you can freeze a condensate line up there. Attics though ventilated with outside air tend to stay a fair bit warmer than the outside. In some cases you can correct a frozen system yourself while other issues require a professional s help. The primary reason why furnace placement occurs on the bottom floor of a structure is because the warmer temperatures rise to displace the colder air.

My question is with real constraints a 95 furnace in an attic with the need for condensate drain and potential for freezing what is a best practice under these circumstances. If the drain is located too close to the outside of the home it may freeze in the coldest of winter weather. High efficiency furnaces aren t usually recommended for an attic. If an attic installation is possible in your home it can be a great option for many homeowners.

Answered by a verified hvac technician. There loos like a water line that goes into the unit. It will lower the efficiency of your furnace. Common causes include a dirty air filter blocked condensate lines refrigerant leaks and component malfunctions.

A furnace can suffer from a drop in energy efficiency if it s in an unconditioned space such as an attic. I have to run the drain 40 ft in a cold attic. Keep a 90 percent furnace out of an attic if you have cold temperatures. The drain must be installed through the core of the house as water will be flowing during the colder months.

You only have to worry about the attic if it gets below freezing in there. I have two aman gas fired warm air furnaces in my attic that are blowing cold air only. List of the cons of a furnace in the attic 1.