Attic Furnace Freezing

A furnace can suffer from a drop in energy efficiency if it s in an unconditioned space such as an attic.

Attic furnace freezing.

High efficiency furnaces aren t usually recommended for an attic. How do i avoid drain freezing from my attic gas furnace. If the drain is located too close to the outside of the home it may freeze in the coldest of winter weather. There are several reasons for your hvac system to freeze up.

If it s less than 90 percent it will be less efficient. It feels cold and could be frozen. Attics though ventilated with outside air tend to stay a fair bit warmer than the outside. It will lower the efficiency of your furnace.

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 an attic installation is possible in your home it can be a great option for many homeowners. The drain must be installed through the core of the house as water will be flowing during the colder months. 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.

List of the cons of a furnace in the attic 1. It s just as safe for it to be in the attic as it is in the basement. Most of the issues that furnace might experience in an attic are due to extremely cold weather in this poorly insulated space. Keep a 90 percent furnace out of an attic if you have cold temperatures.

My builders are struggling to maintain profitability in a competitive market. You only have to worry about the attic if it gets below freezing in there. 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. I have two aman gas fired warm air furnaces in my attic that are blowing cold air only.

Common causes include a dirty air filter blocked condensate lines refrigerant leaks and component malfunctions. I have to run the drain 40 ft in a cold attic. Answered by a verified hvac technician.