Fedders Furnaces

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Fedders Furnace Overview

In 1980, Fedders left the unitary market, yet its furnaces are still available through authorized independent dealers. Consumers can still find 2-stage and warm-air furnaces with the Fedders brand.

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Consumer Reviews of Fedders


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  • #11 of 86 Furnaces
  • 25% of customers recommended

Fedders 2-Stage Furnaces

These furnaces are generally all-position units that accommodate upflow, downflow and horizontal installations. They are compact enough for convenient placement throughout the home. With AFUE ratings of up to 95 percent, an Energy Star level of efficiency can be attained when the furnace is coupled with a compatible cooling system. They support 2-stage cooling units and are 1- or 2-stage thermostat ready. In many cases, terminals are available for installation of humidification and/or electronic air cleaning products. Additional features are available such as stainless steel secondary heat exchanger and a built-in self-diagnostics system that easily displays fault codes without panel removal.

Fedders Warm-Air Furnaces

Among these options are all-position, mid-efficiency units that employ natural gas, though kits are available for LP gas conversion. The efficiency of these units is improved by their heavy-duty aluminized tubular heat exchanger, multi-speed PSA and direct drive blower. The cabinets are insulated for minimized sound production.

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Care and Maintenance of Fedders Furnaces

Fedders advises that its furnaces must be cared for yearly and kept clean and free of debris. Filters must be clean and remain free of dust. The exterior of the unit also should be kept clean. Annually, homeowners should have the furnace professionally serviced as part of routine care and can reference the product manual for descriptions such maintenance entails.


Proper installation and sufficient documentation of purchase and installation are required for warranties to be applicable. Fedder furnaces have warranties that may provide limited 20-year to lifetime coverage on heat exchangers. On all other parts, there is a 5-year limited warranty. Warranties should be discussed with an authorized independent dealer regarding furnaces no longer manufactured by Fedders.

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Fedders Furnace Reviews

"Costomer service unstisfied"

1.0 rating
Very Unsatisfied

Carrier furnace unrilable we have problem with it all the time ,one problem after other.

A. Sarr

AB. canada

"Converting to LP gas"

3.0 rating

When converting to LP, do you need to change the pilot (it appears that the electronic ignitor lights the pilot) orifice to a smaller size? The orifice is an unusual configuration (kind of cone shaped). The book talks about changing burner orifices, but no mention of pilot orifice.

Tom Casey


5.0 rating
Very Satisfied

I wrote earlier about my problem.I Was told that Fedders bought out Addison,so now they are one and the same.Now to my problem,this furnace is natural gas and was made by Addison in 1980-83.The fact that it still runs tells me that it is an amazing product.I Bought this old house last year.Could it be possible that the furnace does not have a filter on the unit under the house? I have crawled all around looking and cannot find any door,compartment,etc,where a filter would go!This is puzzling!I Wrote down some info that may be helpful to you-It was manufactured for addison products ADDISON,MICHIGAN.The Mod#GHC100A-4 Ser#851016050 Is there any way I could purchase a manual for a furnace this old?Any help you could provide would be greatly appreciated!Please help! Thanks,James

James K Shaw


3.0 rating

This one was in my house when I bought it back in 1999. I never had to replace anything on it. Just replaced with new 95% eff. furnace to save on gas bill.

Fedders Unitary Products

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