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Gas furnace choice for cool garage
I want to replace the very old, salvaged, gas furnace in my garage. I would like to replace it with a unit that works efficiently at low temperature. The gas hog I have now (salvaged from a house to be torn down 24 yrs ago) will not operate without cycling on and off due to very cold air return temp when I set the tstat below 50F.
The building is a framed, 1000 sq ft, detached garage that I really only want to keep about 10* above freezing most of the time. I live in southern Indiana. Usually only a handful of below 10F nights per year. I don't have my heart set on a high efficiency model. Not sure if one would even work under these conditions.