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View Full Version : Furnace replacement recommendation for Day & Night model #100U-19A, 100,000 BTU


Real Housewife
Nov 18, 2013, 07:24 PM
Home built in 1975 with DAY & NIGHT furnace model #100U-19A, Input: 100,000 BTU/hr, Bonnet Capacity: 80,000 BTU/hr. Since original construction, 2 rooms added for total square footage at 2,650. Old furnace has rust spots. Expect holes to form soon. Must replace furnace now.

ma0641
Nov 18, 2013, 09:28 PM
You can get all kinds of recommendations. Carrier, Trane, Lennox and others will make some people happy and others curse. Talk to your neighbors, Google the manufacturers and check the reliability reports. Then, get a number of specific quotes and go from there.