25+ year old NG Furnace runs 3 mins then off 9 mins to maintain within +/-1F
of the setpoint. I am timing it from by the meter start/stop sounds so the
fan is on for 4-5 mins of which the 1st 2 produce no real heat. Seems very
inefficient to me. Is this called short cycling? Is it possible to reduce
the output BTU's so it runs longer?
absolutely. you probably lack the tools or knowledge though
I have a solution you can apply immediately, no tools or knowledge
needed. open a few windows until the furnace operates at your desired
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