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Posted by Rebecca on January 20, 2007 at 09:07:07:
We have a 1950's Cape, about 2000 sf, with gas-heated forced hot air. In September had the furnace replaced with a new 92% efficiency York Affinity 9T series furnace, which draws air from outside instead of from the basement like the old one did.
Now that we actually have cold weather, we've noticed that it now takes three or four hours for the heat to come up from 61 to 69 degrees. The installer told us this is normal because of the air intake being form outside. I always thought the only advantage of forced hot air over radiators was the speed of the heat.