It would be one hell of a fractional HP motor that generated anywhere that much heat. It's typically only 1/3 hp, maybe 1/2. I replaced a
27 year old furnace and the gas bill decreased dramatically. Didn't notice any difference in the electric bill and that's with a variable speed ECM blower.
Hi, DC motor is always more efficient. Even my GDO has 140V DC motor, small in size but pretty powerful.
Yes, I agree and I didn't mean to imply that it isn't. It's just that with my usage I can't show a difference on the electric bill. With the gas bill, there was a huge, like 40% difference. Of course I don't leave my blower running 24/7 like Clare either.
Yeah, come to think of it, in his case you're probably right. When I care about the noise, I'm two flights up and all I hear is the fan, so I thought of that first. The color showed it was on the slowest speed, but I tried the other two wires, just in case they'd made a mistake. They hadn't. So I sometimes shut the bedroom door to cut out the noise.
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