View Full Version : Changing oil furnace to heat pump
12-22-2007, 11:12 AM
I have a customer that wants to change his oil furnace to a heat pump. He has a 100,000 btu oil furnace. I am posting this to get feed back on the pros and cons and also what size heat pump will replace this oil furnace. Thanks paul
12-22-2007, 11:32 AM
Done that a couple times already.
Do a load calc to see what size A/C he needs. You can add 1/2 ton to that size for it being a heat pump.
Then size the strip heaters to equal what the true heat loss is.
Draw back: Some people don't like the diff in air temp coming out the regesters. They're use to the hot air of the oil furnace.
Pro: In my area, oil is so high, that heat pumps with electric back up operate cheaper even when using all the strip heaters.
You'll have to compare the rates in your area to know how much money it will save in your area.
12-22-2007, 12:26 PM
So do they want to keep the oil furnace as a backup then? If not I would try real hard to convince them to get a new a/h as well. Like he said, inform them that they wont be getting that 130 degree supply air anymore, more near 100 depending on oda of course.
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