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firechicken 08-05-2012 10:45 AM

Question about Carrier air handler
I have a carrier FB4ANF036 air handler/air conditioning system. I have a boiler system for heat, but it crapped out on me this past year. Considering the age of the boiler (1966) I would rather remove the boiler system in its entirety and replace it with a forced air system. MY question is, is there an option to use my current air handler set-up for heating as well as cooling?

gregzoll 08-05-2012 11:16 AM

Just need a a-coil in it. As long as the duct work serves the whole structure, you should be fine.

biggles 08-05-2012 11:26 AM

installing a heat exchanger and burner section might be possible with a fan speed change for heating usually LO/Med LO.if you exsisting supply fan is one speed it would have to be around for add ons.they will most likely try you to go for new FURNACE with new coil

hvactech126 08-05-2012 11:41 AM

electric strips could easily be added to the AHU as long as you have a large enough electrical service for your home. This would be the cheapest way to upgrade the AHU to serve for heat. However, electric strip heat is expensive to run so you would want to change the a/c to a heat pump and by the time you do all that you might as well have installed a gas forced air furnace with a new evap coil and keep your existing condenser.

ResidentialTech 08-05-2012 11:25 PM

You can get a Heatpump

beenthere 08-06-2012 04:00 AM

Yes, you can get a heat pump to match to that air handler, and have a strip heater package put into it, and use it to heat your entire house. if as said earlier, it has duct work serving the entire house. It may or may not give you as comfortable heat as your boiler system did.

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