Adding AC to existing NG furnace… upgrade to full electric?
A neighbor with an older house is pricing out installation of an A-coil air conditioner to her existing gas furnace and ductwork. Contractor is spec’ing a run-of-the mill Rheem unit. Is it possible to upgrade to a hyperheat split unit–installed as you would the old-fashioned A-coil in the supply plenum–that includes both cooling AND heating? Thus the house retains the existing equipment for distribution but relegates NG to backup only.
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