If i install an energy star gas furnace, do i also need a new air conditioner?

I have an old central air system. If i upgrade the gas furnace to an energy star, do i also need to upgrade the compressor?If i install an energy star gas furnace, do i also need a new air conditioner?no, you only got a furnace. if you got a coil , yes.If i install an energy star gas furnace, do i also need a new air conditioner?the out side unit and the coil and furnace must match , or u have defeated your purposeIf i install an energy star gas furnace, do i also need a new air conditioner?You should not need to replace the A/C. The furnace installer can us the same A coil and make a new Plenum when he installs the furnace.



Good luck.If i install an energy star gas furnace, do i also need a new air conditioner?
As long as it's just the furnace you are replacing, you should not have to. It may be more cost-effective to do it now, as R-22 is being phased out, so you may need to upgrade to a R-410 (the new refrigerant)if your A/C unit needs repairs--it's illegal to add R-22 to a system now (2010 phase-out).



It will be cheaper to do it now while the equipment stack is already being pulled apart and the installers are already there, and you'll get a better deal from your dealer when you package it all. FYI, you won't just replace the compressor. The indoor coil, outdoor unit (fan/housing/compressor/etc), and line-set (refrigerant lines) will all need to be replaced. The new refrigerant operates at a different pressure and requires differently sized pipe.

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