New Evaporator Coils necessary for new Condenser ?

nospamever · 2008-05-06T17:50:41+00:00

My mom's 22 year old 4 Ton 10-seer Carrier A/C condenser is shot. Her furnace is relatively new.She wants to replace the old unt with a new Puron Carrier 4 ton condenser.One HVAC company is saying that they do not install new evaporator coils because it is unnecessary, and the efficiency will be around 12 or 13 if the old coils are used with a 15 seer unit. They say they have never had a problem with leaving the old evaporator coils in.Another HVAC company is saying that it is important to install new coils because the efficency won't be good, and also the unit will be under more stress with the old coils and will likely only last for 4 years.Which of the two is correct?Thanks,J.

May 06, 2008 20 Replies

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