Replacing A/C and gas furnace - Fredericksburg, VA

FenomenonAugust 6, 2014

Hello all,

The evaporator coil in my A/C unit has developed a large leak. Since it's a R22 system I decided to upgrade to a R410a system with a matching furnace.

My home is a two story colonial with a basement. The total above grade living area is ~2000 sq. ft. and there is ~900 sq. ft. of living area in the basement. The current A/C is a 3 ton unit and the current gas furnace is 80k.

I have one quote from a contractor. I know that a manual J calculation is highly recommended but I did not get one. I wanted to see what a direct replacement would cost.

I was quoted using Carrier components:
24ACC636A003 - Performance 16 3T air conditioner
CNPVP3617ALA - Coil
59TP5A080E17-16 - 95% 2 stage furnace
TP-PRH - Edge thermostat

This includes the installation cost and includes:
Lineset flush
Condensor pad
Condensor support feet
EZ-Trap
Condensate pump

The cash price quoted is $7528.

I just wanted to make sure that this system is packaged properly and is reasonable.

I don't have a quote for this yet but would there be any advantage of upgrading to the Performance 17 2-stage air conditioner to match the 2-stage furnace?

I was quoted for a similar Infinity system with the Infinity 17 and I believe the 96% furnace but it was ~$2000 more, ~$1000 if you factor in manufacturer rebate. However I couldn't see any significant advantages over the Performance series other than a spiffy looking thermostat. Am I wrong?

Thanks,

Rob

This post was edited by Fenomenon on Wed, Aug 6, 14 at 1:10

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tigerdunes

You may have better comfort and dehumidification with the 2 stage Performance 17.

How will your return air be filtered? You have adequate returns on main and second floor?

Your current furnace is 80 K 80% efficiency?

Generally, you will get better dehumidification with a furnace that has a variable speed blower. While your furnace selection is two stage, high efficient with high eff blower, it is not var speed. Just so you know.

IMO

    Bookmark   August 6, 2014 at 4:46AM
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