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Question DetailsAsked on 8/5/2017

I've been quoted $2945 to replace an evaporator coil with 5 pounds of 410 at$68/lb. online410 can be as low as $6/.

For a 2 ton Rheem airconditioner - four years old. Sounds fishy to me.

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1 Answer


For a 2 ton unit, that sounds like pretty much a replacement for the entire unit - and certainly if an older unit I would be questioning putting $3000 into an older unit (though yours is fairly new), especially a small one. Also, evaporator coil replacement (without warranty on the coil) commonly runs in the $1000-2000 range complete, so this sounds way high to me unless you are in a "what the markeat will bear" ritzy area.

Also, for a 4 year unit - check tht the coil is not covered under warranty - the coil itself might be replaced for free by the manufacturer.

$6 for R-410a - that sounds awfully low, but more like $10-20 yes, $13/lb in 25# container from my local supplier right now for Honeywell R-410a refrigerant.

Some vendors include the labor and equipment charge to recharge the system in the gas cost, so if you say maybe $20-25/lb gas chargeout rate on 5# gas, plus say $150-200 labor for the charging and adjusting the pressure to spec, that would work out to about $50-65/lb in your case - about what you said - ASSUMING the recharge labor is included in the gas cost.

But overall - sounds way high to be just on bottom line (assumning this unit is not inordinately hard to access or such), so maybe you should get another bid or three to see just what is reasonable for your area - and I would be looking for both coil replacement and total unit bids (of the brand/SEER rating you choose) from each.

Also, if this is a cost from a home warranty company look at the recent posts on that in the Home > HVAC link under Browse Projects, at lower left, where you can also find a lot of previous questions with answers and thoughts on the repair/replace decision and relative economics.

My closing thought - if replacing, I would consider a higher quality brand - Rheem, Goodman, Coleman and similar brands may be cheap but there is a reason for that.

Answered 3 years ago by LCD

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