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Question DetailsAsked on 5/15/2016

What is the standard cost to install 7 lbs of refrigerant in a home AC

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1 Answer


No "standard" cost - and some contractors charge a labor fee for the filling plus per pound (with some markup) for the refrigerant, others wrap the labor into a flat per-pound fee so can vary a lot. And the latter method can result in high cost for jobs needing a lot of gas because the labor cost embedded in the gas charge is averaged over both small and large usage jobs, so large jobs pay an undue amount of labor component.

Can commonly run about $20-70/lb for refrigerant - some contractors are getting up to $200/lb for Freon (R-22, the gas in most older systems) because of the hype on it being phased out (though will still be available for existing units, just not allowed in new ones). So - for 7 pounds I would expect maybe a minimum of around 7 bls @ $20/lb plus maybe $125 or so labor = $265 in low cost small markup on the gas environment; to as much as 7 x $100-200/lb + $250 labor = $950-1650, in what I would consider a ripoff environment. Something in the ballpark of $500-800 would probably be in the more "normal" range. (The gas itself is pretty readily available to HVAC contractors from around a bit under $20 to about $45/lb wholesale in 20-30 lb tanks).

Call around to several Heating and A/C contractors (your Search the List category) with good ratings and reviews for quotes.

Don't forget - unless this was just a price check to see if you got gouged, just putting more gas into a leaking system (assuming more than a pound or so every 3-5 years or more) is throwing your money away, not to mention illegal. You should get the leak fixed. Also, if your gas runs too low not only are you throwing energy money away running an inefficienct or ineffective air conditioner, but also since the refrigerant normally contains and moves around lubricant, you can also destroy the compressor by letting it get too low.

Lots more answers on refrigerant refill/top off costs in the Home > HVAC link in Browse Projects, at lower left, FYI.

Answered 4 years ago by LCD

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