Air conditioner - Page 3 - The HuntingPA.com Outdoor Community
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post #21 of 32 (permalink) Old 06-02-2019, 10:24 AM
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They sell a cleaner for the coils and anyone could do it but my bet is on the compressor.You need very good soldering skills to replace it and if the condenser fan is tired it is easier and wiser to simply replace it.Your electric bill will drop big time.I put in a unit slightly larger than needed because I didn't want it running constantly.I also installed a powered gable vent fan in my attic.That was a godsend for my electric bill when running a/c.I think you could buy a complete a/c unit for under $2000 if you shop and do it yourself.Minus new piping if needed.Home stores sell the coil cleaner if you want to try it and it is cheap.

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post #22 of 32 (permalink) Old 06-02-2019, 10:46 AM Thread Starter
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Thanks, I'm considering my options and I'll keep this in mind.

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post #23 of 32 (permalink) Old 06-02-2019, 10:58 AM
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Originally Posted by Hiamovi View Post
I put my own in,central air.Really not all that complicated.The condenser and coil are both pre-charged.
I did my own once and it is not hard. In fact it was very easy.

If you do buy new look at all brands and what your buying. The last unit I had installed had a name I never heard of so I had questions. The installer showed me the paperwork including the schematic and parts list. It was the exact same unit being sold in either Lowe's or HD as their premium unit for about $2,000 more. BTW most units are manufactured by a few companies and sold under different names.

If your current unit is cooling some areas and not others I check for blocked or diverted ducts. I have to redirect the air flow from summer to winter and vice versa.

Another thing to check is your blower motor. My motor operates at a low RPM in the winter and a higher RPM in the summer. If your blower is not operating at the correct RPM for the AC it will not move the air needed to cool the house.
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post #24 of 32 (permalink) Old 06-02-2019, 10:58 AM
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You will have to not only replace the outside unit, the inside components will have to be changed as well because the new coolant will notmbe compatible with the old stuff. In addition, even of you cuckold reuse the inside components, you would not want had new and half old.

When you are up to your butt in alligators, it is hard to remember your intent was to drain the swamp. Stay focused!
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post #25 of 32 (permalink) Old 06-02-2019, 11:03 AM
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Judging from the age of the unit I have, I think it's time to replace it. I do not believe the condenser coils were cleaned but I suspect doing so would, in the most optimistic outcome, only prolong my need to replace the unit. That said, is that a task I could do myself? Replacing the compressor in the unit seems to me like replacing the engine in a car....i.e. , most of the time, not worth it.

You should clean the coils in the outside unit and check the A coil in the house. They need to be clean.
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post #26 of 32 (permalink) Old 06-03-2019, 07:23 AM
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Likely a coolant leak in the inside furnace condensing coil. Most carry a 10-year warranty...I know my Trane did which started loosing coolant after 9 years. The newer condenser coils are more corrosion resistant to the new R-410A refrigerant.

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post #27 of 32 (permalink) Old 06-03-2019, 09:57 AM
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I would try a recharge of coolant first this year before buying new. My parents a/c unit has a small coolant leak somewhere through the system. The hvac guy comes out and charges the system with coolant and itís good for the remainder of the year. It usually cost under $100. This is probably the third time they have done this. Each time the installer said itís soon time for a replacement. I know it is getting harder to find the older coolant though. But could be worth a try instead of a few thousand dollars this year.
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post #28 of 32 (permalink) Old 06-03-2019, 12:05 PM
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I replaced 2 seasons ago my AC unit because the old one just wasn't cutting it any more.
I had a Carrier unit but replaced it with a Heil 3 ton with 17 seer unit.
It has a 10 year warranty, duel speed compressor motor and uses the R-410 A refrigerant.
The new unit, with the handler installed ran me 4100 and change. For another 2,000 they would have also replaced the furnace, but I didn't want to put in oil since I have electric heat and could not get a propane furnace in that deal.

The difference is night and day, this unit is quiet, cut my summer electric bill by almost [email protected] month and recovers the house quicker.
I wasn't to sure about going to the Heil unit but Heil is built by United Technologies who manufactures Carrier and Bryant anyhow.
Good luck with the purchase
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post #29 of 32 (permalink) Old 06-03-2019, 12:08 PM
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I would try a recharge of coolant first this year before buying new. My parents a/c unit has a small coolant leak somewhere through the system. The hvac guy comes out and charges the system with coolant and itís good for the remainder of the year. It usually cost under $100. This is probably the third time they have done this. Each time the installer said itís soon time for a replacement. I know it is getting harder to find the older coolant though. But could be worth a try instead of a few thousand dollars this year.
Not a good idea to keep dumping r-22 into the atmosphere.
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post #30 of 32 (permalink) Old 06-03-2019, 12:30 PM
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No is is not and in addition it is like throwing money down a rabbit hole if there is a leak

When you are up to your butt in alligators, it is hard to remember your intent was to drain the swamp. Stay focused!
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