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Old 06-17-2015, 04:34 PM
 
513 posts, read 547,591 times
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So my heat pumps ac was not keeping up with the heat. Got a service call and they determined my unit was low on Freon. They filled up the Freon, but told me it was a temporary bandaid and that it would have to be replaced within a year. He said best case scenario would be to make it through this summer and refill the Freon again next summer and that would be the end of it. Iím not sure I buy that as there must be a way to look for the leak and repair it. However, he said the heat pumps typically last 12-14 years and mine is 20 years old. So HVAC experts, whats your opinion on the matter?
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Old 06-17-2015, 04:42 PM
 
Location: Near Falls Lake
2,312 posts, read 1,682,175 times
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The specific cause of the leakage can be determined-generally for a price. Sometimes you get lucky and it is something simple like a schrader valve. Other times, and far more likely, it will be a coil or compressor. While they can nearly always be repaired, a 20 year old unit will likely not be very efficient. The new units will significantly reduce you monthly bill. His comment that heat pumps typically last 12-14 years is reasonably accurate. Repair/replace---depends on if you are staying or leaving.
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Old 06-17-2015, 05:22 PM
 
Location: Raleigh N.C
2,011 posts, read 1,924,212 times
Reputation: 896
Quote:
Originally Posted by J.M.M View Post
So my heat pumps ac was not keeping up with the heat. Got a service call and they determined my unit was low on Freon. They filled up the Freon, but told me it was a temporary bandaid and that it would have to be replaced within a year. He said best case scenario would be to make it through this summer and refill the Freon again next summer and that would be the end of it. Iím not sure I buy that as there must be a way to look for the leak and repair it. However, he said the heat pumps typically last 12-14 years and mine is 20 years old. So HVAC experts, whats your opinion on the matter?
What company was this?The technician sounds honest. A dishonest tech would say it's dead you need a new unit now. Glad to hear they didn't try to take you for a ride.
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Old 06-17-2015, 05:29 PM
 
513 posts, read 547,591 times
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Quote:
Originally Posted by Atowwn View Post
What company was this?The technician sounds honest. A dishonest tech would say it's dead you need a new unit now. Glad to hear they didn't try to take you for a ride.
I'm not going to say the company, because in all honesty, I am not sure if it would make them look god or bad.
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Old 06-17-2015, 05:55 PM
 
2,242 posts, read 2,193,822 times
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The coils rust, especially if they are located in unconditioned spaces (attic or unfinished basement). As the coils rust, pinhole leaks develop. (There are other leak causes, but all of the tines my unuts leaked the freon sniffing tool beeped loudest at the coil. Your recent topoff will last you some period of time before it leaks out again. (After all it leaked out in the first place).

For me, how long you planned to stay in residence would determine whether I kept adding freon or replaced system.
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Old 06-17-2015, 06:09 PM
 
Location: Cary, NC
31,648 posts, read 55,388,070 times
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I just had a pound of Freon added to a 22 year old unit.
We have been here almost 13 years, and that is the first time it has been checked in about 10-11 years.

Tech told me that adding less than a pound next year wouldn't be a worry, but if I have to add a couple of times, it is replacement time.

I'll run it a while.
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Old 06-18-2015, 03:40 PM
 
513 posts, read 547,591 times
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Quote:
Originally Posted by MikeJaquish View Post
I just had a pound of Freon added to a 22 year old unit.
We have been here almost 13 years, and that is the first time it has been checked in about 10-11 years.

Tech told me that adding less than a pound next year wouldn't be a worry, but if I have to add a couple of times, it is replacement time.

I'll run it a while.
The tech did say it I have to add more freon this summer that it would definitely be replacement time.
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Old 06-18-2015, 03:41 PM
 
513 posts, read 547,591 times
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Also, he said a new system would be ~5 grand. Does that sound about right?
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Old 06-18-2015, 03:56 PM
 
2,356 posts, read 2,483,970 times
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Time to replace your AC.
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Old 06-18-2015, 04:03 PM
 
Location: Apex NC, the Peak of Good Loving.
1,458 posts, read 1,647,598 times
Reputation: 2184
Quote:
Originally Posted by J.M.M View Post
Also, he said a new system would be ~5 grand. Does that sound about right?
Depends on the brand and size of the new unit. A large house needs a large system. Some brands (e.g. Lennox) are priced higher; others (e.g. Goodman) are lower.

Get three bids on your new system. You may be surprised at the price spread.

.
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