Question about Whirlwind FH-778 Air Conditioner

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Cleaned coils/cage, a/c blows better but no longer cold

Okay so today, there was little/no air flow from the vents but it was cold air, maybe from the ice, and sure enough, the coils were frozen over and the blower was dirty. I cleaned the blower and my brother thawed and cleaned the coils. Immediately I could tell the air was forced/blowing harder but it was no longer cold. Just yesterday and in weeks before it was perfectly cold. I had this unit recharged last year, and it worked great, sat all winter, worked great again up until now. So, if this thing has a leak is it possible to be that slow to just now start losing it's ability to cool? Tomorrow I'm going to check the wire for the compressor inside the thermostat, b/c last time I had this issue of warmish air blowing, that was the culprit. So I guess my question is..can it all of a sudden be a leak and if so, what's the estimated cost to repair (cannot afford to replace) the leak?

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It would not be a slow leak, but you don't know, if your brother punchtured the coil. If the unit is less than 5 years old, it should be still under warrenty. If it is the coil, depending on the make . say lennox heat pump. the coil is $1,700.00, Coils are all different prices. It might be cheaper to replace whole unit. SORRY

http://www.heattransfertechnology.com/

Here are coil prices

Posted on Jul 04, 2010

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Posted on Jan 02, 2017

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