Quote:
Originally Posted by ChiefsrGood
Been having some AC issues. Excuse my explanation I don't know much about this stuff. Last summer our AC worked fine. Now this summer has been a mess. When I originally turned it on for the summer the fan wasn't working... so I got someone to come over and they got the fan running and the ac worked fine for awhile. I left town for a week so I shut it off and when I got back home and turned it on again it blew warm air...so I had someone come over again and they got it running fine again. And when I say fine I mean the AC blew constantly and never shut off but the house was cool atleast. Well eventually it started to blow warm/very weak again and I noticed the lines were freezing inside and outside the house. So I shut off the ac, ran the fan to let them thaw out and changed the filter. The pipes still froze up after I turned the ac on again. So I said screw it and got a totally new AC unit. However the vents upstairs work very poorly and one of them that previously worked good just totally quit blowing. So the thermostat is set on 74 and it stays about 75 degrees upstairs and runs constantly and it feels like it's 65 or so in the basement. Going to be a nice energy bill.
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Sounds like on the first part of your story your evaperator, indoor coil, might of been dirty and or low of refrigerant.
If you have duct that is lined, insulated on the inside, you may have a piece of insulation that has come off or lose and it blocking the air from getting to the piece of duct that feeds that register.
Did you have a split system or a package unit?
Also you have to watch a lot of these companies. I know some that will sell you what they have in stock rather than get you the same sized unit as what they replaced.
If you had a 3 ton system. Did they replace it with a 2 ton unit? You will lose a lot of air that way.