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Old 06-17-2015, 07:35 AM
 
2,844 posts, read 2,977,796 times
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Hi there,

I know not much about AC's except how to turn the thermostat. With the hot weather I noticed in the afternoon the thermostate reads 7-8 degrees higher than setting.

It comes down as night settles in but I need help decided if I need maintenance or not or is this is an issue or if I can otherwise optimize?
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Old 06-17-2015, 07:41 AM
 
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Sounds like your AC isn't working (or isn't working well). Time to place a service call before it dies completely. I recommend Alexander Heating & Air (in Holly Springs). They've helped me out and their prices have been very reasonable.
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Old 06-17-2015, 07:55 AM
 
Location: Cary
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Yes, something needs to be done. For reference, over the past two days I've had my two thermostats set at 74(upstairs) and 73(downstairs) during the heat of the day and my thermostats and thermometers read 74/73 respectively.

Do you have a programmable thermostat or the old fashioned analog dial thermostat? How old is your AC system? If you have a thermometer the air blowing should be > 17 degrees colder than the room temperature(actually, at the return so set a thermometer there to read the inlet temp).
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Old 06-17-2015, 07:58 AM
 
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It's a very old AC unit.
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Old 06-17-2015, 08:02 AM
 
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The simple answer is it's not providing enough cooling to meet the cooling load on your house. Could be because the system was designed to meet a lower demand, or the units are unable to reduce the temp enough across the coil. If you want to sound smart, what C_Lan is talking about is called a 'delta', ie change in temp.
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Old 06-17-2015, 08:06 AM
 
Location: Cary
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Well, hopefully you just need a recharge to get you by. I've used Triangle Comfort and Heating for service and felt that they were thorough and trustworthy. (919)661-3636
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Old 06-17-2015, 08:18 AM
 
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Thanks all and another question

We just got this house this year and have home insurance AHS. 75 dollar for a visit.

This is an old original units in a early 90s house.

Would it be cheaper to do an insurance call or directly contact a servicer? I'm not sure how much "simple maintenance" would run...

thanks
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Old 06-17-2015, 08:23 AM
 
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Quote:
Originally Posted by hey_guy View Post
Thanks all and another question

We just got this house this year and have home insurance AHS. 75 dollar for a visit.

This is an old original units in a early 90s house.

Would it be cheaper to do an insurance call or directly contact a servicer? I'm not sure how much "simple maintenance" would run...

thanks
Would be cheaper to do an insurance call if the problem is something more serious than needing a freon re-charge. Potentially a whole lot less convenient though - as warranty company repairs require you to jump through many hoops.
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Old 06-17-2015, 08:24 AM
 
5,570 posts, read 7,273,813 times
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Quote:
Originally Posted by hey_guy View Post
Thanks all and another question

We just got this house this year and have home insurance AHS. 75 dollar for a visit.

This is an old original units in a early 90s house.

Would it be cheaper to do an insurance call or directly contact a servicer? I'm not sure how much "simple maintenance" would run...

thanks
What does the 75 dollar visit cover? Because that's roughly what I've paid the past three companies I've used for their hourly labor rate (excluding parts) even without insurance.
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Old 06-17-2015, 08:25 AM
 
Location: Cary
2,863 posts, read 4,677,993 times
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If you need a couple of lbs of freon it's going to be expensive. Your systems probably use the stuff that was phased out (R-22). Call around before you make your decision...initial fee to drive over + cost of 1st lb + cost of additional lbs can add up quickly. Maybe someone else can chime in on recent costs for R-22 recharge (assuming that is your problem).
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