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Started By
Message
re: A/c not cooling at night
Posted on 7/6/18 at 8:49 am to bbvdd
Posted on 7/6/18 at 8:49 am to bbvdd
Trust me I know it doesn't make sense.
Here is normal operation during the day. The white line is the indoor temperature. The blue block is the A/C running, the white is the fan.
Here it is running overnight. Runs all night and the temp increases to 78. Then it magically starts cooling again in the morning.
ETA: The only difference is at night the doors to the bedrooms are closed for my daughters.
Here is normal operation during the day. The white line is the indoor temperature. The blue block is the A/C running, the white is the fan.
Here it is running overnight. Runs all night and the temp increases to 78. Then it magically starts cooling again in the morning.
ETA: The only difference is at night the doors to the bedrooms are closed for my daughters.
This post was edited on 7/6/18 at 8:52 am
3
Posted on 7/6/18 at 9:03 am to BoogaBear
quote:This could be bad, no? Return air issue?
The only difference is at night the doors to the bedrooms are closed for my daughters.
Posted on 7/6/18 at 10:32 am to BoogaBear
quote:
he only difference is at night the doors to the bedrooms are closed for my daughters.
Be willing to bet a dime to a dollar this is your issue. Closing off those rooms(or individual registers) will starve your unit. Now, there may be an additional issue ie: coil leak, head pressure off, low on refrigerant, etc., but these are exacerbated by closing the doors.
Posted on 7/6/18 at 4:02 pm to BoogaBear
Well isn't that a fancy little chart you've got there. 
Perhaps AM and PM is reversed?
ETA - I would be shocked if the AC guy didn't check the Evap coils to see if they were dirty, as such a thing would make a lot of sense.
If he didnt, i would get a second opinion for sure.
Perhaps AM and PM is reversed?
ETA - I would be shocked if the AC guy didn't check the Evap coils to see if they were dirty, as such a thing would make a lot of sense.
If he didnt, i would get a second opinion for sure.
This post was edited on 7/6/18 at 4:13 pm
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