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August Discobs 2022


George BM
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Just now, KAOS said:

Do you have an attic fan? Perhaps that would help. Here is a link explaining some of what I was talking about and this example actually shows the air handler in the attic.

https://georgebrazilhvac.com/blog/what-temperature-should-my-central-air-conditioner-be-putting-out

Keep in mind the 20 degree Delta T is just rule of thumb. That said, it seems you have a problem. 68 degree supply air is not going to cool the house sufficiently (upstairs).

At least that is my experience.

 

 

Guess I will call for a second opinion.  We actually do have an attic fan (along with almost full length ridge vents), I had to replace the motor two weeks ago and I was sweating to death in the attic and lamenting the shitty AC upstairs, which is what prompted me to call the tech in the first place.  I don't ever recall this issue so something mustve changed in the past year.

Sad thing is half my job is refrigerant thermodynamics (on a city-sized scale) but I've never bothered to do the calculations for the AC unit. 

Onward...

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:axe:

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
436 PM EDT MON AUG 08 2022

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0415 PM     FLASH FLOOD      1 N BLADENSBURG         38.95N  76.92W
08/08/2022                   PRINCE GEORGES     MD   FIRE DEPT/RESCUE

            PRINCE GEORGES COUNTY FIRE AND RESCUE WAS DEPLOYING
            BOATS TO RESCUE PEOPLE FROM HIGH WATER ALONG MD-201
            KENILWORTH AVENUE BETWEEN MD-450 ANNAPOLIS ROAD AND
            MD-410 RIVERDALE ROAD IN RIVERDALE. SEVEN VEHICLES WERE
            STRANDED. POLICE HAVE CLOSED THE ROAD.


&&

EVENT NUMBER LWX2204777
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