What else could be wrong?
10-12° difference between vents and return. This season and last. Never tested previously.
Last season large copper pipe at condenser was 64°, this season it's 76°. Both tested several times on different days. Never tested previously.
yes unit was on cool and fans were spinning when tested. Always waited at least 5 minutes after unit switched on to read temperatures.
This unit was installed in 2001, but is rarely used. It's never been charged since installation...
Do I need AC charge?
10-12° difference between vents and return. This season and last. Never tested previously.
Last season large copper pipe at condenser was 64°, this season it's 76°. Both tested several times on different days. Never tested previously.
yes unit was on cool and fans were spinning when tested. Always waited at least 5 minutes after unit switched on to read temperatures.
This unit was installed in 2001, but is rarely used. It's never been charged since installation...
Do I need AC charge?
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