My Norcold runs almost constantly when it's 90 or so, but not so much at 70. You might check that the airflow around the unit is not restricted. Some folks add a small computer type fan to help airflow, and it probably would help, I've never got around to it. According to my battery monitor when the unit runs it uses about 7 amps..
Another option may be to add a small battery operated fan on the inside. I might do that just to see if it helps.
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Tim
Tampa Bay
Carver 355 ACMY Twin Cummins Diesels Sold
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