Copper Line Set Care to Prevent Leaks and Corrosion

Introduction The refrigerant gauge pegged near zero. On a rooftop in late July, sweat beading under a blazing Gulf sun, I pulled back a sun-cracked jacket and found the culprit: a ac copper line set pinhole on the suction line—right where UV had chewed through flimsy insulation and the copper beneath had started to corrode. That failure didn’t just mini split copper line set dump refrigerant