NO-LEAK POLICY: Here, a technician performs a leakage test. While some leakage was once commonly chalked up to heating the basement a little bit, those days are gone. “Now,” says Hank Artlip, “if you ...

The phone rings and it’s the general contractor from a job where you performed ductwork fabrication and installation over four months ago. He says the ductwork needs to be cleaned before the system ...