Installed the right way, flexible duct is a great ventilation product for a great many applications. Sometimes, however, hurried installations create poor-quality results - as they can for any HVACR ...

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 ...