In this troubleshooting situation, the customer has called to report a “no heat” problem. The equipment is a 5-ton, 230 VAC single-stage gas/electric package unit that employs an integrated furnace ...

The phrase “out of sight, out of mind” may as cliché as the day is long, but when HVAC contractors were asked to share their maintenance tips for rooftop units, the overused expression popped up again ...