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 ...
Commercial rooftop units, or RTUs, typically last 15-20 years, as long as they’re properly serviced and maintained. In fact, HVAC contractors in different climates and regions all over the U.S. agree ...
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