Recent technological advancements in HVAC manufacturing have made dedicated outdoor air systems (DOAS) easier to specify and install for contractors. When rooftop units (RTU) from the 1980s and 1990s ...
The Retro-mate® adapters offer a fast, cost-effective method of replacing rooftop HVAC units, according to the company. The old rooftop unit is removed, and then the Retro-mate is installed on top of ...
PITTSBURGH, May 26, 2022 /PRNewswire/ -- "I'm an HVAC contractor and I thought there could be a safe and time-saving way to replace and rotate equipment on a rooftop," said an inventor, from Commerce ...
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