The seismic curbs for rooftop HVAC units are specifically designed to withstand severe wind loads and seismic activity. Each curb is manufactured to the seismic design criteria required by the ...
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 ...
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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