Rooftop HVAC equipment provides enticing features for the design engineer and cost advantages for the owner. Fans, ventilation equipment, a heat source, compressors, condenser, and controls are ...

According to the U.S. Department of Energy (DOE), packaged rooftop units (RTUs) are used in 46 percent (2.1 million) of all commercial buildings, serving more than 60 percent (39 billion square feet) ...

Putting new super-efficient rooftop HVAC units in broad use would be about equal to taking 700,000 cars off the road each year in terms of saved energy and reduced pollution, according to a new study.