A new series of 20- to 60-ton WeatherMaker large rooftop (LRT) air conditioning units, the WeatherMaker LRT Series, uses Puron refrigerant and exceeds ASHRAE 90.1-2007 efficiency requirements.
WASHINGTON, D.C. — Carrier is recalling WeatherExpert commercial packaged rooftop HVAC units with the humidimizer option due to a potential fire hazard, according to the U.S. Consumer Protection ...
Centurionâ„¢ rooftop units are available in 12.5-, 15-, 18-, 20-, and 25-nominal ton capacities. They have independent, dual, or triple refrigerant circuits with thermal expansion valves. Each unit ...