OverviewRooftop HVAC units are packaged air handling and conditioning systems designed for commercial buildings. They deliver ventilation, heating and cooling from rooftop installation to free indoor floor space and centralize climate control for single- or multi-zone applications.
Installation & UseInstalled on building roofs, these units are suitable for one- to eight-story commercial properties. Configurations include single-zone rooftop units, multi-zone rooftop systems and make-up-air units that treat only outside (fresh) air for supply to the building.
How They WorkOutdoor air is blended with return air, then filtered and conditioned (cooling, dehumidification or heating) before being supplied to occupied zones. Integrated ventilation and conditioning maintain indoor air quality and thermal comfort.
Energy & Heating OptionsHeating sources include natural gas, electric resistance, hot water, steam and heat pumps. Efficiency features may include inverter compressors, beltless ECM fans and energy recovery wheels to reduce operating costs and improve maintainability.
Common applications- Education facilities
- Data centers
- Healthcare buildings
- Office buildings
- Manufacturing plants
Representative product families & capacities- Rebel Applied® Heating & Cooling — 20 to 160 Tons
- Rebel® Heat Pump & Cooling — 3 to 31 Tons
- Maverick® II Heating & Cooling — 30 to 50 Tons
- Rooftop Air Handlers — rooftop-configured air handling units
Industry-leading technologies- Variable-speed inverter compressors
- Variable-speed heat pump systems
- Direct-drive fans with variable-speed ECM or VFD motors
- Energy recovery wheels
- Outdoor air monitoring sensors
- Modulating hot-gas reheat
- MicroTech® III controls
- SiteLine™ building controls integration
Specifications / Technical data- Installation: rooftop-mounted, suitable for one- to eight-story buildings
- Capacity ranges: examples across product families from 3 to 160 Tons
- Air handling: mixed outdoor and return air, filtration and conditioning (cooling, dehumidifying, heating)
- Heating options: natural gas, electric, hot water, steam, heat pump
- Efficiency features: inverter compressors, ECM fans, energy recovery
- Controls: integrated unit and building-level controls (MicroTech® III, SiteLine™)
- Applications: single-zone, multi-zone or make-up air configurations