What Are The Advantages of Rooftop Air Handlers?

What are the advantages of rooftop air handlers?

Rooftop air handlers (RTUs) offer key advantages centered on space efficiency, installation simplicity, and minimal indoor disruption—making them ideal for commercial buildings.

1. Maximizes Valuable Indoor & Ground Space

RTUs are installed on rooftops, which are typically underutilized areas. This eliminates the need to occupy indoor square footage (like utility rooms or basements) or ground space (such as parking lots or building perimeters) that could be used for revenue-generating or functional purposes.

Critical for dense urban areas or commercial buildings (e.g., malls, offices) where space is at a premium.

2. Reduces Indoor Noise & Disruption

All operational components of an RTU (fans, compressors, blowers) are located outside the building. This keeps mechanical noise away from indoor occupants, creating a quieter, more comfortable environment for work, shopping, or learning.

Avoids the hum or vibration that indoor air handlers might transmit to occupied spaces.

3. Simplifies Installation & Maintenance for Large Buildings

RTUs are self-contained units, meaning all heating, cooling, and air distribution components are pre-assembled in one system. This streamlines installation, especially for large commercial buildings that require centralized climate control.

Maintenance is also more efficient: technicians can service the unit on the rooftop without entering occupied indoor areas, reducing disruptions to business operations.

4. Improves Air Distribution & Zoning

RTUs are designed to connect directly to a building’s ductwork system, which is often routed through ceilings. This proximity allows for more efficient distribution of conditioned air to multiple zones (e.g., different floors or office suites) within the building.

Easier to balance airflow across large spaces compared to scattered indoor units.

5. Weather-Resistant Design Ensures Durability

RTUs are built with heavy-duty, weather-sealed casings that protect internal components from rain, snow, wind, and extreme temperatures. This rugged design reduces wear and tear from outdoor elements, extending the unit’s lifespan with proper maintenance.