Rooftop HVAC Unit Repair & Installation in Philadelphia
Rooftop HVAC units (often called RTUs) are self-contained systems that handle heating, cooling, and air circulation for a building—all in one box mounted on the roof. They're one of the most common types of HVAC systems used in commercial buildings.
As such, when they fail, your entire business can be affected. Give us a call at Polar Mechanical to ensure this doesn't happen. We provide expert rooftop HVAC unit services to keep your system running efficiently.
RTU Services We Provide
- Rooftop unit repair
- RTU installation
- System replacement
- Preventative maintenance
Common RTU Issues
As with all HVAC systems, RTU's are prone to several major issues, including:
- Poor airflow
- Inconsistent temperatures
- System short cycling
- Electrical issues
Complete HVAC System Support
We also service:
- VRV / VRF Systems
- Commercial Boilers & Furnaces
- Ventilation & Humidity Control Systems
Explore our full Commercial HVAC Services.
Frequently Asked Questions
What is a rooftop HVAC unit (RTU)?
An RTU is a self-contained heating and cooling system installed on the roof of commercial buildings.
How long do rooftop units last?
Most RTUs last 10–15 years with proper maintenance.
What are signs an RTU needs repair?
Uneven temperatures, strange noises, and high energy bills are common indicators.
Do you install new rooftop HVAC systems?
Yes, we provide full RTU installation and replacement services.
Can maintenance extend the life of an RTU?
Yes, regular maintenance helps prevent breakdowns and extends system lifespan.
