Rooftop Unit Services
| Wiersgalla Co. Plumbing & Heating
Reliable Rooftop HVAC Services for Homes and Businesses
At Wiersgalla, we provide expert rooftop unit services for both residential and commercial buildings. Whether you’re maintaining an existing system or replacing an old unit, our certified technicians are ready to help with fast, reliable service. We offer repair, replacement, and seasonal maintenance with availability 24 hours a day, 365 days a year, so your system stays up and running when you need it most.
Rooftop Unit Repair and Replacement
Rooftop units are vital for efficient heating and cooling in large spaces. If your system is aging or not operating at peak performance, Wiersgalla can help with professional repairs or a full system replacement.
Our rooftop unit services include:
- Heat Exchanger Replacement
- Motor Replacement
- Switch Diagnosis and Replacement
- Gas Delivery Pressure Testing
- Seasonal Check and Clean Service
- Filter Changes and Routine Maintenance
Whether you need a small part replaced or a new system installed, our team ensures minimal disruption and maximum efficiency.
 Chippewa Valley 715.839.0707 |
Rice Lake 715.236.2102 |
Spooner 715.635.7100 |
Toll Free 1.800.307.9000 |
• Chippewa Valley | 715.839.0707
• Rice Lake | 715.236.2102
• Spooner | 715.635.7100
• Toll Free | 1.800.307.9000
Brands You Can Trust
We work with all major brands to give our customers the best rooftop HVAC solutions on the market. These include:
- Lennox
- Carrier
- Trane
- Daikin
- York
- Ruud
- Comfortmaker
- IONN
- And many more
No matter what brand your current system is, our experienced team has the expertise to service it.
Seasonal Maintenance for Peak Performance
Regular maintenance is essential for extending the life of your rooftop unit and avoiding costly repairs. Our seasonal maintenance program includes filter changes, especially important after the trees have finished going to seed, as well as thorough system inspections and cleanings. Contact our service department to schedule a check-up and keep your rooftop unit performing at its best all year long.
24/7 Emergency Rooftop Unit Service
If your rooftop unit goes down during extreme temperatures, you need immediate help. Wiersgalla offers 24/7 emergency service, so you’re never left waiting. Our technicians arrive quickly, provide upfront quotes, and work efficiently to get your system back online—no matter the day or time.
*Please note: An extra fee will be assessed at the time of service. A quote for service will be provided over the phone by a technician prior to our visit.
Warranties for Confidence and Protection
We stand behind the quality of our equipment and workmanship. All rooftop units and parts come with manufacturer warranties, and our installations are supported by Wiersgalla’s company warranties, providing extra peace of mind with every project.
Need rooftop unit service or replacement? Contact Wiersgalla today to schedule your appointment!