Donovan & Jorgenson | Experienced HVAC Repair in New Berlin, WI
16935 W Greenfield Ave, New Berlin, WI 53151.0
Local Business Description
Since 1985, Donovan & Jorgenson has been a trusted name for heating and cooling solutions in New Berlin and throughout Southeastern Wisconsin. As an employee-owned company, our NATE-certified technicians take a personal stake in every job, whether it's a complex HVAC installation, a critical repair, or routine preventative maintenance. We understand the specific demands of Wisconsin's climate and are committed to keeping homes and businesses comfortable with reliable, energy-efficient systems. Available 24/7 for emergencies, we combine decades of local experience with a focus on clear communication and customer service.
Business Offerings
- HVAC system repair
- HVAC installation or replacement
- HVAC system maintenance
Questions and Answers
What does NATE-certification mean for my HVAC service in New Berlin?
NATE (North American Technician Excellence) certification is the industry standard for technician competency. When our NATE-certified technicians service your furnace, boiler, or air conditioner, you're receiving a diagnosis and repair from a professional who has proven their knowledge on rigorous, real-world tests. This expertise is especially valuable for complex installations and ensuring your system runs efficiently through our harsh Wisconsin winters and humid summers.
My heat pump is freezing up in the New Berlin cold. Can you help?
Absolutely. Frozen heat pump components are a common issue during Wisconsin's deep freezes, often caused by refrigerant issues, airflow restrictions, or defrost cycle malfunctions. Our technicians are trained to safely diagnose the root cause—whether it's a faulty sensor, low refrigerant, or a dirty coil—and perform the necessary repair to restore efficient operation and prevent future freeze-ups, protecting your system from damage.
Why is preventative maintenance important for my Wisconsin HVAC system?
Regular maintenance is crucial for the longevity and efficiency of your system, given our extreme temperature swings. Our maintenance service includes cleaning, inspection, and calibration of components like your furnace heat exchanger and AC condenser. This proactive care helps prevent mid-winter breakdowns, maintains energy efficiency to manage utility costs, and often identifies small issues before they become major, costly repairs.
Business Location & Hours
| Mon: | 7:30 AM - 5:00 PM |
| Tue: | 7:30 AM - 5:00 PM |
| Wed: | 7:30 AM - 5:00 PM |
| Thu: | 7:30 AM - 5:00 PM |
| Fri: | 7:30 AM - 5:00 PM |
| Sat: | 7:30 AM - 12:00 PM |
| Sun: | Closed |

























