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DR Larson Heating & Cooling Services
At D.R. Larson Co. we provide complete heating, cooling, and indoor air quality solutions to keep Wisconsin homes and businesses comfortable year-round. From routine maintenance to emergency repairs, our technicians deliver reliable service you can trust.
24/7 Service
D.R. Larson Co. offers reliable 24/7 HVAC repair to keep your home or business safe and comfortable—day or night. Whether your furnace stops working during a freezing Wisconsin winter or your air conditioner breaks down on a hot summer weekend, our technicians are ready to respond quickly and get your system back up and running.
Maintenance
Regular HVAC maintenance is the key to reliable performance, lower energy bills, and longer system life. We provide thorough inspections and tune-ups to keep your heating and cooling systems running efficiently through Wisconsin’s changing seasons. Routine maintenance helps prevent unexpected breakdowns, improves indoor comfort, and ensures your system is ready when you need it most.
Duct Cleaning
We offer professional duct cleaning and sanitizing services to improve indoor air quality, increase HVAC efficiency, and create a healthier living environment. Clean ducts help your system breathe easier, reduce unwanted odors, and support consistent airflow year-round. (Houses must be inspected and estimated on site)
Installations & Estimates
We make estimates and installations simple from start to finish. Our team will walk you through your options, answer your questions, and provide a clear, upfront estimate on site so you know exactly what to expect. From small gas piping jobs to full HVAC installs, no job is too big or too small. When it’s time to install, our technicians show up on time, work efficiently, and make sure everything is done right so your system runs safely, smoothly, and is ready for Wisconsin weather. 