HVAC & Plumbing Services in Watertown & Brookings, SD
Choose Active Heating
for Safe, Reliable Home Comfort
Your Local Comfort Experts - Proudly Serving Watertown & Brookings for Over 40 Years
Active in Your Home.
Active in Your Business.
Active in Your Community.
Trusted HVAC & Plumbing
The Active Heating Promise
We put safety first and craftsmanship into every system we install or repair delivering trusted service and lasting comfort for the communities we serve.
Fast Response. Reliable Service.
From broken furnaces to plumbing leaks, our team responds quickly to keep your home or business running smoothly.
Professional & Knowledgeable Team
Our technicians are highly trained, professional, and dedicated to getting the job done right. We bring expertise and care to every job, big or small.
Book at Your Convenience
We are here to help when you need us. Contact us to book your appointment for heating, cooling, or plumbing services.
Local Professional Here to Serve You
Join the Comfort Club for Peace of Mind
We are committed to providing our clients with peace of mind regarding their home's mechanical systems. Our Comfort Club offers numerous benefits to ensure your home stays comfortable all year long.
Committed to Your Satisfaction
Built on HVAC & Plumbing Expertise
At Active Heating Inc., we provide expert heating, cooling, plumbing, and indoor air quality services you can trust. From furnace replacements and plumbing repairs to radon testing, every job is done with quality craftsmanship and proven expertise. Our technicians take the time to explain the issue and ensure your comfort every step of the way.
Read What Our Customers Are Saying
Jessica Johnson
"Active Heating did a fantastic job replacing our furnace. We found them to be professional, efficient, and knowledgeable. Cory did a fantastic job with the financing, and Dell gave great maintenance advice. Outstanding team!"
Build Your Career with Active Heating
Join Northeast South Dakota’s Most Trusted Team
At Active Heating Inc., we believe great work starts with great people. From experienced HVAC technicians and plumbers to those beginning their journey in the trades, we provide a supportive, team-driven environment where you can build a career you’re proud of.
Comfort Now, Pay Over Time
Applying is quick, secure, and designed to keep your comfort moving forward.
Don’t put off important repairs or upgrades. Our flexible financing options make heating, cooling, and plumbing projects easier to afford - with quick approvals and easy monthly payments.
24/7 Emergency
Heating & Cooling,
and Plumbing Service
When emergencies happen, you don’t have to wait.
Fast response times
Licensed & experienced technicians
Local team you can trust
Our Watertown and Brookings service area team is on call day and night to restore comfort fast - whether it’s no heat, a burst pipe, or an unexpected breakdown. One call connects you with real people who are ready to help.
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Active Heating provides expert residential and commercial HVAC and plumbing repair, installation, and maintenance services throughout Watertown, Brookings, and the surrounding communities.
Watertown
(605) 882-2663
151 N. Maple
Watertown, SD 57201
24/7 Emergency Service Available
Office Hours
Monday – Thursday | 8AM – 5PM
Friday | 8AM – 4PM
Brookings
(605) 692-4241
3024 Prince Drive
Brookings, SD 57006
24/7 Emergency Service Available
Office Hours
Monday – Thursday | 8AM – 5PM
Friday | 8AM – 4PM
Service Areas
Watertown
Brookings
Milbank
Volga
Webster
Clear Lake
Clark
De Smet
Arlington
Estelline
Lake Norden
Heating
Furnace
Heat Pumps
Gas Fireplace Repair
Boilers
Geothermal Heat Pumps
Radiant Floor Heat
Boilers
Cooling
Air Conditioning Installation
Air Conditioning Repair
Air Conditioning Replacement
Ductless Systems
Plumbing
General Repairs
Water Heaters
Tankless Water Heaters
Garbage Disposals
Sump Pumps
Water Line Piping
Gas Piping
Indoor Air Quality
Air Cleaners
Radon Testing
Humidification
De-Humidification
Air Exchangers