
Why Active Heating
Active in Your Home. Active in Your Business. Active in Your Community.
At Active Heating, putting customers first isn’t just something we say - it’s how we operate every single day. For us, it starts with Safety First, continues through honest communication and Trust, and shows up in the way our team works Stronger Together to deliver dependable, high-quality service you can count on.
We proudly stand behind every project, every service call, and every installation. Whether you need us today or years from now, you can expect friendly, reliable support and a true Commitment to Excellence from start to finish.
To ensure you always receive the best, our technicians complete yearly continuing education on the latest equipment, installation practices, and service standards. This dedication has earned us the distinction of being Certified Comfort Experts for Coleman heating and cooling systems - meaning top-tier installations, trusted service, and total peace of mind for your home or business.
For more than 40 years, we’ve been honored to serve the Watertown and Brookings communities with dependable heating, cooling, plumbing, air quality, and water quality solutions. We believe in Serving One Another - our customers, our coworkers, and our communities - because that’s what being a truly local company is all about.
When you choose Active Heating, you’re choosing a team that cares, shows up, and does things the right way - today and for years to come.
With Active Heating, you and your family are always in good hands today and for years to come.





Active in our
Communities
We’re Proud to Support Our Community
At Active Heating, Inc., caring for our community is at the heart of what we do. We’re committed to giving back, lifting others up, and investing in the people and places that make Watertown and Brookings home. Here are just a few ways we stay involved:
Active in the Fight Against Cancer
Our annual Pink Furnace Raffle supports the Codington County Cares Cancer Foundation.
Over $70,000 raised in the past 8 years!
Watertown Boys & Girls Club
A financial pledge toward the construction of their new facility, helping create a stronger future for local youth.
Watertown Development Company
Proud member and supporter, contributing to continued community growth and development.
Active Heating Sports Zone
A dedicated space at the Prairie Lakes Wellness Center, encouraging active, healthy lifestyles for all ages.
Warriors Never Give Up
Annual fishing trip sponsorship to honor and support our veterans.
After the Rounds
Active Heating and Gray Construction Host Benefit Golf Tournament to support those who have finished their rounds of treatment, fighting a life treating illness and are still burdened by lingering financial strain.
And So Much More
From youth sports teams and church events to veteran programs and local fundraisers - we’re always excited to lend a hand.

Expect More From Your HVAC and Plumbing Company
Co-Owners

Jason Roehrich
Jason earned his HVAC degree from Southeast Technical Institute and began his career at Active Heating as a service technician and project foreman, building a strong technical foundation early on.
Today, he focuses on commercial and residential estimating and full project management.
Jason is active in the community through the Watertown Lions Club and the Codington County Pro Pheasants Board of Directors, and he is also a member of Holy Name Parish.
When he’s off the clock, Jason enjoys fishing, hunting, golfing, and spending time with his family - Valerie, Brynn, and Faith.

Dustin Flatten
Dustin graduated from Augustana College with degrees in Professional Accountancy and Business Administration. Before joining Active Heating, he worked as a CPA specializing in business and personal taxation experience that strengthens the way he leads our team.
He’s committed to improving service for our customers, supporting our employees, and giving back to the community. Dustin serves on the Boards of Directors for the Watertown Development Company and the Watertown Baseball Association, and is a member of the Watertown Rotary and Holy Name Parish.
Outside of work, he enjoys coaching youth baseball, hunting, and spending time with his family—Jenny, Max, and Wilkes.

Eric Miles
Eric earned his associate’s degree in Utilities Technology from Mitchell Technical Institute and has worked in the plumbing and heating industry since 2005. Before joining Active Heating, he served as a project foreman, leading both commercial and residential projects.
As part owner of the plumbing division, he focuses on estimating, project management, and supporting field work when needed. Eric is a member of PWGC and has volunteered as a youth baseball and flag football coach.
Outside of work, he enjoys time with his family, hunting, fishing, and golf. Eric and his wife, Angela, have four boys -Brekken, Briggs, Brogan, and Bridger.
Founder

Don Roehrich
Don founded Active Heating, Inc. in 1978 after earning his HVAC degree from Wahpeton Community College and gaining hands-on experience as a service technician. His decades of leadership and expertise helped shape Active Heating into the trusted company it is today, with experience spanning commercial HVAC, residential design, installation, and service.
Deeply committed to the communities we serve, Don has been involved with the Watertown Development Company Board of Directors, Holy Name Parish, and several civic organizations over the years.
Now retired, Don enjoys spending his time hunting, fishing, traveling, and being with his wife, Janet, along with their children and grandchildren.

We’ve Got the Right Person for the Job
Skip the stress. Choose a team built on safety, trust, teamwork, and service.


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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