Why Active Heating
At Active Heating, putting customers first isn’t a slogan - it’s who we are. We stand behind every project, every service call, and every install. When you need us, now or years down the road, we’ll be here with friendly,
reliable support every step of the way.
To make sure you always get the best, our team completes yearly continuing education on the latest equipment, installation practices, and service standards. This ongoing training earns us the distinction of being Certified Comfort Experts for Coleman heating and cooling systems. What that means for you: top-tier installations, trusted service, and total peace of mind knowing your home’s comfort is handled by true professionals.
For more than 40 years, we’ve proudly served the Watertown and Brookings communities with dependable heating, cooling, and plumbing solutions. Quality, value, and care for our neighbors are at the heart of everything we do. Whether it’s HVAC, air quality, or plumbing support, our skilled team is ready to jump in with quick response times and exceptional customer care.
With Active Heating, you and your family are always in good hands today and for years to come.
Active in the Community
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.
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.
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.
Founder
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.
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.