Refrigeration Systems
Engineering. Installation. Service.
Since 1935, Carlson & Stewart has provided refrigeration systems to industrial and commercial clients throughout the Midwest. Today, we lead the way in innovation, design and workmanship, backed by a long-standing tradition of service on which our clients rely.

3 LOCATIONS: Marshall, Minnesota | Sauk Rapids, Minnesota | Sioux Falls, South Dakota
Serving clients throughout the Midwest

Industrial Refrigeration

We provide ammonia refrigeration installation and service to small, medium and large businesses. From process rooms to low-temperature ice cream cooling, if you need to keep it cold – efficiently and cost-effectively - we’re there to help.

Commercial Refrigeration

Whether you need a single case, a custom system for a several-thousand square-foot supermarket or something in between, we offer the latest in design, equipment and controls that fit your space and match your long-term business needs.

Preventive Maintenance and Monitoring

Carlson & Stewart is dedicated to protecting your system investment. That’s why we offer preventive maintenance packages, expert consultation and remote monitoring services to make sure your system is at peak performance - always.

Featured Success Story

Greg McDowell, Service Coordinator:  After making some customer survey calls this morning to several Sioux Falls customers, I wanted to share the conversation I had with Tony, the manager of the Jone's Food Store in Parker, SD.  Corey was there on a...