Whether looking to buy new heating and cooling products or have yours serviced, GSM can help. GSM is a proud dealer of Bryant® Heating and Cooling Products and has been for over 75 years.

With over 100 years of experience passed down from generation to generation, the company has been recognized as one of the best residential and commercial HVAC system installation and servicing companies in Minnesota.

GSM sells a variety of Bryant products to keep your home comfortable:

  • Air Conditioners
  • Furnaces
  • Ductless Systems
  • Air Purifiers & Filters
  • Humidifiers
  • Dehumidifiers
  • Fireplaces
  • And More!
Contact GSM
Heating & cooliing system types.
Bryant Heating & Cooling Systems logo.

Service & Repair HVAC Equipment

In addition to selling and installing Bryant products, GSM can service and repair all brands of HVAC equipment. The company strives to ensure that all of its customers have systems that run smoothly and enable them to remain comfortable in their home, regardless of the system’s brand.

Our Knowledgeable Team

To ensure that you receive the most knowledgeable service when shopping for heating and cooling products or having them serviced, GSM has its team attend annual training to stay current in the industry and maintain their North American Technician Excellence (NATE) and Manufacturer Installation & Service Standards.

The company is also Healthy Air & Indoor Air Quality Certified and a recognized member of Bryant’s Circle of Champions.

Meet the GSM Team
Bryant Circle Of Champions Logo

GSM, Trusted Since 1904

GSM has been providing quality service across southern Minnesota since 1904. With over 75 years of experience installing Bryant Heating & Cooling Systems and servicing all brands, you can be sure that GSM will have your system working perfectly.

A trusted source for all things HVAC, GSM strives to provide you with friendly, knowledgeable service.