About GSM, Inc.

GSM, Inc. is a family-owned business based in New Ulm, MN, serving a five-state region since 1904. As the oldest roofing and HVAC business in southern Minnesota, GSM offers a wide range of products and services, including appliances, kitchen and bathroom fixtures, heating and cooling, plumbing, and commercial flat roofing. The company is known for its honesty, responsiveness, and integrity, with a team that is always willing to go the extra mile. Customers have praised the company's exceptional customer service and professional technicians. The team at GSM Appliance was described as "super," taking the time to guide customers through the showroom and help them find the perfect appliances for their needs. The delivery service was also highly commended, with the team being efficient, respectful, and taking the time to explain the features of the new appliances. One customer had a positive experience with the prompt delivery of their refrigerator, even on the day before the Fourth of July. Another customer was impressed with the team's response to a water line break, having the necessary equipment and excavators lined up within two weeks during the busy summer season. Overall, GSM, Inc. has earned a reputation for its commitment to customer satisfaction, with a team of knowledgeable and dedicated professionals.

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Reviews for GSM, Inc.

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  • Jul 2026

    Troy and his team are fantastic!! Jumped in the shower the other day to freezing cold water. After looking for replacements, many companies told us a week out wait time. I Had a conversation with Troy. He was professional, straightforward and very clear around the process. He got our water heater fixed the same day. Straight up amazing service!! Not only did they fix it, but they also looked into our prior water heaters warranty and save this money. Fantastic company. I highly recommend!

  • Jun 2026

    GSM was incredible to work with! They are always highly recommended around town, so they were the first ones we called to scope a sewer line and quote work. They came in $8,000 below another company in the area, who quoted us work that didn't need to be done. GSM is honest, timely, and easy to work with.

  • May 2026

    Great business with very helpful and knowledgeable technicians. Steven was great! Fast and fixed our dishwasher in no time thank you GSM!

Hours

Monday: Open 24 hoursTuesday: Open 24 hoursWednesday: Open 24 hoursThursday: Open 24 hoursFriday: Open 24 hoursSaturday: Open 24 hoursSunday: Open 24 hours

Tips

accepts credit cards open to all

Location

1500 North Front Street, New Ulm

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