Sep 8, 2026
How Much Does HVAC Replacement Cost? (2026 Cost Guide)
Reading Time About 16 Min
G
Commercial HVAC
GSM, Inc.
VerifiedEstablished · 122 yrs
4.1(70 reviews)•Commercial•Serving New Ulm, MN
EPANATE
A company offering commercial HVAC repair, service, plumbing, heating, and cooling solutions in Minnesota.
GSM, Inc. is a commercial HVAC contractor based in New Ulm, MN. Services listed include commercial HVAC repair, commercial HVAC service and cooling services. 122 years in business and emergency service available.
122
Years in Business
Yes
Emergency Service
New Ulm, MN
Service Area
Services Offered
Customer Sentiment Summary
Strengths
- Technical depth stands out: 14 reviewers credit the crew with a correct diagnosis and a clean repair.
- Crews carry themselves professionally — 10 reviewers single out polite, respectful technicians.
- 9 reviewers describe the technicians as personable and pleasant to deal with.
Areas to Watch
- Nothing negative recurs across the 53 reviews analysed — no single complaint came up often enough to flag.
Reviews from Best HVAC visitors
No Best HVAC reviews yet
Been a customer of GSM, Inc.? Be the first to rate them.
Get Your HVAC Business Listed
Want to put your heating and cooling company in front of local homeowners and businesses actively searching for reliable HVAC services? Claim your spot and connect with high-intent customers in your area.
Get Featured
Blog / News
View all articles HVAC Tips, Guides & Industry News
Sep 7, 2026
Why Does My Thermostat Screen Go Blank?
Reading Time About 6 Min
Sep 6, 2026
How to Clean AC Condenser Coils Safely
Reading Time About 7 Min
Sep 3, 2026
AC Blowing Warm Air? Common Causes and Fixes
Reading Time About 6 Min
FAQ
Contact Our TeamFrequently Asked Questions
Have another question? Our team is here to help.
GSM, Inc. lists commercial HVAC repair, commercial HVAC service and cooling services. Contact them to confirm they handle your specific job.
GSM, Inc. is based in New Ulm, MN.
Yes, GSM, Inc. lists emergency service. Call them directly for urgent heating or cooling repairs.
Use the call button, website link or contact details on this page to reach the company directly.
Get in touch and we will keep your listing details accurate and add photos.