Photos from American Sheet Metal, Connie Lange
“We had a new furnace installed yesterday and today we had natural gas heater installed in our garage. Both installations were done professionally and currently are working great. What I appreciated w…”
“I have been a customer of American Sheet Metal for several years. Each fall they clean and check my furnace and air conditioning systems. They used to do it in the spring and fall, but after the secon…”
“Andrew and American Sheet Metal were great to work with. We added a whole house humidifier and a fan for the gas fireplace. Andrew the installer did a great job. Andrew kept us informed on what he was…”
“In speaking with Kim and Koy, I felt I was a part of the family! They were very professional, helpful and had my better interest. Their communication and follow through was awesome.”
“Andrew was excellent: he fixed and cleaned our gas fireplace: it has never worked and looked this good!! I highly recommend American Sheet Metal for ALL things heating and cooling!”
American Sheet Metal provides: HVAC diagnosis, repairs, and full system installs. They serve residential and commercial customers in Helena, MT.
American Sheet Metal has a 5.0 out of 5 star rating based on 336 Google reviews.
All listed providers have a verified Montana contractor license at time of publication. You can verify on the Montana Department of Labor & Industry — Independent Contractor / Construction Contractor Registration and Building Codes Bureau lookup at https://ebiz.mt.gov/POL/Default.aspx.
Contact them directly to ask about emergency availability and after-hours service.
Use the CTA below to submit your ZIP. You can message this company alongside two or three other local pros for easy comparison.
Licensing verified 2026-04-23. Reviews refreshed 2026-04-23.
Licensing data: Montana Department of Labor & Industry — Independent Contractor / Construction Contractor Registration and Building Codes Bureau · Company data: verified business records + Google Business profile
See our editorial standardsReport inaccurate info about American Sheet Metal
Enter your ZIP and we will line up a free estimate alongside other top local pros.