Best Heating & Air Conditioning / HVAC In Spearfish

“Quick and efficient. Fabricated replacement duct and installed it in an old house. (Remodeling old houses can be a challenge.)“

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“Great service, when they say they'll they to get to you asap they mean it. Called in at 830 am in a Friday once and had the issue fixed by noon even though there was another person on the schedule for the day.“

“Mitch came to fix my home furnace which had been out of service for several days after a power outage. I had called six other businesses and they either did not service "modular homes" or weren't available till a much later time.
Mitch was prompt, he was courteous, and thorough! He not only fixed the damaged piece on the furnace, but he changed the furnace filters, and replaced the old thermostat with a more up to date one which was wonderful.
I was expecting a much higher bill. But because he knew what he was doing, he was in and out quickly and efficiently.
I've already shared his name with some friends and family for "just in case"!
Thank you J & M Mechanical, for your help today!
Mel W.“

“Dave and Brett came to address some pressure issues and a missing faucet handle - and, as always, they arrived on time, were perfectly professional in our home and in our interactions - and we love them! We may have to dream up plumbing problems so we can see them again. Wolff's has been absolutely terrific to us.“