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Brian Grannemann Services Inc logo
Warm evening light on a brick home in Hermann, Missouri

Customer Reviews

Brian Grannemann Services has a 4.7-star rating from 15 reviews on Google, checked in November 2026. Below are the written reviews we have on file, word for word, including the critical one.

“During one of the coldest days in decades, and with fresh snow falling, Brian came out to our house this evening to repair our faulty furnace so we would have heat. He didn't hesitate to make the trip out. Cannot express how much we appreciate his efforts and care. I highly recommend his company for your HVAC needs. Thank you!”
Jo M. · Google review, 7 years ago
“Hot water heater went out and Brian worked with us to help us find the correct replacement parts, and the repair process. He is knowledgeable, reliable and very responsive. He came out saw that we needed one more possible part and said he wouldn’t charge us labor until the water heater was up and running. We got the right parts he came out to install and had us up and running! We will definitely rely on him again for any future issues with HVAC, water heater, and or plumbing issues! It’s so nice to have hot water again!”
Rachel D. · Google review, 2 years ago
“I can’t say Thank you enough to this company!! Our Hot water heater went out on the coldest day and he had me a new one ready and installed the next morning!! They treat you like family!!”
Misty R. · Google review, a year ago
“I can’t say enough good about Brian and his company. They are my go to guy’s. I’ve had them work for me about a half dozen times now. No need to look elsewhere. They are fair and responsive to your needs.”
Weber S. · Google review, 3 years ago
“Brian consistently shows up when promised, completes the work correctly the first time, and provides quality products. I cannot recommend him more highly.”
Stephanie H. · Google review, 9 years ago
“This is a great company with great customer service. They have always been very professional and do awesome work. I HIGHLY recommend them”
Nick P. · Google review, 5 years ago
“Does a great job very thorough and uses every safety precautions to protect his clients because he cares about the safety of his clients and not just out to get the money”
Donna M. · Google review, 5 years ago
“They are who I will call again and recommend to anyone who needs their services..”
Rene B. · Google review, a year ago
“Quick and great response to air conditioning repair.”
Google reviewer · Google review, 7 years ago
“Helped me out in a pinch when no one else would”
Curtis A. · Google review, 5 years ago
“I called 2 or 3 times across a week and a half. I got the receptionist each time, and explained the problem with my fridge. I was told each time that the guy who could help would call me back. I never heard back and had to take my business elsewhere.”
Amelia F. · Google review, 2 years ago

About these reviews

These reviews come from our Google Business Profile. We show first names and last initials. The review ages are as Google displayed them in November 2026. Three other Google reviews were left without any written text, so there is nothing to quote, and one is not about our work.

For the live count and every review, including star ratings, see our Google listing. Our business profiles are also on Facebook and Yelp.

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