Always On Time
Cottleville HVAC Services
One Hour Heating & Air Conditioning® Serving Cottleville
4.82
We Have a Reputation
For Being Punctual, Friendly and Knowledgeable
4.82
william sabanosh
in the last week
“Had 1 hour hearing and air conditioning come out because of a no heat issue in our new house. Landon and Jamie were the 2 techs that figured out the issue quickly and the heat turned on. I would recommend One Hour for your service.”
Lisa Neily
in the last week
“They have been awesome! They dropped off a space heater because my replacement furnace won’t be installed until 12/16. Hopefully sooner 🤞🏻”
Xavier Mercado
in the last week
“Albert was a great HVAC Technician. He diagnosed the issues quickly and finished the repair in less than an hour. He was knowledgeable and honest about the service required. He changed out the capacitor and the flush switch and gave the air handler an anti-bacterial treatment. He left the area very clean, flushed my drain pipe, and my A/C is no longer leaking. Very grateful for a solid, fast service!”
RANETTE BRILL
in the last week
“James S. is very detailed and hardworking HVAC Technician! He is very knowledgeable, professional, and patient. He answered all our questions and took pictures of our concerns and before and after his job. He was here working late last Wednesday before Thanksgiving but we have to have him do additional work today as he found more damaged ducts that the previous technician missed to address. So we decided to get James S. to do the whole ductwork repair and install. He is young but his work ethic is commendable! He is very courteous as well! Yesterday was the 3rd day for James S to finish up the job and I requested for him to have a helper. Duggan gave us Will L to assist. James S training Will produced a clean job. James and Will are respectful, well-mannered, and trustworthy young men and they know their jobs. We are breathing clean air now. Thank you very much James S. and Will L. Thank you Duggan and office personnel (Leanne, Christina, and Jenny too) for giving us skilled techs and trustworthy techs. Happy Holidays 2025.”
Susan Snider
in the last week
“Zac is a great technician and repairman. We have had him provide service a few times and he always thoroughly explains the issue with us and takes care of our system. We plan to ask for him next time we need help.”
D
in the last week
“My furnace suddenly started blowing cold air. I chose Mitchell’s One Hour due to the great reviews. The young lady who took my call and Brian (the tech) did not disappoint! I wish I could remember her name, but the Customer Service rep scheduled me for a same day appointment, explained their process, and answered any questions I had thoroughly. Brian came in, found and fixed the issue, did maintenance cleaning, and had me back up and running in no time! He even went above and beyond to point out potential issues to look out for due to the age of my furnace. I’ve had a hard time finding reliable and TRUSTWORTHY contractors. Brian is informative, honest, and very skilled at his craft. And to top it off, my services didn’t break the bank. I also signed up for their maintenance plan after Brian explained the benefits. It was a no brainer to have that peace of mind for such a low cost. KUDOS to Brian and the rest of Mitchell’s One Hour Heating and Air Conditioning team! HIGHLY RECOMMEND!”
David B
in the last week
“Ali came to check our system and he was awesome! He went above and beyond, was professional, and courteous. Very happy with Siegert. Thanks!”
Tammy W
in the last week
“I highly recommend Michael Sweet, who has been my long-term AC technician for several years. Michael is honest, dependable, and incredibly knowledgeable about every product and system he works with. His expertise shows in the way he explains issues clearly and provides solutions that make sense—never pushing unnecessary services. Thanks to Michael’s consistent care and professionalism, my AC system always runs at its optimum level. I truly appreciate his thoroughness, reliability, and the pride he takes in his work. If you’re looking for someone trustworthy and well-educated in HVAC systems, Michael is the best you can find.”
Kerry Thelove
in the last week
“Blake was extremely helpful and explained everything in detail. The customer service agent that set up the appointment was also extremely helpful and they got out on time! Will DEFINITELY be using this company again!”
Ed G
in the last week
“Highly recommended! I reached out to One Hour due to my heater not working and they got a technician out here right away! Not only were they able to diagnose and fix my heater, their pricing was extremely reasonable. The technician, Rama, was super professional and I was very impressed with his knowledge and expertise! I will continue using this company for my heating and AC needs!”
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