K & M Shillingford
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Your Trusted HVAC Company for over 40 years serving Tulsa and the surrounding communities. OUR VISION is to be the most respected professional design/build HVAC contractor in our industry, by delivering exceptional quality and value to our customers and exceeding their expectations. We strive to be innovators and technology leaders.

OUR MISSION is to design, furnish and service all mechanical comfort systems with impeccable quality and integrity, distinguished by our innovation. Demonstrate ongoing commitment to our employees for rewarding careers through education, training, and advancement opportunities. We had a technician from K&M Shillingford replace our 75 gallon water heater.

Their quote was very competitive and the installation work was done quickly and correctly. The city inspector just came and approved the work, saying that he was impressed and pleased with the workmanship that he saw. We are very pleased with our experience with K&M Shillingford. K&M Shillingford helped us get our water heater working again after it had been down for several days, and the company who installed it couldn't fix it.
Reviews (12)
Peggy Harris
Peggy Harris
Nov 05, 2021
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Positive: Professionalism
Used this company to check our new water heater that wouldn’t stay lite. They were so professional and kind. Diagnosed and replaced a defective part on the water heater. It works great now. I would use them again no question. Great company!
Peggy Harris
Leia Adkins
Leia Adkins
Sep 07, 2021
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
Outstanding people great prices family owned!! I will never use another Heating and Ac company!
Amp E.
Amp E.
Aug 11, 2021
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I paid them over $30,000 to install a 10-ton and a 3-ton system in a warehouse building I built, and the 10-ton Carrier system they installed didn't have an idler pulley, which caused the system to constantly throw belts, and require maintenance. They would not stand behind repairing the system so that it would work properly, claiming it was a design flaw from the manufacturer. When I recently relocated to a new facility, the new landlord wanted me to use them to install a 5-ton system in our warehouse, and to service two 3-ton systems in the office areas. They didn't fully charge the
Richard Simons
Richard Simons
May 21, 2021
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K&M Shilingford is the very best of the best for your all your plumbing needs. I am not your average customer. I’ve been a remodel contractor for many years as well as a maintenance manager for a local school program that had three schools and senior maintenance for a Tulsa county housing program. So if I call for help it’s because it’s an issue that has me flummoxed. Today I had an issue with a brand new water heater that I installed. I’ve installed hundreds of water heaters in the past 30 years and probably right at a hundred just in the past 3 years. So I’m quite experienced with many
Linda A.
Linda A.
Oct 24, 2020
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Shillingford saved me a lot of money. Another company said I needed a new unit. They fixed it for a fraction of the cost with one small part.
Swank Bowzer
Swank Bowzer
Jul 30, 2020
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This is honestly one of the worst companies I've ever had to deal with. I had a good history of them working with me in the past. They installed the original geo unit in my house so I have continued to do business with them just based on familiarity alone. About 10 years ago, we had a misunderstanding about payment method after installing a new external pump. They used the card on file which was expired after I told them to bill me directly and not by my card on file (I was between debit cards at the moment). This eventually resulted in a late payment. Never went to collections. Following year
Joe Uzzel
Joe Uzzel
Dec 14, 2019
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Knowledgeable and precise. K & M Shillingford can take care of literally any HVAC job from single family ranch homes to heavy industrial. They take care of their customers big and small.
Nimisha Shah
Nimisha Shah
Dec 08, 2019
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Horrible service. No one answers your phone, when they called me back 2 weeks later to schedule me, they said another 2 weeks. Came out to look at the unit for 5 minutes and said they had to order a part and wouldn’t schedule me until the part came in. I made a big fuss that if they know it takes 5 days for the part to come in, then schedule me for a week. The part came in and they claimed it didn’t. I know it came on because the manufacturer gave me tracking information. Came out to put the part and they said it needs another part. The other part came in a week ago and still haven’t been
Elizabeth R.
Elizabeth R.
Jul 30, 2018
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I have used K&M Shillingford for 12 years. However, in the last few years their service has really become lacking. We were needing to replace a few of our units and wanted them to come out and give us an estimate. They never showed. I called them again and waited all day and they never showed. Their excuse was "we are busy". Six months later my unit went out in the hottest month of the year. I was told it would be 1-3 months before they could install a new new unit! When I told them we could not wait a month they again said "we are busy". I will never use them
Cheryl Lawson
Cheryl Lawson
Sep 08, 2015
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K&M Shillingford helped us get our water heater working again after it had been down for several days, and the company who installed it couldn't fix it. The service reps were so personable and made the experience painless. Kudos to Dale for taking such great care!
Margaret Ede
Margaret Ede
Nov 05, 2014
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We had a technician from K&M Shillingford replace our 75 gallon water heater. Their quote was very competitive and the installation work was done quickly and correctly. The city inspector just came and approved the work, saying that he was impressed and pleased with the workmanship that he saw. We are very pleased with our experience with K&M Shillingford.
Fred Wightman
Fred Wightman
May 26, 2014
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K&M Shillingford installed our geothermal heating and cooling at our ranch and it works fine. They have serviced our traditional heating and cooling units here at our house in Tulsa and they have found and corrected problems from another company. I am always satisfied with their work and the good crew they have.