Detmer & Son
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Detmer & Son
Detmer and Sons, Inc. is a leading Heating, Geothermal and Air Conditioning contractor in the Dayton and Springfield, OH area. We have been serving our valued customers for three generations. Our goal is to give our customers the confidence and peace of mind that Detmer and Sons is the right company for them.

We constantly educate and train all Detmer and Sons employees on the skills needed to provide our customers with the most professional, personal, ethical and timely services in the industry. Check out our seasonal money-saving offers and and save money on your heating and cooling needs. To be clearly recognized as the leading professionals in residential and commercial HVAC sales and service in the Greater Dayton area.

To provide comfort and professionalism in every customer experience with excellent HVAC products and unparalleled service. Our company values include integrity, commitment, teamwork, and community involvement. We believe in aligning our words with our actions, building on our accomplishments each and every day, and embracing personal responsibility in the workplace.
Services
Join our team of leading professionals in residential and commercial HVAC sales and service in the Greater Dayton area. We are committed to fostering a culture that makes an impact on each and every one of our employees and customers.
There are many options to choose from when selecting a new cooling system for your home comfort. There is a vast selection of efficiencies, airflow performance and air filtration options to choose from in order to provide you with optimum comfort and energy savings. While it is true that some options may not be the best selection for your particular needs, you would be best to review your choices with a trusted professional.
Our warm air heating systems are designed to deliver an even temperature with quiet operation and superior efficiency. Proper consulting on the design of your heating systems is essential to achieve a good design. Let our team of heating system professionals help you select the perfect system for your home to keep your family warm all season long.
Did you know that the US Environmental Protection Agency states that geothermal systems are the most energy-efficient, environmentally clean, and cost effective space conditioning systems available today. Did you also know that thanks to improved technology, geothermal systems are no longer just beneficial for homes in rural areas with plenty of land?
The latest and greatest in heating and cooling equipment may not always be enough to keep you comfortable year around. Does your home seem clammy and stuffy at times, especially in the summer and fall months? Too much humidity can cause such problems. The IAQ experts at Detmer and Sons recommend a whole-house dehumidifier to help solve your problems.
Reviews (16)
Edward L. Dapore
Edward L. Dapore
Jan 04, 2022
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The service tech I believe his name was Josh was polite made me feel very comfortable can I ask for anymore
Anne Petratis
Anne Petratis
Jan 04, 2022
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Jonah Brun did a great job of servicing our furnace for the winter. He's a great technician who has done tune ups on our heating and air systems for a few years.
Kathy Camfield
Kathy Camfield
Jan 04, 2022
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My furnace started throwing out cold air at 9:30pm. Not sure what to do i called a local Fairborn Company, Detmer and Sons. The man was nice when i asked what to do, so he said that if they came out it was a good chance they may have to get a part. It was not that cold so i asked if i should turn it off. He said well what ever you want to do. I got upset because i did not know what to do. He walked me through how to make sure it would be safe until they could come out and fix it. I appreciated that. Next day they came out, found out it was a gas valve and ordered the part. This was just before
Anne Roberts
Anne Roberts
Dec 31, 2021
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The service experience is excellent beginning with a friendly & efficient scheduler, a call with ETA from the technician the day of your appointment, an on-time arrival, friendly & competent service and cleanup without any attempts to oversell. We have utilized the services of local competing heating & cooling companies in the past, but Detmer is our choice from now on. Highly recommend!
Michael L. Mummert
Michael L. Mummert
Dec 30, 2021
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Quick service , very professional , quality work done and excellent communication about expectations and time to complete the job
Glenn Madden
Glenn Madden
Dec 30, 2021
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Detmer service tech used safe service protocols and did annual maintenance activities on our 17 year old furnace. He was friendly and efficient.
Service: Heating maintenance
Deborah Whitecar
Deborah Whitecar
Dec 30, 2021
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The tech was knowledgeable and professional. He stayed to help me get my Wifi set up which he didn't have to do. The office staff was also very helpful.
Service: Repair thermostat
Alfonzarel
Alfonzarel
Dec 28, 2021
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Detmer and sons is THE BEST. This is only the second review I’ve ever left on Google because i don’t usually bother. But their service is second to NONE. They are flexible and professional. Even the people who answer the phone are wonderful. The CAA PLUS service package is a great package at a fair price. I wouldn’t dream of hiring another company for my HVAC services - as long as Detmer is in business, they have my business.
Sally Cumberland
Sally Cumberland
Dec 28, 2021
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They have a great maintenance agreement I buy every year. This time Detmer called me because they happened to have an opening which is great because I always forget to call on time. I have a “vintage” heating/cooling unit that surprises them every time that it’s still running. The technician this time didn’t have a lot to say, BUT as he left, he mentioned the pan under my water heater was wet. This mention saved me probably thousands of dollars. There was a leak. So while this is not reflective of the work he came to do, it is reflective of the caliber of person he was. I will remain loyal
Carol Inskeep
Carol Inskeep
Dec 27, 2021
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Excellent service, prompt, friendly and knowledgeable technicians. I appreciate the reminder call in spring and fall. 👍
Deanna Walton
Deanna Walton
Dec 27, 2021
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Positive: Professionalism, Responsiveness
Very professional young man, took time to explain what was needed. Was here promptly. I have no complaints with Detmer Heating,I have utilized their service for over 30 years.
Service: Repair heating system
Mary Rice
Mary Rice
Dec 27, 2021
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Positive: Professionalism, Punctuality, Quality, Responsiveness, Value
Great job! Made a cold house warm in freezing winter temperatures. It was at night and everything was closed. Rapid response house call. Thanks so much.
Service: Repair HVAC
Amber Doleys
Amber Doleys
Dec 21, 2021
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Positive: Professionalism, Punctuality, Quality, Responsiveness
Detmer is the best I’ve found for hvac needs. They’re on time, professional, and persevere to get the job done well. They’re also very honest. Thankful for their work!
Service: Repair heating system
Michael Bostick
Michael Bostick
Nov 30, 2021
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Detmer installed an add on himifier to my current system. My furnace is electric as I do not have propane or natural gas. In the winter time it gets very dry in our home and we previously have used a portable / refill required humidifier now no more lugging around containers of water! After 2 days of operation it was absolutely noticeable how much more comfortable the entire house felt! Wish I wouldn’t have waited so long to add this! Thanks Detmer and the technicians job well done!!
John H.
John H.
Aug 31, 2021
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My 90-year-old Mother had a tree limb fall on her AC unit in 90-degree weather. Of course, it's August so there is no end in sight. The insurance company wanted two estimates so I called Detmer and another well-known company in town. The other company took a week to get here just to do an estimate. Detmer? 1 day for the estimate and 1 day for Installation. Flawless execution too.

Our family has used Detmer since they started the business and will continue to do so.
Todd T.
Todd T.
May 05, 2019
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Please please do not use detmer and sons. cracked. The said they would replace the patch but only spent 4 minutes slapping cement over the crack. It took me longer to find the equipment needed to fix the job (since they did not bring there own) than it did to fix the problem. I should have been able to charge them the $109 they charged me for materials. I would give them a negative star if I could.