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D & M Heating and Air Conditioning

About Us

D & M Heating and Air Conditioning is a family-owned-and-operated contractor dedicated to top-notch heating and cooling services in DeMotte, IN, and nearby areas. Our highly skilled technicians specialize in heating repair, air conditioning repair, furnace repair, and duct repair, ensuring your comfort year-round. We pride ourselves on our commitment to excellence and customer satisfaction. Whether it’s routine maintenance or urgent repair needs, trust us to provide reliable and efficient solutions for your home. Experience unmatched comfort and service with D & M Heating and Air Conditioning. Contact us today!

Areas Served

DeMotte, IN | Roselawn, IN | Lowell, IN | Rensselaer, IN | Hebron, IN | Wheatfield, IN | Lake Village, IN | Morocco, IN | Newton County, IN | Jasper County, IN | Lake County, IN

Our Professional Associations

What We Offer

Our Specialties include:

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Testimonials

On 6/13/2025 John Schultheis had this to say:
Service was excellent. From the first call to the end of the job it was perfect. The Tech Brandon even rolled up my hose after using it and put it away which was totally unexpected.

On 6/11/2025 Jeanette Meeks had this to say:
Highly Recommend. If you're in need D&M is the company for you. They take the time to keep you informed of every little step of the process. We had heating/air installed. I believe this is a honest & trustworthy business. Thanks to Dan and the guys!

On 6/11/2025 Jeanette had this to say:
I would highly recommend D&M. The process of getting heating and Air was a good experience. Treated with total respect. If I had questions they were promptly answered. I was treated like I truly matter. Not just like a customer. I believe this company will back what they say. If your in need of Heating/Cooling go to D&M. HONESTY IS OF THE MOST IMPORTANTANCE. By word of mouth I think this company will be the leader in the business. Testimonial written by Jeanette on this site.

On 6/10/2025 Sandy Cichocki had this to say:
Sooo highly reccomend D&M. Whole process was Awesome! From calling to get an estimate for new combo unit to installation... They are great! Kailee was so polite and professional on the phone and prompt with appt. John came out, very caring, professional, explained everything on what was needed and the whole process with great estimate.. John was awesome! Just a couple days and whole crew came and got us up and running... Excellent team!! All very polite, very knowledgeable, professional, and work sooo well together! You can tell they REALLY care about you...and you're NOT just a number! Can't be more impressed or happy with the whole team... And our new A/C / Furnace.Owner Dan accompanied and worked with John and B and they very hardworking and respectful... Cant say enough good! Thanks Dan, John, B, P-ski, Kailee and Michelle for ALL your great Customer Satisfaction! We'll NEVER go Elsewhere! Mike and Sandy!

On 6/2/2025 diane had this to say:
Tysm very satisfied customer Johnwas so thorough with everything very satisfied customer Yhsnk you again you have a new customer 😀 😊

Contact Us

D & M Heating and Air Conditioning
DeMotte, IN 46310
Phone: (219) 613-3688
Email: thisiskrista.dm@gmail.com

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Payment Types Accepted

Personal Checks, Cash, MasterCard, Visa

Our Hours

24 Hour Emergency Service

Holiday Hours May Vary. Please Call For Details.

Monday: 9:00 AM - 5:00 PM
Tuesday: 9:00 AM - 5:00 PM
Wednesday: 9:00 AM - 5:00 PM
Thursday: 9:00 AM - 5:00 PM
Friday: 9:00 AM - 5:00 PM
Saturday: By Appointment Only
Sunday: By Appointment Only

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