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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 2/12/2026 Mark Janowski had this to say:
Easily the best HVAC company around! Kind, honest, easy to communicate with every step of the way - scheduling, during, and after the job is done. They set the standard for professionalism and go above and beyond to care for their customers!

On 2/12/2026 Mark had this to say:
Easily the best HVAC company around! Kind, honest, easy to communicate with every step of the way - scheduling, during, and after the job is done. They set the standard for professionalism and go above and beyond to care for their customers! Testimonial written by Mark on this site.

On 2/10/2026 Karen S had this to say:
Fast response and great service! Called and within 30-45 min Received call from Brad he would be here in 15 minutes. Arrived evaluated problem with furnace not staying on. Checked issue determined the problem checked truck for part needed. He didn’t have it for my furnace called associate he arrive about 15 min and Brad replaced it and tested it worked. Tested again 2 times. Fixed problem working good again. Testimonial written by Karen S on this site.

On 2/6/2026 Marvin Hager had this to say:
Excellent service, did a great job, quick & efficient , great pricing Testimonial written by Marvin Hager on this site.

On 2/4/2026 Brandi had this to say:
John arrived in a timely manner when my furnace had quit working. He was knowledgeable and friendly and fixed my furnace quickly. Highly recommend this company. Testimonial written by Brandi on this site.

Contact Us

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

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Payment Types Accepted

Personal Checks, 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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