Site Navigation
HomeAbout
Services
Testimonials
Contact
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
- DeMotte Chamber of Commerce
What We Offer
Our Specialties include:
- Family-Owned-and-Operated
- Locally-Owned-and-Operated
Our Services include:
- Heating Repair
- Air Conditioning Repair
- Furnace Repair
- HVAC Repair
- Duct Repair
- Vent Repair
- Thermostat Repair
- Heating installation
- Air Conditioning Installation
Our Brands include:
Our Products include:
- Furnaces
- Central Air Units
- Air Conditioners
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
Where To Find Us
Follow us on FacebookPayment 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
Legal
Terms of UsePrivacy Policy