DND Heating & Air Conditioning

Free estimates on all new air conditioning and or heating systems. Fill out the contact form to schedule now.

DND Heating & Air Conditioning About Us

24/7 With factory trained technicians answering the phone all day and night.

DND Heating & Air Conditioning has been in business over ten years. We are a family owned AC repair company in McKinney , TX. Customer service is top of our list and nothing counts to us more than our customers opinion. All estimates and repairs will come with a repair vs. replace bid so that you may have more options as a homeowner / business owner. With more choices you will know where you stand if you choose to repair the unit, or if you choose to replace it. We offer financing for your new air conditioning system to be installed, call for details.


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AC or heating service call 24h 7days a week


Residential AC Repair

Residential Heater Repair

Commercial AC Repair

Commercial Heater Repair

Commercial & Residential AC Maintenance

Attic Insulation Services


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