DND Heating & Air conditioning has been working on commercial air conditioning systems for the pas 15 years. More experience in our field saves you money in your business. Call today for a free estimae on a new commercial air condiitoning system installed for your business today. If your air conditioning system is on the ground or on the roof DND Heating & Air Conditioning is the commercial air conditioning repair specialist for you. Getting they right commercial AC company near you to get out to your building ASAP is not always easy. With DND you can call us anytime day or night and we will do our best to get a technician out as soon as we can to get your AC system up and running again.