D-N-D Services

D-N-D Services has been a trusted name in heating and air conditioning for over two decades, serving residential and commercial customers in Rockwall and the surrounding areas since 1997. We are dedicated to providing top-quality service and exceeding our clients' expectations when it comes to their comfort needs. Our team of experienced and highly trained technicians possesses a deep understanding of all major HVAC brands and systems. We are committed to staying at the forefront of industry advancements, routinely attending factory training classes to ensure we are equipped with the latest knowledge and techniques.

Our commitment to excellence is reflected in our A+ rating with the Better Business Bureau and our team of NATE certified technicians. We are fully licensed, insured, and authorized to work on all brands of HVAC equipment. We understand that your home or business is your sanctuary, and we treat every project with the utmost care and professionalism.

Services Offered

At D-N-D Services, we offer a comprehensive range of services to meet all your heating and cooling needs.

Our expertise extends beyond simple repairs and maintenance to encompass a wide array of specialized services. We provide thorough indoor air quality testing, ensuring your living or working environment is as healthy as possible. In addition, we offer professional duct cleaning and sanitization, eliminating harmful pollutants and allergens from your ventilation system. Our services also include whole-home infrared imaging, which helps locate hidden issues within your system, and digital load calculations, ensuring your equipment is properly sized for optimal performance. We also understand the importance of backup power, and we offer whole-home generator installation to keep you comfortable during outages.

Your Comfort, Our Priority

Whether you need a simple repair or a complete system replacement, our team is here to help. We're proud to offer competitive prices on both affordable and high-efficiency equipment, ensuring there's a solution to fit your budget and needs.

We are dedicated to providing our clients with transparent and honest assessments of their HVAC system. We'll work with you every step of the way, explaining your options and making sure you feel comfortable with the decisions you make.

Experience the D-N-D Difference

D-N-D Services isn't just about fixing broken equipment; it's about building lasting relationships with our clients based on trust, reliability, and a genuine commitment to their comfort. We understand that your home or business is an investment, and we take pride in helping our clients protect that investment with proper HVAC maintenance and system upgrades.

We are a proud member of the Good Contractors List for air conditioning and heating contractors, a testament to our dedication to excellence and customer satisfaction.