Business Details
29 Years
experience
Emergency
services
Trusted HVAC Solutions in Rockwall, TX
D-N-D Services has been a trusted provider of comprehensive HVAC solutions in Rockwall and surrounding areas since 1997. Our team of NATE-certified technicians specializes in residential and commercial heating, cooling, and indoor air quality services, prioritizing customer satisfaction and long-term system reliability. With a commitment to exceeding comfort needs, we offer AC repair, heating system maintenance, duct cleaning, infrared imaging diagnostics, and high-efficiency equipment installations.Our A+ rating with the Better Business Bureau and 24/7 emergency service reflect our dedication to integrity and prompt problem resolution. We provide seasonal maintenance agreements, priority service for agreement holders, and transparent pricing with no after-hours fees. Backed by factory-trained expertise and partnerships with leading brands like Amana and Carrier, we ensure optimal system performance while maintaining a focus on energy efficiency and customer education.
Services
AC Repair
Heating Repair
Duct Cleaning
HVAC Maintenance
Commercial HVAC
Details
- Year established: 1997
Highlights and features
- We have over 25 years of HVAC experience serving North Texas
- Our team includes NATE-certified technicians with factory training
- We offer 24/7 emergency service with no after-hours fees
- We maintain an A+ rating with the Better Business Bureau
- We provide seasonal maintenance agreements with priority service
Associations and certifications
- NATE Certified
- BBB A+ Rating
What people say
Exceptional service
Prompt and courteous
No after-hours fees
Honest assessments
Priority agreement benefits
Services
AC Repair
Professional air conditioning repair services for residential and commercial properties. Our NATE-certified technicians diagnose and fix cooling system issues including refrigerant leaks, compressor failures, and thermostat malfunctions. We use advanced diagnostic equipment and maintain fully stocked service vehicles to complete most repairs during the initial visit, ensuring rapid restoration of comfort during Texas heatwaves.
Heating Repair
Comprehensive heating system maintenance and repair solutions for gas furnaces, electric heat systems, and heat pumps. Our technicians perform detailed diagnostics to identify issues with ignition systems, heat exchangers, and thermostats. We prioritize safety inspections and efficiency improvements while offering emergency heating repair services during cold weather months.
Duct Cleaning
Professional duct cleaning and sanitization services to improve indoor air quality. Our process removes contaminants like dust mites, mold spores, and allergens from HVAC systems using specialized equipment. We combine duct cleaning with air quality testing and offer bipolar ionization purification solutions to create healthier living and working environments.
HVAC Maintenance
Seasonal maintenance agreements for optimal HVAC performance. Our twice-yearly inspections include coil cleaning, refrigerant checks, electrical component testing, and system efficiency analysis. Agreement holders receive priority service scheduling, no after-hours fees, and extended equipment lifespan through preventative care.
Commercial HVAC
Customized commercial HVAC solutions for businesses and industrial facilities. Our services include system design consultation, high-efficiency equipment installation, and preventive maintenance programs. We specialize in complex systems like Carrier Infinity and Amana 18+ Seer units, providing 24/7 emergency support for critical operations.
Questions
What HVAC services do you offer?
We provide AC repair, heating system maintenance, duct cleaning, indoor air quality solutions, commercial HVAC services, and system installations for residential and business clients.
Do you offer emergency HVAC service?
Yes, our 24/7 emergency hotline provides immediate assistance with HVAC failures, including same-day service during holidays and weekends.
Are financing options available?
We offer financing plans for HVAC equipment replacements and major system upgrades to qualified customers.
What areas do you service?
We serve Rockwall, Dallas, Plano, Garland, McKinney, and surrounding North Texas communities including both residential and commercial locations.
Do you have maintenance agreements?
Yes, our seasonal maintenance plans include twice-yearly inspections, priority service scheduling, and no after-hours fees for agreement holders.
Are your technicians certified?
All our HVAC technicians are NATE-certified and participate in ongoing factory training programs for major equipment brands.
