Air Conditioning & Heating Repair Rockwall | New Installations | Commercial HVAC Maintenance

air conditioning repair rockwall


Air Conditioning Repair & New Systems  Rockwall | Rowlett | Heath | Plano | Mesquite | Garland | Greenville 


           Our convenient financing options give you budget flexibility to get the reliable energy efficient comfort you are looking for,
*subject to approved credit


AC Maintenance | Heating Maintenance

Regular maintenance: the key to preserving the life of ac and heating systems

At D-n-D Services, we want to ensure that your home and/or business is always cool in the summer and warm in the winter – and that your heating and air conditioning systems are safe. Proper and regular maintenance is the key to extending the life of heating and air conditioning systems – and you can depend on our trained, professional technicians to take excellent care of all your heating and ac needs.
An ac/heating inspection is much like the service performed on your car. Routine service is performed by knowledgeable ac technicians, along with verifying the operational sequence of events and other important parameters. These inspections can give you peace of mind about the operation of your system, and or alert of potential issues or improvements possible.

Air Conditioning Maintenance & Annual Inspections

Our maintenance services include:

  • Seasonal | yearly preventative maintenance plans
  • Top notch friendly service
  • Trained, certified HVAC technicians you can trust
  • Quality parts and service*
  • No afterhours/holiday fees for Maintenance Agreement customers
  • Priority service for Maintenance Agreement customers

Our specialized services include:

  • Complete Manual J load calculations for heating and cooling
  • Infrared imaging
  • Video duct inspections
  • Blower door testing
  • Duct cleaning and sanitizing
  • Indoor Air Quality testing
  • Commercial Maintenance Plans

D-n-D Services offers heating and air conditioning maintenance at reasonable and fair prices. Your satisfaction is our highest priority, with our professional, experienced service on a wide variety of heat and air conditioner brands, you can trust that our annual maintenance agreement guarantees that your new heat or ac system will operate at top performance making your home or office more comfortable. Note: additional charges may apply