AC and Furnace Maintenance Professionals

We’re trustworthy because we:
- Have been BBB-accredited since 1991 and hold an A+ rating
- Have won the prestigious Lennox Centurion Award
- Are competent to work on all makes and models
- Belong to the Air Conditioning Contractors of America
- Have accumulated nearly 50 years of experience
We’re affiliated with the Lennox brand, and we’re adept at maintaining Lennox products with the ENERGY STAR label. Nevertheless, Richardson residents can hire us for heating and AC maintenance regardless of the manufacturer of their equipment. Being EPA-certified, we’re conscious of the way our work can benefit the environment.
Flexible Maintenance Plans for Richardson

You’ll be happy to know that Hammack Service Company, Inc. creates custom heating and AC maintenance plans for its Richardson customers. You can expect all the basic tasks to be covered. On packaged units, for example, we’ll calibrate the thermostat, replace the air filters and remove obstructions in the ductwork.
For Air Conditioners, we can:
- Check the thermostat for dust and debris
- Check and clean the condensate drain
- Check and clean condenser coils
- Check controls and safety devices
During each maintenance visit, our team will be respectful of your time and your property. Whatever mess we make will be cleaned up before we leave. Our maintenance agreements also come with another great advantage. You’ll receive discounts for parts and labor on any necessary issue that must be corrected.
Without a doubt, Hammack Service Company, Inc. is ready to set you up for a tailored heating and cooling maintenance plan here in Richardson. Our NATE-certified technicians have proven knowledge of AC systems, gas systems, oil heating systems and more so you can trust us to do the best. Let us keep your comfort unit functioning for years to come. Give us a call today to arrange an appointment!