You turn off the lights when you leave the home, open windows and keep the AC low-but your energy bills continue to climb. The issue could be with your HVAC unit. Clean Air & Water Filtration, Inc. is an HVAC contractor in Rockwall, TX that can help you achieve and maintain an energy-efficient home. We offer HVAC maintenance and repair, air filtration installation, air purification installation and air duct cleaning services. Rest assured that our experts will get the job done right. Contact us at 214-533-3970 to schedule our HVAC contractor services today.