Licensed HVAC Services in Tustin, CA 92780 - Dial One Cooling, Heating & Plumbing

This is a common issue in our area, often linked to thermostat problems, dirty filters, or refrigerant leaks. As your local HVAC experts with over 40 years of experience, we recommend checking and replacing your air filter first. If that doesn't help, our technicians can perform a thorough inspection of your system, clean the coils, check refrigerant levels, and ensure your thermostat is communicating properly with your AC unit to restore efficient cooling.

Yes, we operate 24/7 to handle plumbing emergencies, including burst pipes, major leaks, and sewer backups. Our veteran-owned company has been responding to urgent calls in Southern California for over 40 years. We dispatch licensed technicians who can perform immediate repairs to prevent water damage, and we follow up with permanent solutions like water pipe repair or replacement to ensure the problem is fully resolved.

Our preventative maintenance service is designed to improve system efficiency and prevent breakdowns. For your heating and cooling systems, our visit includes cleaning condenser and evaporator coils, checking refrigerant levels, inspecting electrical components, lubricating moving parts, testing system controls and the thermostat, and checking for proper airflow. This proactive care, backed by our decades of experience, helps extend the life of your equipment and maintain home comfort.