Cal State HVAC | Professional HVAC Services in Hillsborough, CA

Our HVAC maintenance is a thorough check-up designed to keep your system running efficiently and prevent costly repairs. We inspect key components, clean essential parts, check refrigerant levels, and ensure your thermostat is calibrated correctly. This service helps extend the life of your system, maintain good indoor air quality, and can improve energy efficiency, which is especially valuable in our Bay Area climate.

Yes, duct leakage is a common issue in local homes that can significantly reduce airflow and system efficiency, leading to hot or cold spots and higher energy bills. Our technicians are skilled in performing detailed duct inspections to locate leaks, tears, or poor connections. We then provide professional sealing or repair services to restore proper airflow, improve your comfort, and help your HVAC system operate as intended.

Absolutely. We stand behind the quality of our workmanship. All repairs performed by Cal State HVAC come with a comprehensive one-year labor warranty. This gives you peace of mind knowing that if an issue related to our repair arises within that year, we will return to fix it at no additional labor cost. We are fully licensed and insured for your protection.