HVAC Repair Durham NC | Call Kjohnson Hvac Services

This is called short cycling, a common issue in our area that strains your system and increases energy bills. It's often caused by thermostat problems, refrigerant leaks, or an oversized unit. Our HVAC system repair service includes a thorough diagnosis to pinpoint the exact cause. We then perform the necessary repairs, such as recalibrating controls or sealing refrigerant lines, to restore normal, efficient operation and prevent further damage.

Absolutely. Our scheduled HVAC system maintenance includes inspecting your ductwork for signs of wear, gaps, or poor connections that lead to leaks. We check airflow and seal any minor leaks we find. This proactive service helps maintain system efficiency, improves indoor air quality by preventing dust intrusion, and can significantly reduce the high energy costs associated with leaky ducts, which is especially important for older homes in Durham.

Our maintenance service is designed to catch and prevent local issues. We clean and inspect key components like the thermostat and sensors, check refrigerant levels and pressures to ensure they're correct, clean coils for proper heat transfer, and verify the system is starting and stopping correctly. This comprehensive check-up can identify early signs of problems that lead to short cycling, allowing us to make corrections before a major, costly repair is needed.