Alpha Mechanical Services | Experienced HVAC Services in Tulsa, OK

In our climate, a frozen evaporator coil is often caused by restricted airflow or low refrigerant. Dirty air filters, blocked return vents, or a failing blower motor can all limit airflow over the coil, causing it to drop below freezing and ice over. Low refrigerant from a leak has the same effect. Our technicians will diagnose the root cause—whether it's a simple filter change or a refrigerant leak repair—to prevent recurring freeze-ups and protect your system.

Yes, a failed capacitor is one of the most common reasons an outdoor AC fan stops working, especially during Tulsa's intense heat waves which strain these components. The capacitor provides the necessary jolt to start the fan motor. We carry a wide range of capacitors on our service vehicles and can typically test and replace a faulty one on the spot, restoring your cooling quickly and preventing further damage to the compressor.

Regular maintenance is key to avoiding evaporator coil and capacitor problems. Our preventative service includes cleaning the coil to ensure proper heat exchange, checking refrigerant levels and for leaks, testing the capacitor for weakness, and ensuring all electrical connections are tight. This proactive approach, ideally performed in the spring, catches small issues before they lead to a breakdown during a Tulsa heatwave, saving you money and discomfort.