Ace the 2026 ESCO EPA Universal Test – Go Green and Go Great!

The detection of refrigerant leaks is best accomplished through a combination of methods to ensure accuracy and thoroughness. Using electronic leak detectors is highly effective as these devices can pick up on the presence of refrigerants even in small amounts, making them sensitive and efficient. Visual inspections complement this by allowing technicians to identify potential problem areas, such as corrosion or damage to components, which may not be detected by electronic means. Additionally, applying soap bubble solutions is a practical technique that can visually reveal leaks by forming bubbles at the site of the leak, providing a clear indication of escaping refrigerant.

Together, these methods create a robust approach to leak detection. Relying solely on visual inspections is insufficient because some leaks may be too small to be visible or may occur in hard-to-see locations. Similarly, manual checks conducted only every six months would not provide timely detection, allowing leaks to go unaddressed for longer periods. Limiting detection methods to only thermal imaging cameras would also be inadequate, as these cameras may not always be able to effectively detect the type of refrigerants in use or may miss smaller leaks compared to other techniques.

By integrating electronic leak detectors, visual inspections, and soap bubble solutions, technicians can ensure they effectively identify refrigerant leaks in a timely and