See if there are bubbles mixed with the liquid refrigerant. You can spot the leak by inspecting the unit and looking for an oily, usually dirty area. I had a repair man come to look at it to find out about these things.. You are using an o…

Explore resources for employment and wages by state and area for heating, air conditioning, and refrigeration mechanics and installers. Thank you for your Suggestion. Changing or cleaning your air filter every two to three months. EER Rati…