Are you up to date with the latest information in the refrigerant industry? Do you know that refrigerant standards have changed? In fact, you may have to take a closer look at your air conditioning unit if it still operates on Freon or R22. There are many important changes in the HVAC-R industry and these changes will affect the air conditioner units in most of the residences and commercial establishments in this day and age. Freon or R22 was the most popular coolant used in almost 90% of AC units in homes and commercial establishments for many decades. But the substance was found to deplete the ozone layer of the…