Older units do use Freon, nevertheless, so if you'd like to swap to Puron you’ll have to speculate in a fresh just one. It is additionally essential to Observe that as of January 2020, Freon is no more created in or imported to The usa—which means that If the older https://andresjkdvm.blog-a-story.com/10265342/indicators-on-hvac-systems-you-should-know