What Air Filter Should I Buy For My HVAC AC HEATING?

This video tests 12 different filters on an HVAC furnace to determine which ones might overwork an AC system to the point of causing damage. The test includes a variety of filters, including cheap, expensive, 1-inch, 4-inch, low MERV, and high MERV options, to identify which perform the best and which should be avoided. The video also investigates whether the brand of the filter plays a significant role in its performance. Viewers interested in finding the best filter for their home will find this video informative.