Do you know what size filter you need, but have no idea what MERV rating you need? First of all, we should establish what a MERV rating actually means. MERV ratings are based on three composite, average removal efficiency points for particles it catches from the air. MERV numbers range from 1 (very low) to 16 (very high). Here’s an easy way to remember it: the higher the … [Read more...] about Which MERV Rating Should I Choose?
home air filter replacement
http://www.youtube.com/watch?v=wIZLlkmm0MI Bearnard isn't the only one who has experienced problems when replacing an air filter. We have all experienced it at some time or another. You just finished ordering an air filter (from us, of course) and when you try to install it, you’re not sure which direction the air filter arrow should point. Should the arrow point up or down? … [Read more...] about How to Determine Air Flow When Replacing Your Air Filter