House Digest on MSN

Mistakes you're making when choosing a HVAC air filter (and how to choose the right one)

From picking the wrong filter type to making costly HEPA missteps, knowing these HVAC air filter mistakes can help you avoid ...
Ars Technica

Are $30 air filters worth it over $2 air filters?

When I go shopping for air filters, I see the cheap $2 air filters, $10 air filters, $20 air filters, and $30 air filters that claim to suck all the free radicals out of your body and will prevent ...