Installing a 4-inch furnace filter is a great example of why the way a filter is set up matters just as much as the filter itself. In many homes, a 1-inch filter is placed loosely in the ductwork with a small cutout, which often means it never seals properly. When that happens, air can bypass

Shot on a blue-sky day out by the river and sorghum fields… which is exactly why we need to talk about the air inside our homes. Most of us have heard the stat: indoor air can be 2–5× more polluted than outdoor air, and sometimes much higher. That sounds wild when you’re breathing crisp mountain