Tap water in the US is generally safe, but in certain areas it can have a funky taste. Tap water can also contain traces of pesticides, VOCs, lead, and dirt, all of which you don’t want to ingest no ...

Running your furnace, central air, or heat pump probably constitutes a big part of your utility bill. But it’s a small, often inexpensive part—the air filter—that keeps these heating and cooling ...