Municipal water utilities are mandated to provide safe, clean drinking water.

But they don't have to make it taste good.

That's where whole-house water filters come in. Instead of messing with pitchers or faucet filters, these devices let you purify all the water that comes into your home, right from the main.

This Old House plumber Richard Tretheway shows you how to install your own whole-house water filter in the video above. Find more DIY tips on TOH's YouTube channel.