Learn the ins and outs of today's low-flow fixtures—and why it's probably a good idea to replace your old models with new eco-tech ones now.

If you take these steps to safeguard your plumbing system now, you could reduce the risk of future plumbing problems and even increase the useful life of some of your appliances.

While copper still plays an important role in water pipes for new construction, PEX pipe is quickly becoming the choice for remodeling and retrofitting.

Health consequences aside, mold and mildew are undesirable visitors to your home. They create discolored blotches on walls, floors, and ceilings, and can damage wallpaper, carpet, drywall, and insulation. And, the musty smell of mold or mildew is far from the fresh, clean fragrance most people want in their homes.

Before you start tearing apart your kitchen sink area to swap in a new, more stylish faucet, get to know the process and any obstacles that might slow you down.

This Old House plumbing and heating expert Richard Trethewey helps a homeowner install a new, no-touch kitchen faucet.

This Old House plumbing and heating expert Richard Trethewey helps a homeowner repair her leaky kitchen faucet.