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40 gal water heaters are just the right size for families with fewer than four people in a home. If your family is bigger than that, you’ll need to bump up to a larger size. Because no one likes to take a cold shower. Water heaters come in both electric and natural gas versions.

A.O. Smith, Rheem, and Bradford White are three of the biggest manufacturers of water heaters in America. They offer a wide range of product offerings for every need and budget. Talk to your plumber or local hardware store to find out what size is right for your needs.