Find the right tankless water heater for your next plumbing project on Ferguson.com. We are your source for gas and electric tankless water heaters from top brands like Eemax and Rinnai. Browse tankless water heaters with a variety of flow rates that go as low as 2 gpm, and reduce energy use with our offering of ENERGY STAR water heaters. Discover the benefits of tankless water heaters and see how it can pay off to switch to tankless.