Water Heater Brands

A.O.

State residential tanks typically come with 6, 9, or 12 year tank warranties.

American residential tanks typically have 6 or 9 year tank warranties, while Polaris condensing units get 10 years and run much hotter and harder.

Kenmore as a brand effectively ended for water heaters after Sears began closing stores in 2018.

Reliance residential tanks carry 6, 9, or 12-year tank warranties depending on the line.

Whirlpool stopped selling water heaters at Lowe's in 2017, but units installed during that decade are now hitting the end of their typical 8 to 12 year service life.

Envirotemp is a value-tier brand with typical 6-year tank warranties.

Jetglas residential tanks typically carry 6 to 9-year tank warranties.

Craftmaster residential tanks typically come with 6-year tank warranties as the standard, with extended 9-year and 12-year options on premium models.

U.S.

Any Mor-Flo branded tank in service today is at least 25+ years old since new production ended in the late 1990s.

American Standard water heaters typically carry 6 or 9-year tank warranties depending on the line.

Rheem residential warranties run 6, 8, 10, or 12 years depending on the model, and the clock starts at the manufacturing date on the sticker, not the install date.

Ruud is positioned as the upmarket Rheem brand, and most residential Ruud tanks carry 6 to 12 year tank warranties.

Richmond residential tanks come with 6, 8, or 10-year tank warranties depending on the line.

Paloma tankless units carry warranties similar to Rheem (12-year heat exchanger on most condensing models, 5 years on parts).

Vanguard tanks were positioned as a value brand within the Rheem family and most carry 6-year tank warranties.

Marathon has a lifetime tank warranty (the tank itself cannot rust because it's plastic), so age is really about the heating elements, thermostats, and the foam insulation degrading.

Any GE water heater in service today is approaching or past its expected 10-12 year service life since GE exited the category in 2016.

Hotpoint water heaters were discontinued along with the broader GE exit from the water heater business in 2016.

Rinnai backs residential tankless units with 12-year heat exchanger warranties (15 on Sensei SE+ condensing models), 5 years on parts, and 1 year on labor when professionally installed.

Navien NPE-A and NPE-S series carry 15-year heat exchanger warranties and 5 years on parts when professionally installed, which is class-leading.

Noritz residential tankless units carry 12-year heat exchanger warranties on condensing NRC and NRCB models, and 10 years on non-condensing EZ series.

Takagi residential tankless units come with 15-year heat exchanger warranties on the T-H3 condensing models and 10 to 12 years on non-condensing T-K series.

Bosch tankless units carry 10 to 15 year heat exchanger warranties depending on the model and 5 years on parts.

Bradford White builds heavy-duty tanks and many residential units carry a 6-year tank warranty, while their Defender Safety System eF series commercial units can run 3 or 5 years.

Bock builds for commercial duty with heavy-gauge steel tanks and oversized heat exchangers, so a properly maintained Bock can run 20 or more years.

Vaughn tanks (especially the Fury and Sepco indirect lines) are heavy-duty stainless or stone-lined units with expected service lives of 20+ years when properly maintained.

Lochinvar residential gas units typically carry 8-12 year tank warranties and commercial units have shorter coverage with longer expected life.

Giant residential tanks come with 6 to 12 year warranties depending on the model.

John Wood residential tanks come with 6 to 12 year warranties depending on the model line.

GSW residential tanks typically carry 6 to 12-year tank warranties.