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Key Takeaways

Best Overall

Best Bang for the Buck

Best Lightweight

Best Multipurpose

More Great Options

Best Easy Installation

Best for Small Tanks

How We Chose and Tested Water Heater Blankets

Our Testing Scores

What to Consider When Choosing a Water Heater Blanket

FAQs

Meet the Tester

A water heater blanket can be a simple, affordable way to improve your home’s energy efficiency and help lower your monthly bills. Traditional tank-style water heaters use energy to keep stored water hot, even when no one is using it. If a tankless system isn’t in your budget and your current heater isn’t ready for replacement, adding insulation may help you get more out of the system you already use to supply your home with hot water .

Also called a water heater cover, this insulating blanket helps the tank retain heat, reducing the need to warm the water as often.…