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Signature 100 40-Gallons Short 6-year Warranty 4500-Watt Double Element Electric Water Heater

Ratings & Reviews for A.O. Smith Signature 100 40-Gallons Short 6-year Warranty 4500-Watt Double Element Electric Water Heater

4.6
7256
Review
 4.6 out of 5
7256 Reviews


94% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

The water heater is reported to be reliable and high-quality, with easy installation, quick heating, and ample hot water supply. Customers highlight the efficient performance and consistent hot water, even for larger households. The compact size and sleek design are also noted as benefits. While a few customers experienced minor issues, the overall sentiment is very positive, and the product is recommended as a great value and trustworthy choice.

Customer review summary generated by AI, including incentivized reviews.
7256 Customer Reviews

Great unit

Would Recommend

Best hot shower I have had in a long time. Very glad we bought it

August 7, 2026

From aosmith.com

Failed Twice

After returning a four year-old water heater that luckily was replaced for free of charge (warranty) after it started leaking, I had the new one installed at a cost of $400. Later that afternoon, I noticed there was water leaking from the top. The hot water outlet had failed on the system. I had to have that one uninstalled, returned, and replaced for yet another one. Not to mention the cost for a reinstall. I’m beyond frustrated. If you can afford the money, get a different unit.

August 6, 2026
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Published by the A. O. Smith TeamAugust 10, 2026

Great product

Would Recommend

Contractor installed very easy and unit fired up right away

August 6, 2026

From aosmith.com

Easy installation

Would Recommend

Needed to replace our water heater due to age. Perfect replacement and update to our home.

August 6, 2026

From aosmith.com

cost efficient

Would Recommend

easy to install.good quality would recommend but need to have electrical knowledge.

August 5, 2026

From aosmith.com

Fits into the required space.

Would Recommend

The product was installed by YP MECHANICAL,LLC. YES

August 3, 2026

From aosmith.com

Good product

Would Recommend

Drain knob would be better if it was made of metal rather than plastic.

August 1, 2026

From aosmith.com

So far so good

Would Recommend

I haven't had it a month yet. So far it's working great. I have hotter water than I ever did.

August 1, 2026

From aosmith.com

Easy Install

Would Recommend

i’ve only had it for a couple of weeks. So far its doing fine.

August 1, 2026

From aosmith.com

great water heater

Would Recommend

Water heater was super easy to install and water is heating up very quickly. Happy with product so far.This is the second AO Smith water heater we have installed in the many years we have lived in this house and have had good luck with the products so far.

July 31, 2026

From aosmith.com