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Signature 100 55-Gallon Tall 6-year Warranty 4500-Watt Double Element Electric Water Heater

Ratings & Reviews for A.O. Smith Signature 100 55-Gallon Tall 6-year Warranty 4500-Watt Double Element Electric Water Heater

4.1
3366
Review
 4.1 out of 5
3366 Reviews


75% Recommend this product

Ratings may include incentivized customer reviews.

What Customers Are Saying

Customers overwhelmingly praise the water heater for rapid heating and reliable hot water output, with many reporting hot water available within minutes and consistent performance for families of four or larger. Most highlight straightforward DIY installation with clear instructions and compatible fittings, plus a compact design fitting tight spaces. However, some customers report premature failures involving heating elements and tank leaks within two to three years, with several noting repeated issues. Despite these concerns, most reviewers consider the unit a solid value for household hot water needs.

Customer review summary generated by AI, including incentivized reviews.
3366 Customer Reviews

Dent When Picked Up

Would Not Recommend

Dent on the side and when not nephew questioned during pick up he was told it would not hurt the product and it was fine. When you pay that much money for a new water heater, you would prefer that it not be damaged. No effort was made to make it right by the store. A lot of money to pay and received damage products.

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Response from Published by the A. O. Smith Team

We are sorry to hear of your experience.

We recommend reaching out to Lowe's Customer Care at 1-800-445-6937 or Text 84109.

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Published by the A. O. Smith TeamSeptember 30, 2026

Would Not Recommend

Cheaply made water heater. Uses plastic for faucet drain rather than brass. Not a good idea at all

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Response from Published by the A. O. Smith Team

We are sorry to hear of your experience. We want to ensure the issue is resolved.

Please send your phone number to talktous@aosmith.co...
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Published by the A. O. Smith TeamOctober 2, 2026

Excellent Delivery Service

Would Recommend

Impressed with the communication on delivery time. Well done.

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Easy to install. Even a girl can do it!

Would Recommend
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Water heater is fine.

Would Recommend

Lowe’s delivery system leaves a lot to be desired. My time to be delivered was moved a whole day from the original date, and then was also delayed twice that day. Almost 48 hours later than what it was supposed to be. Zero explanations. Much like every other big corporation, I guess once they get the money you are no longer the priority.

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Heater

Would Recommend

A great working heater and energy efficient

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Slim design

I am thrilled with the small footprint of this water heater.... only 18" in diameter, so fits in a small space.

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Satisfied Customer

Would Recommend

Worked great for my application and size was perfect.

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Plenty of hot water

Would Recommend

I am a licensed plumber and o bought this for my own house and so far it has been great. No leaks or issues, water heats quickly and its 50 gallon so doesnt run out

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Had this brand for 21 years with no issues.

Would Recommend

We had this brand, A.O. Smith in our home for 21 years and just replaced with the same brand. We could have gone longer! I thought the water heater was leaking in our garage, but it was actually our AC unit. I hope we get the same result with this newer model. Everybody cannot believe our water heater has lasted 21 years with no issues with five people living under this roof. This is why I decided to go with A.O. Smith.

September 22, 2026
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Easy Install

Would Recommend

Took it home from the store same day, was an easy install, we did it ourselves. Has been working great, no issues.

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Hiccup but now we're good.

Would Recommend

Lowe's had the one we needed in stock when no one else in town did. We got it home and the thing looked like it had been dropped from a 5 story building. We took it back and got another, checked it over at the store and finally go to work getting it installed. We haven't had any trouble so far and everything is working as it should.

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Response from Published by the A. O. Smith Team

We are sorry to hear of your experience. We want to ensure the issue is resolved.

Please send your phone number to talktous@aosmith.co...
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Published by the A. O. Smith TeamSeptember 24, 2026

Hot water heater

Would Recommend

Purchased this a month back. doing great. i an my son st as lled it in 4 hours

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Perfect water heater

Would Recommend

Efficient, perfect size for my space, perfect water heater!

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Conveniently in stock and relatively easy to install. It heats the water fast and haven't run out of hot water yet!

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