Ratings & Reviews for A.O. Smith Signature 100 40-Gallon Short 6-year Warranty 4500-Watt Double Element Electric Water Heater
Ratings may include incentivized customer reviews.
What Customers Are Saying
Customers overwhelmingly praise this water heater for reliable performance and quick hot water delivery, often available within minutes or almost instantly. Installation is frequently highlighted as straightforward and easy to follow, even for DIYers, with SharkBite fittings and clear instructions making setup simple. Reviewers consistently describe the unit as well-built with modern aesthetics and a top-mounted T&P valve that improves plumbing convenience. Many customers express strong confidence based on long-term durability and note excellent value. A small number report isolated issues like temperature resets or wiring concerns, but these represent a tiny fraction of feedback. Overall, most customers consider this an excellent, reliable choice.
Customer review summary generated by AI, including incentivized reviews.No “pilot” light indicates “on”
Would RecommendNo indicator light showing it in operation
Verified Purchaser
GOOD
Would Recommend1 Bought it 3 days ago had problems with element ,
From aosmith.com
Damaged
Would Not RecommendCame dented
From Signature 100 50-Gallon Short 6-year Warranty 4500-Watt Double Element Electric Water Heater Verified Purchaser
If you follow the instructions easy peasy.
Would RecommendWent in easy. Instructions were easy to follow. Working great for last few weeks.
From Signature 100 50-Gallon Short 6-year Warranty 4500-Watt Double Element Electric Water Heater Verified Purchaser
Great features
Would RecommendMy neighbor Recommended looks like is very efficient so far is been great
From aosmith.com
Needed hot water heater fast.
Water heater was in stock and easy to install.
Verified Purchaser
Great Customer Service
Would RecommendAwesome product
Verified Purchaser
Easy installation
Would RecommendInstalled 2 days ago so I can't comment on reliability. Installation was very easy with sharkbites.
From aosmith.com
great features and easy to handle
Would RecommendMy 2nd one this location, installation was easy, instructions clear and easy to follow
From aosmith.com
Overall great product.
Would RecommendGood Warranty and ease of installation. I have had good luck with this brand.
From aosmith.com
Nice New Water Heater
Would RecommendFirst time for me, ever having a new water heater... Love it!! works great, quick recovery/haven't run out of hot water yet.. 2 showers and dishwasher, and still plenty of hot water.
From aosmith.com
Easy install
Would RecommendGreat price love it, hope it last for years, had another unit so smith & it lasted 20 yrs
From aosmith.com
VERY IMPRESSIVE
Would RecommendPURCHASED TWO DAYS AGO AND HAD IT INSTALLED THE NEXT DAY , SO FAR DOING A GREAT JOB !
From aosmith.com
Really good hot water heater at a reasonable price
Would RecommendGood value
Verified Purchaser
Awesome features!!
Would RecommendI bought the water heater 2 days ago and installed it today. It is working good, no leaks. I'm happy with the results.
From aosmith.com
AO Smith water heater
Would RecommendEasy installation works as expected
Verified Purchaser
Great product & price
Would RecommendVery happy with this product it was very easy to install and very affordable
From aosmith.com
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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