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.Easy to install and hot water fast
Would RecommendI replaced old water heater and it was easy to install.
From aosmith.com
Great reviews and recommendations.
Would RecommendSo far it’s good. Just installed approximately a week ago and it has been working great. Installation was good and simple to do and the system is working.
From aosmith.com
Good product
Would RecommendGood product for residential home. Quick and easy installation
From aosmith.com
Seems perfect so far
Would RecommendOur contractor installed this several weeks ago. Great hot water immediately. Price was reasonable and brand reputation good. Just registered the warranty.
From aosmith.com
Great features
Would RecommendJust purchased today, no review yet.have bought this brand before, and had no problem with it until it went out right after warranty expired
From aosmith.com
Just Installed... HOW Can I Rate the Product?
Would RecommendPick-Up Was Timely and Painless. Self Installation was without any problems. Just filling the tank before turning on the Water Heater... I'll let you know how it goes from here.
From Signature 100 50-Gallon Short 6-year Warranty 4500-Watt Double Element Electric Water Heater Verified Purchaser
HAPPY WITH THIS BRAND-THANK YOU LOWES!!!
Would RecommendMY RHEEM LASTED 19 YEARS HOPE THIS BRAND LASTS JUST AS LONG
From aosmith.com
Simple setup
Would RecommendGreat so far. Easy installation just put it in the day
From aosmith.com
Works great
Would RecommendEasy to install, and heats up fast, would recommend.
From aosmith.com
Long lasting equipment is the way to go
Would RecommendI love name brand recognition
From Signature 100 50-Gallon Short 6-year Warranty 4500-Watt Double Element Electric Water Heater Verified Purchaser
Seems to be a good quality product.
Would RecommendDoing really well so far. Like the design and ease of installation.
From aosmith.com
Features are simple, understandable
Would RecommendThis heater has been a great product added to the house so far. Heats well on pre-settings.
From aosmith.com
Instructions
Would RecommendEasy install vague instructions
From Signature 100 50-Gallon Short 6-year Warranty 4500-Watt Double Element Electric Water Heater Verified Purchaser
Just go to the store you can find it
Would RecommendWorks good
Verified Purchaser
Replaced one just like it that was 23 years old
Would RecommendWe replaced this AO Smith hot water heater with an AO Smith that was 23 years old. That said, it sems like a brand to be trusted. We hope this new one lasts as long.
From Signature 100 50-Gallon Short 6-year Warranty 4500-Watt Double Element Electric Water Heater Verified Purchaser
Water heater
Would RecommendMy,plumer,install ,this unit,berry happy,in my house, thanks.
From aosmith.com