Sustainability and innovation have been key words throughout the 140 year history of A.O. Smith. As the inventor of a patented glass coating process, A.O. Smith knows like no other how to maximize the lifetime and quality of glass lined-steel water heating appliances. Today, A.O. Smith supplies products in many different areas and applications. Through constant innovation, at production level and application level, A.O. Smith maintains its leading position in the market. This applies both to the choice of materials and components used in the manufacturing process, as well as to the efficiency of the finished products.

Condensing solutions

Solar solutions

System solutions

Full-service partner

Our Products & Services

Water heaters

A.O. Smith has a wide range of products that can meet your hot water needs. As the inventor of a patented glass coating process, A.O. Smith knows like no other how to maximize the lifetime and quality of glass lined-steel water heating appliances.


As a supplier of hot water solutions, A.O. Smith is often in contact with the heating industry. We decided to join the heating industry by developing several heating solutions. In doing this A.O. Smith broadened her horizon from purely hot water to heating. Of course, A.O. Smith will only develop green, high efficiency solutions. In our opinion we always need to have the best possible solution available.


A.O. Smith supports you with a wide range of parts and accessories and has over 40 years of experience in providing reliable hot water solutions. We also provide information on all the parts of our various devices with drawings in which all parts are clearly shown


When a manufacturer of vital high-end appliances claims to maximize the user’s comfort, it must be able to support and guarantee that its products run impeccably. Customer satisfaction throughout the entire lifetime of the products, the A.O. Smith promise. A.O. Smith offers a comprehensive range of services (sizing, commissioning, service and maintenance) to validate that promise.

Sizing Tool

The A.O. Smith sizing program will help you calculate the system needs for your project – whether it is solar or non-solar based. By following each of the steps in this carefully designed application, a detailed recommendation for your system needs will be made – in printable format.


You can easily contact us via our website. You can also call or e-mail us. We are happy to help you.

Watch our product videos!


New: Twister II stainless steel condensing water heater

The lightest and most compact direct-fired stainless steel boiler with demonstrably higher efficiency than similar products. On top of that, the Twister …

New Low NOx products online!

Atmospheric Nitrol productrange now visible on our website! The last step towards the new ErP legislation will be made on 26 September. …

New ErP directive effective on 26 September 2018

From 26 September all gas-fired appliances must have NOx emissions under 56 mg/kWh. With the Ecodesign policy, the EU intents to make …

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Visiting address
De Run 5305
5503 LW Veldhoven

Postal address
Postbus 70,
5500 AB Veldhoven

+31 (0)40 294 2500

Technical Service
+31 (0)40 294 2550 24/7

Sales UK
A.O. Smith Water Heaters
Unit B7 Armstrong Mall,
Southwood Business Park,
Hampshire, GU14 ONR

0870-AOSMITH (267 6484)
For general inquiries:

About us

Pand A.O. Smith