Introduction: AO Smith is a well-known and reputable brand in the water heater industry, providing reliable and efficient water heating solutions for residential and commercial use. If you are considering investing in an AO Smith water heater, one important factor to consider is its lifespan.

In this article, we will explore the average lifespan of AO Smith water heaters, factors that affect their longevity, and essential maintenance tips to maximize their lifespan.

Understanding the Lifespan of AO Smith Water Heaters: AO Smith water heaters are known for their durability and longevity. The lifespan of a water heater depends on several factors, including the quality of materials, installation, usage patterns, and maintenance. While individual experiences may vary, understanding the general lifespan can help you make an informed decision.

how long do ao smith water heaters last

Average Lifespan of AO Smith Water Heaters: On average, AO Smith water heaters can last between 10 and 15 years. However, with proper care and maintenance, some units have been known to exceed this range and last up to 20 years or more. It’s important to note that this estimate is based on normal usage and regular maintenance practices.

Factors Affecting Lifespan:

  1. Quality of Construction: AO Smith is renowned for its high-quality construction and attention to detail. The materials used and the manufacturing process contribute to the overall durability and lifespan of their water heaters.
  2. Installation: Proper installation is crucial for the longevity of any water heater. It is recommended to hire a professional plumber to ensure correct installation, including proper venting, electrical connections, and compliance with local building codes.
  3. Water Quality: The quality of the water in your area can impact the lifespan of a water heater. Hard water, which contains high levels of minerals, can lead to sediment buildup and corrosion, affecting the performance and lifespan of the unit. Installing a water softener or using a water treatment system can help mitigate these issues.
  4. Maintenance: Regular maintenance is essential to prolonging the lifespan of any water heater, including AO Smith models. Flushing the tank annually to remove sediment buildup, inspecting and replacing sacrificial anode rods when necessary, and checking for leaks or other issues can help prevent major problems and extend the life of the unit.

Essential Maintenance Tips:

  1. Regular Flushing: Flushing the tank annually helps remove sediment that can accumulate over time. Sediment buildup can lead to decreased efficiency and potential damage to the heating elements.
  2. Anode Rod Replacement: The sacrificial anode rod helps protect the tank from corrosion. Inspect the rod regularly and replace it when it becomes heavily corroded or depleted. This simple step can significantly extend the life of the water heater.
  3. Temperature and Pressure Relief Valve (TPR Valve): Test the TPR valve annually to ensure proper functioning. This valve helps release excess pressure and prevents tank ruptures. If the valve is faulty or shows signs of leakage, have it replaced promptly.
  4. Regular Inspections: Conduct visual inspections of your AO Smith water heater, checking for signs of leaks, loose connections, or any unusual noises. Promptly address any issues that arise.

Conclusion: AO Smith water heaters are known for their durability and longevity, with an average lifespan ranging from 10 to 15 years. However, with proper maintenance and care, AO Smith units can exceed this range and provide reliable hot water for 20 years or more.

Factors such as quality of construction, proper installation, water quality, and regular maintenance all contribute to the lifespan of a water heater. By following essential maintenance tips and addressing any issues promptly, you can maximize the lifespan of your AO Smith water heater, ensuring years of efficient and reliable hot water supply for your home or business.