Tank water heaters last approximately ten years, on average. After 20 plus years of working on water heaters, Kessler Plumbing, LLC knows the best kind of water heater for your house or business based on the number of people present every day. Our customer service-oriented technicians give you advice on what kind of water heater to choose for your home or office. Tank water heaters get a bad wrap for being inefficient, but if you are using them right and you have a newer model, there is nothing inefficient about it.