Tankless Sizing Guides

Our water heater sizing guides help you determine which model is right for you. Watch the videos below to learn how to choose the correct model. After that, view our Sizing Guide PDFs, which offer further guidance on choosing the right size of tankless water heater for your needs.

We're here to help you! We encourage you to give us a call and speak with one of our friendly, knowledgeable staff, who can help you ensure you've chosen the right Stiebel Eltron tankless electric water heater for the job.