Heat Pump Heater Sizing and Selection Now Available!

Welcome to StateSize, the new online water heater sizing and product selection software from State. You can begin by selecting one of the Application types shown below, and StateSize will guide you through the process. Additional tools such as the Payback Calculator are available to further assist in the selection of the best State heater for your project.

Choose Application Type

The State StateSize sizing program is a tool that can be used to estimate water heater requirements for many common applications. StateSize is intended to assist in selecting water heaters or boilers that best meet the specific job requirements. It is the sole responsibility of the system designer to select the correct products needed for the specific application. State reserves the right to make changes to StateSize without notice. For more see Terms of Use.