NaviSizer is designed to assist with sizing of domestic hot water heating systems with Navien NPE Series tankless water heaters.
For residential applications, NaviSizer offers system sizing, calculation of operating cost and savings, and provides a comprehensive output to be used as a job spec.
For commercial applications, NaviSizer uses ASHREA Hunter Curve calculations to size a broad range of applications. Both tankless and tankless with storage solutions are offered along with a comprehensive system spec that can be saved, printed, or emailed.
Updated Storage Selection
Ratings and Reviews
App is very buggy and does not have a well designed UI. When I came to the part of the app to enter number of people and number of bathrooms I would click on the field and the keyboard would open briefly and then close and I was not able to enter any of the information.
I am not sure this app is taking anything into consideration other than the number of people and bathrooms. Incoming water temp can be changed in the app, but it seems to make no difference in the system recommended.
You want my customer info, really?
I find it rather annoying that you require that I enter my “potential” clients information in order to access the sizer.
With Family Sharing set up, up to six family members can use this app.