ESOP Solar Simulation Program


What is ESOP?

ESOP NA 4.0 is a solar simulation program designed to assist solar professionals with the planning and design of Viessmann solar systems.

The program comes with 12 standard system configurations for solar DHW, solar pool heating, and combination systems that include DHW, spacing heating and/or pool heating. ESOP includes climate data for locations across North America as well as product specifications for all Viessmann solar collectors, DHW storage tanks, and boilers.

ESOP operates with metric or imperial units and features an integrated Design Assistant to help users navigate the program.


What can it do?

Simulate a specific solar system design and perform system calculations to estimate the solar energy production, solar fraction, energy savings, average CO2 reduction and more. Plus, generate a professional, easy-to-understand report for you and your customers.

What are the system requirements?

To run ESOP NA 4.0, your system must meet the following minimum requirements:

Processor:  1 GHz
Memory:  512 MB
Disk Free Space: 400 MB
Screen Resolution:  1024 x 768
Operating System:  Windows 7, Vista, or XP


How can I order it?

ESOP NA 4.0 is available for a one-time license fee - please contact us for current pricing.
To get started, simply follow the steps outlined below.

To preview the program prior to purchasing, simply download and run the installation file below (it will run in demo mode initially). To activate the full version of the program you only need to purchase a serial number.

  1. Download the installation file and serial number order form below.
  2. Complete and fax the serial number order form to the indicated fax number.
  3. Receive your serial number via email or fax within two business days to activate the program.