System Builder App

Design a System for any Project

Bring heating and cooling to life with our easy-to-use System Builder application.

Project Folders

Store all details of your projects from customer information to custom built systems in one organized place.

System Builder

Create a Singe-Zone, Multi-Zone, MultiPRO or Central Air system using your customer's specified requirements.

Detailed Specs

Find detailed specifications of every GREE product to ensure you choose the optimal system in every project.


Access our application from any desktop computer, mobile phone or operating system for use on-site or in the office.

Ready to build your first system?

GREE's System Builder app is free and easy-to-use. No download required. Compatible with any device's browser.

System Builder App

Makes Building Easy and Fast

A simple interface to manage all your projects in one place.

System Builder App Desktop
System Builder App Mobile