Build for the Extreme
Hot. Cold. System Builder can handle it.
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 Single-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.
Multi-Platform
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.
Makes Building Easy and Fast
A simple interface to manage all your projects in one place.
