Contractors

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.

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.

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