Variable Refrigerant Flow (VRF) and Ductless

Variable Refrigerant Flow (VRF) is a high efficiency HVAC technology for cooling and heating.

Troubleshooting FLEXX ULTRA and FLEXX Eco Air Handlers

Gree Mini Split Full Installation

Gree Mini-Split Maintenance

Gree EEV Troubleshooting

Gree F3, F4, F5 & E4 Error Codes

Gree H5 Error Code

Gree F0 Error Code

Gree E6 Error Code

Why Use R32 Compared to R-454b?

Gree FLEXX A2L Leak Detector

Gree Mini Split A2L Leak Detector

How Flammable is R32?

Using a Gree Mini Split with our Gree+ App with Wi-Fi

Tips for Gree Installation

Mini Splits vs. Traditional Split Heat Pumps

How Does an Inverter-Driven Compressor Work?

GREE FLEXX Overview

Stonewall Building

The historic Stonewall Building, built circa 1925, is a 12-story building in downtown Birmingham, Alabama. The building went through an extensive renovation converting to office spaces and residential lofts. From an engineering standpoint, it was a challenge to provide heating and cooling on an existing building with limited ceiling space for ductwork.