G-Therm Marketing Group, LLC (GMG) has the exclusive right to distribute  EcoTrol throughout North America and abroad.

The company’s primary goal is to build a strong reputation for customer service and satisfaction by incorporating the principles of honesty, integrity, sincerity of purpose and open communication at all times.

Our unique and patented  EcoTrol flow control unit for residential geothermal systems is designed to provide the most cost-effective, energy efficient and installation friendly system on the market today.

GreenBild Manufacturing Company LLC is the manufacturer of the  EcoTrol Unit. GreenBild Manufacturing Company's  research and development team is dedicated to engineering excellence, quality control and product performance, while significantly reducing installation time, labor and post installation maintenance and service costs.

At GMG, our friendly, experienced staff are thoroughly trained and properly prepared to provide you with the answers to your questions and to assist you in the selection of the right system for your needs.