Contact Us

PHONE: (618) 664-9010

TETCO Geothermal Systems 
2506 South Elm Street
Greenville, IL 62246

Office Hours:
Monday - Friday: 8 am - 5 pm
Your Warranty Coverage
Join the TETCO Family
Geothermal F.A.Q.

Contact Us

Phone: (618) 664-9010
Learn more about partnering with Enertech to experience how we make geothermal better.
Work With Our Products
Tetco Geothermal Systems
by Enertech Global, LLC
2506 S Elm Street
Greenville, IL 62246

TETCO is now Enertech

Enertech has been manufacturing TETCO products since 2009. The TETCO legacy of excellence and quality will now be sold directly under the Enertech brand.

Enertech Website
Enertech Logo