GSK Climate Control, Inc. is a full-service mechanical contractor based at Hills Industrial Park in East Dorset, Vermont, founded in 1985 by Greg Kristiansen. The company specializes in design-build geothermal heat pump systems, radiant heating, HVAC, plumbing, commercial refrigeration, and custom sheet metal fabrication for both residential and commercial projects throughout southern and central Vermont. Greg holds professional certifications in geothermal systems, EPA, NATE, solar, and PEX piping, and GSK is recognized as an Efficiency Vermont EEN Contractor — a designation awarded for demonstrated energy efficiency expertise. Notable project experience includes the Energy Innovation Center and Ekwanok Country Club, showcasing the team's capabilities across complex residential and commercial geothermal applications. GSK Climate Control maintains a 4.5-star Google rating and brings a client-focused approach to every mechanical system they design and install. Reach the team at (802) 362-5444 or [email protected].
Verified active operator per https://gskclimatecontrol.com/ + https://www.bbb.org/us/vt/east-dorset/profile/heating-and-air-conditioning/gsk-climate-control-inc-0021-79617 (VT bundle audit 2026-06-02)
Recognized Efficiency Vermont EEN Contractor with 40 years of experience designing and installing cold-climate geothermal and heat pump systems across Vermont.
