Rising energy bills and unreliable HVAC have a permanent answer. GES is Oklahoma's trusted geothermal heating and cooling contractor - delivering geothermal systems that cut operating costs for decades and CNG solutions that reduce fuel expenses for fleets across the state.
GES exists to reduce the operational burden of energy costs for Oklahoma businesses, schools, and public institutions, permanently. We design, drill, and install geothermal HVAC systems that deliver decades of reliable, predictable performance, and we convert vehicle fleets to CNG so organizations can cut fuel costs without cutting corners. Our mission is not a transaction; it is a long-term partnership grounded in integrity, expertise, and results that speak for themselves.
A future where every energy-intensive facility in Oklahoma operates with the stability and cost predictability that geothermal makes possible, and every fleet runs cleaner and cheaper on CNG. A future where smarter energy is the trusted standard, not the exception, and where the organizations we work with can redirect savings toward the people who depend on them.
or more in utility savings - that is what geothermal systems consistently deliver, along with significantly lower long-term maintenance costs.
completed and counting - backed by more than 20 years of geothermal experience and a decade of CNG solutions across Oklahoma.
fuel cost reduction is achievable for Oklahoma fleets through CNG - and GES has the installations to prove it.
When Oklahoma City facility managers and building owners start looking for HVAC solutions, the conversation usually begins with a familiar problem: aging equipment, unpredictable utility bills, and a replacement cycle that never seems to end. Whether you are facing AC replacement, heat pump replacement, or a full HVAC system installation, the decision you make today will affect your operating costs for the next 20 to 30 years. GES exists to make sure that decision is the right one.
A geothermal HVAC system operates fundamentally differently from conventional equipment. Instead of fighting Oklahoma City's extreme summer heat and winter cold with rooftop machinery, a geothermal system exchanges heat with the stable temperatures found underground, delivering consistent heating and air conditioning performance year-round at a fraction of the operating cost. For commercial buildings, schools, and government facilities in Oklahoma City, Oklahoma and beyond, the long-term economics are compelling.
GES is one of the most experienced HVAC contractors in Oklahoma City, Oklahoma, handling everything from initial site assessment and well field design to heat pump installation, HVAC system installation, and long-term service agreements. As licensed air conditioning contractors with in-house drilling capability, we manage every phase of the project under one roof. No subcontractors who do not know the system. No handoffs that create gaps in accountability.
If you are evaluating HVAC solutions in Oklahoma City, or in Oklahoma and surrounding areas, the best next step is a free consultation with a GES energy professional.
"Having geothermal was a game changer for our entire community."
"GES delivered exactly what we needed — an energy-efficient geothermal system that saves us money, keeps our classrooms comfortable, and makes life easier for our maintenance team. Five years later, it's still performing great."
"GES helped us save $800,000 in cost and make our bond whole again."
“We have seen significant savings on our fuel bill.”
GES is based in Goldsby, Oklahoma, with geothermal HVAC service coverage spanning the entire state. We work across metro areas, rural communities, and everything in between - licensed to serve clients in parts of Arkansas and North Texas, with Kansas expansion coming soon.
We start by understanding your facility, your current energy spend, and your goals. A thorough assessment gives us the data to design a system that actually delivers - and lays the foundation for a partnership built to last.
Our engineers design a geothermal system matched precisely to your building load. We handle the well field design, mechanical layout, and financial structuring - including available incentives and service agreement options.
Our crews drill where others cannot. Every well is drilled and inspected to spec. Installation is coordinated with your schedule to minimize disruption and ensure a clean, complete handoff.
We do not disappear after the final invoice. GES remains your partner through service agreements, performance monitoring, and ongoing support, because a system that performs for 50+ years requires a team that shows up for 50 years.
Geothermal is still new to most facility managers and building owners. These are the questions we hear most often, answered plainly.
