Gahanna Looks to Us for Geothermal Heating & Cooling! We're Patriot Air Comfort Systems. And we're known throughout Gahanna, Ohio, for our geothermal heating and cooling expertise. Residents look to us for ... superior geothermal system installation and service qualified, highly trained personnel who understand every aspect of geothermal heating and cooling - and know how to help you understand geothermal systems from one of the industry's most credible names - WaterFurnace advice on how to maximize the potential from their geothermal heating and cooling installation Obviously, a significant reason people turn to us to begin with is for the savings they can realize on their energy bills with a geothermal system. Want a snap shot? Give our Geothermal Savings Calculator a go. Then push forward with the next step and contact Patriot Air Comfort Systems. We'll walk you through more of what makes geothermal systems the top choice for year-round heating and cooling comfort in Gahanna.