Greensburg Looks to Us for Geothermal Heating & Cooling! We're Dever Enterprises. And we're known throughout Greensburg, Kentucky, for our geothermal heating and cooling knowledge. Residents turn to us for ... first-class geothermal system installation and service qualified, highly trained personnel who know every aspect of geothermal heating and cooling - and know how to effectively communicate the process to you geothermal systems from one of the industry's most established names - WaterFurnace recommendation on how to get the most from their geothermal heating and cooling installation Obviously, a significant reason people turn to us in the first place is for the savings they can realize on their energy bills with a geothermal system. Want a look? Give our Geothermal Savings Calculator a go. Then push forward with the next step and contact Dever Enterprises. We'll show you more of what makes geothermal systems the top choice for year-round heating and cooling comfort in Greensburg.