We're the Geothermal Source in Montgomery! Montgomery residents in the know look to Hepler Geothermal Inc. for all their geothermal heating and cooling needs. They place their confidence in us to give not only the proper installation and service but also the insight to help them get the most from their geothermal systems. Thinking about a geothermal system of your own? Give our nifty little Geothermal Savings Calculator a try. Just fill-in your data and stand in awe of the results. Then, contact us, the Montgomery, Pennyslvania, geothermal experts at Hepler Geothermal Inc..