We're the Geothermal Source in Oyster Bay Cove! Oyster Bay Cove people in the know look to ZBF Geothermal for all their geothermal heating and cooling needs. They count on us to give not only the correct 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 marvel at the results. Then, contact us, the Oyster Bay Cove, New York, geothermal experts at ZBF Geothermal.