The Geothermal Name to Trust in Brookville Forgive the pride, but that would be us: ZBF Geothermal! Brookville, New York, homeowners have been looking to us to meet their geothermal heating and cooling needs for years, now. We'd like to gain your trust, too. If you've been thinking of “going geothermal” but have been holding off, you can certainly trust us on this: given today's unstable economy, there's never been a better time to find out the savings a geothermal heating and cooling system can offer. Want proof? Do a little simple math with our Geothermal Savings Calculator. Then contact ZBF Geothermal for the very best geothermal system installation and service in Brookville - and beyond! Oh ... and talk about trust: We install geothermal heating and cooling systems by WaterFurnace. That's a name that resonates in the geothermal industry.