The Geothermal Name to Trust in Graham Forgive the pride, but that would be us: Crabbe Service! Graham, North Carolina, residents have been turning to us to satisfy their geothermal heating and cooling needs for a number of years, now. We'd like to gain your assurance, too. If you've been thinking of “going geothermal” but have been holding off, you can definitely trust us on this: given today's shifting economy, there's never been a better time to learn more about the savings a geothermal heating and cooling system can provide. Want facts? Do a little simple math with our Geothermal Savings Calculator. Then contact Crabbe Service for the very best geothermal system installation and service in Graham - and beyond!