The Geothermal Name to Trust in Jefferson Forgive the pride, but that would be us: Mill Creek Heating! Jefferson, Oregon, residents have been looking to us to satisfy their geothermal heating and cooling needs for a number of years, now. We'd like to gain your trust, too. If you've been wanting to "go geothermal" but have put it off, you can definitely trust us on this: given today's unstable economy, there's never been a better time to discover the savings a geothermal heating and cooling system can provide. Want proof? Do a little simple math with our Geothermal Savings Calculator. Then contact Mill Creek Heating for the top of the line geothermal system installation and service in Jefferson - and beyond!