We're the Geothermal Source in Corvallis! Corvallis homeowners in the know look to Comfort Flow Heating for all their geothermal heating and cooling needs. They trust us to provide not only the proper installation and service but also the knowledge 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 Corvallis, Oregon, geothermal professionals at Comfort Flow Heating.