Geo-Flo Products now features a suite of geothermal system design calculators on its website at www.geo-flo.com. This new free suite of calculators provides comprehensive design tools concentrating on the ground loop and pump selection portions of the system. Calculators currently available on the website include: pressure prop calculator: residential single unit, outside header; pump sizing calculator; flush cart calculator; Cv calculator; mobile-friendly flow-rate calculator, which calculates flow rate based on heat exchanger pressure drop; and mobile device-friendly HE-HR calculator, which calculates heat of extraction or heat of rejection.