Geo-Flo’s Calculators Design Suite features 22 applications for pressure-drop and pump-sizing calculations, including buffer tank selection for modulating-condensing boilers and water-to-water heat pumps. Other applications include expansion tank sizing, Reynolds Number calculator, Pump Affinity Laws calculator, flushing/velocity calculator, pond loop coil calculator, flow rate/pressure drop calculator for geothermal heat pumps, and a heat of extraction/rejection calculator. All calculators are available on the company’s webpage (click on the “Design Calculators” link in the menu box). An email address and password are all that’s required to access the calculators.