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 e-mail address and password are all that’s required to access the Calculators.