Interactive Calculators
Engineering Tools
Calculators for early-stage design estimates and engineering sanity checks. Every tool states its assumptions — none replaces a detailed system analysis.
VFD Energy Savings Calculator
LiveEstimate annual pump and fan energy savings from variable-speed operation compared with dampers, throttling valves or constant-speed control.
Electrical / Cooling
Fan Affinity Law Calculator
LiveCalculate how airflow, static pressure and shaft power change when fan speed changes.
Cooling
Pump Affinity Law Calculator
Coming soonFlow, head and power relationships for centrifugal pumps under variable-speed operation.
Cooling
Cooling Capacity Calculator
Coming soonEstimate sensible cooling capacity from airflow and temperature differential, or water-side capacity from flow and ΔT.
Cooling
PUE Calculator
Coming soonCalculate Power Usage Effectiveness from facility and IT energy figures, with partial PUE breakdowns.
Electrical
Generator Step Load Calculator
Coming soonEvaluate generator step load acceptance for motor starting and block load scenarios.
Electrical / Reliability