Engineering tools

Pinch analysis
workbench.

Pinch analysis, heat exchanger network design, exchanger sizing and unit conversion — fully in your browser. Enter stream data and every result updates live. Nothing is sent to a server except the optional XLSX export.

01 / Stream data

°C

Hot streams are cooled, cold streams are heated. Point loads (Tin = Tout, e.g. reactor or condenser duties) are supported.

Stream nameClassTin (°C)Tout (°C)Q (kW)

02 / Pinch results

QH,min (kW)
QC,min (kW)
Pinch · hot side (°C)
Pinch · cold side (°C)
Problem table +
Interval (°C)ΔT (°C)ΣCPhotΣCPcoldΔH (kW)Cascade (infeasible)Cascade (feasible)

03 / Composite curves

04 / HEN design

05 / Equipment sizing

A = Q / (U · F · LMTD). U pre-fills by service — hover the value for its typical range. F below 0.75 flags a poor configuration.

UnitQ (kW)LMTD (°C)Service / U (W/m²K)FArea

06 / Unit converter

=