Heat Exchanger Calculator: LMTD, NTU, Shell-and-Tube & Plate
Wired White v2 Size or rate shell-and-tube and plate heat exchangers with calculated LMTD correction, NTU effectiveness, Kern and Martin estimates, and temperature profiles.
#LMTD
Wired White v2 
Radiator Output at Low Flow Temperature
Wired White v2 Check radiator output at heat-pump temperatures, find each room’s minimum flow, size replacements and explore a heating curve and cost-per-degree scenario.