PocketMEP

Pocket MEP is a field-ready engineering tool for building services professionals. Run calculations, manage projects and rooms, track tasks, and reference standards — all from your phone, with no internet required. Built for mechanical, electrical, and public health engineers working on UK construction projects. CALCULATORS 12 engineering calculators covering ventilation, electrical, duct sizing, pipe sizing, heating, cooling, and psychrometrics. Every formula verified against CIBSE, BS, and ASHRAE standards. PROJECTS & ROOMS Create projects, add rooms with space types, and let the app auto-fill sensible defaults. Your room data flows directly into calculators — no manual re-entry. TASKS & NOTES Track site tasks with priorities and due dates. Write site notes, punch lists, and visit records. Natural language quick-add: just type "Fix AHU !p1 due:tomorrow". REFERENCE CARDS Quick-access reference data for voltage drop checks, duct velocities, pipe sizing, commissioning checklists, and more. EQUIPMENT LIBRARY Store and search equipment specs from site visits and datasheets. 100% LOCAL All your data stays on your device. No account required. No cloud. No tracking. Made by Gridmark Technologies Ltd.