The engineering calculation platform for MEP teams.
Perform engineering-grade calculations on demand. No workspaces, no set-up — just open the module you need and print a report.
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01 · Modules
Calculation engine
Click any module below. Sign-in required to open the calculators.
Unit Converter
SI ↔ IP for every MEP quantity.
Psychrometrics
Tdb, Twb, RH, W, h on the Mollier chart.
Cooling Load
Room block load with CLTD/SHGC.
Mixed Air
Adiabatic mixing of OA + RA streams.
Heat Transfer
Composite-U with material presets.
Dehumidification
Moisture removal & coil sizing.
Humidifier
Steam / adiabatic moisture addition.
Evaporative Cooling
Direct / indirect pad cooling & water use.
Electric Heater
Duct / space heater kW & current.
Cooling Tower
Heat rejection + make-up water.
Airflow / CFM
Sensible / ACH / occupancy method.
Fan Sizing
Air power → motor kW.
Pump Sizing
Pump type, BEP band, motor kW.
Duct Sizing
Round / rectangular; SMACNA gauge.
Pipe Sizing
Recommended DN from flow & material.
Chiller Selection
Config, type & N+1 for Indian cities.
Chiller Plant
CHW / CW pumps & cooling towers from the plant config.
Pipe Weight
IS / ASME steel pipe weight, water fill & total.
02 · Standards
Built on the standards you cite.
ASHRAE 62.1 / 90.1
SMACNA
ISO 14644-1
EN 1822 / ISO 29463
CTI ATC-105
ASME B73.1 / API 610
ISO/IEC 30134
ISO 16890
NFPA 90A
NBC India
IS Codes
ISO 5167
Every calculator prints its exact formula, assumptions and the standard reference used.
03 · Engineering Intelligence
Engineering Intelligence
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Generating a fresh, standards-grounded design insight for today.