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Practical MEP Engineering Calculations, All in One Place

Access reliable design calculations, engineering references and technical tools for HVAC, Fire Protection, Plumbing, Electrical and Cleanroom applications.

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01 · Module Catalogue

Building Services, Coordinated

Practical calculation tools organised by discipline for everyday MEP design decisions.

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.

Load Estimation

Connected load, demand factors, diversity & design kVA.

Cable Sizing

Current capacity, derating, voltage drop & fault withstand.

Voltage Drop

Drop %, receiving-end voltage & maximum route length.

Domestic Water Demand

Potable & flushing demand from occupancy, landscape and HVAC make-up.

Peak Water Demand

Max-day, peak-hour & instantaneous flows with main size.

Water Storage Tank

Underground / overhead volumes, fire reserve & tank geometry.

Fire Water Storage Tank

Dedicated fire reserve from concurrent demands, durations and usable volume.

Fire Pump Flow & Head

Critical-path flow, total dynamic head and preliminary shaft power.

Main & Standby Fire Pump

Duty/standby configuration, driver rating and pump-curve checks.

ISO Classification

ISO 14644-1 class limits per particle size.

Particles & HEPA/ULPA

Particle concentration & filter grade selection.

ACPH & FFU Quantity

Air changes and Fan Filter Unit count.

02 · Standards

Standards that guide

Applicable standards supporting reliable engineering calculations.

ASHRAE Handbook

ASHRAE 55

ASHRAE 62.1

ASHRAE 90.1

ASHRAE 183

ASHRAE 140

ASHRAE 36

ASHRAE 41.2

ASHRAE 41.3

ASHRAE 41.4

ASHRAE 51

ASHRAE 52.2

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.