Pro Article or Calculators
Transformer Size Calculator helps you estimate kVA, currents, costs, and sizing with growth & derating. Learn with a worked example and jargon buster.
Transformer Size Calculator | Step-by-Step Guide Read More »
Cable Tray Size Calculator helps engineers pick the right tray size with fill factors, OD overrides, cost estimation, and future expansion buffer.
Cable Tray Size Calculator – Tray Sizing & Cost Guide Read More »
Airflow Formulas Calculator for HVAC design—compute airflow, velocity, ACH, and outdoor air compliance per ASHRAE & ISO standards with step-by-step guide.
Airflow Formulas Calculator: HVAC Rates, ACH & Compliance Read More »
Insulation Thickness Calculator helps size pipe & duct insulation to prevent condensation, control heat loss, and estimate cost for IN/US/UK.
*Insulation Thickness Calculator – Pipe & Duct Sizing Guide Read More »
Chiller Capacity Calculator for accurate HVAC sizing, cost estimation, and energy use with presets, standards, and a full worked example.
Chiller Capacity Calculator – HVAC Sizing & Cost Guide Read More »
Fan Power Calculator helps you compute airflow power, brake HP, motor kW, and monthly energy cost with presets, standards, and reverse mode.
Fan Power Calculator – Estimate HP, kW & Energy Costs Read More »
Heating Load Calculator helps you accurately estimate space heating needs in kW or BTU, with cost, airflow, and full standards-based presets.
Heating Load Calculator – Accurate Space Heating Estimation Read More »
Electrical Calculator for quick wiring & conduit estimates. Supports presets per IS, NEC, BS standards with voltage drop & material cost options.
Electrical Wiring & Conduit Designer — Pro (NEC/IS/IEC) Read More »
Air Changes per Hour Calculator to size airflow, estimate ducting, diffusers, fans, and costs for India, US, UK. Accurate ACH for any room type.
Air Changes per Hour Calculator – Ventilation & Cost Read More »