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 »
Wire Size Calculator with voltage drop formulas, presets, costing, and step-by-step guide to select correct conductor sizes for safe electrical design.
Wire Size Calculator & Voltage Drop Guide (Step-by-Step) Read More »
Gage Tables Estimator helps HVAC pros auto-select duct gauge, thickness, reinforcement, and hanger spacing per SMACNA standards with cost & weight.
Gage Tables Estimator: Duct Thickness, Gauge & Weight Read More »
Hot Water Heating System Calculator to size, design & cost loops, pick pipe sizes, estimate flow, head, expansion tank & total project cost.
Hot Water Heating System Calculator – Design & Cost Tool 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 »
Boiler Sizing Calculator for accurate heating load, hot-water flow, cost, and fuel use estimation with presets, standards, and a full worked example.
Boiler Sizing Calculator – Heating Load & Cost Estimator 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 »
Pump Head Calculator to quickly determine pump total dynamic head, discharge pressure & costs with multi-segment losses and NFPA-20 checks.
Pump Head Calculator – Accurate Pump Pressure Estimation 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 »