🔧 HVAC Pro Tools

Professional-grade calculators for Canadian HVAC technicians

🏠 Canadian HVAC Load Calculator

Professional heating and cooling load calculations for Canadian climates

Building Information

🌡️ SuperHeat & SubCool Calculator

Calculate superheat and subcooling for refrigeration systems

🔥 SuperHeat Calculator

❄️ SubCool Calculator

🌡️ Refrigeration P-T Chart Generator

Interactive Pressure-Temperature charts for refrigeration analysis

📊 Chart Information

Select a refrigerant and generate chart to see information

🧪 Refrigerant Properties

Properties will be displayed after chart generation

🌫️ Advanced Refrigeration Psychrometric Calculator

Professional pressure chart analysis and air property calculations

Refrigerant Properties

Calculated Properties

Enter values and click Calculate to see results

🔄 Universal Unit Converter

Convert between Imperial, Metric, Temperature, Pressure, Energy & Power units

📏 Length Conversion

🌡️ Temperature Conversion

🌪️ Pressure Conversion

⚡ Power Conversion

🏠 Canadian HVAC Duct Sizing Calculator

Professional duct sizing based on CSA and NBC standards (Imperial Units)

System Parameters

Room Information

Calculation Results

System Summary

Total Heating Load: - BTU/h
Total Airflow Required: - CFM
Static Pressure Loss: - in. w.c.
Cold Air Return Area: - sq in
Main Trunk
- inches
Velocity: - ft/min
Sub-Trunk
- inches
Velocity: - ft/min
Branch Ducts
- inches
Round: -
Enter room details and click calculate to see detailed duct sizing results.

Created by LARK Labs

Disclaimer: These tools are provided for educational and reference purposes only. Always verify calculations with applicable codes and regulations. LARK Labs assumes no responsibility for the accuracy or application of these calculations.