HVAC Calculations

Air Change Rate Calculator

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Air Mixing Calculator

Fluid Mixing Calculator

Coil Selection Calculator

Cooling Load (Sanity) Check 

Commercial Kitchen Exhaust Hood (ASHRAE)

Condensate Rate Calculator

Condensate Pump Sizer

Dehumidifier Sizer

Duct Size Calculator

Diffuser Size Calculator

FPM to CFM Converter

Psychrometric Calculator

Vapor Pressure Deficit (VPD)

Wind Pressure on Mechanical Equipment

Converters/Reference

CLTD Roof Number &

 Wall Number (ASHRAE)

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EER SEER COP Converter

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kW, BTU, HP, Ton, lbf

Ohms Law with Power Calculator

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Temperature Converter

Window SH-# Sizer

U-Factor & SHGC Code Defaults

Energy Form: Commercial

                       Residential

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Work Order: Commercial

                     Residential

Break-Even Calculator

Engineering Economics / Present & Future Value

Capital Gains Estimator

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Interpolation - Bilinear

Interpolation - Linear

Picture Hanger Height

AHRI Certified Product Performance

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ASCE 7 Online

ASHRAE Climate Design Conditions

ASHRAE Online Handbook

ATC Wind Speed by Address

Florida Building Code (FBC)

International Building Code (IBC)

Texas Building Code