May 14, 2025 · Estimate heating and cooling loads for your home with our HVAC Load Calculator. Get BTU/hr values and system size suggestions based on your building details.

A load calculation program based on Manual J, designed to be quick and easy to use. It calculates the amount of heating and cooling BTU's needed for the whole house (Block Load). …

HVAC Load Calculator Calculate the required system tonnage and BTUs for your home using simplified Manual J methodology.

An easy-to-use HVAC tool for calculating necessary thermal output capacity (in BTUs) This tool is based on the square foot method, with computations added for the most important values …

Our commercial load calculator enables you to calculate loads for small to medium size buildings up to three stories in height. Example structures are: offices, retail stores, restaurants, …

Free online HVAC load calculator to estimate heating and cooling requirements for buildings. Calculate sensible and latent heat loads for proper HVAC system sizing.

Our free, easy-to-use HVAC load calculator will help you determine the necessary thermal output capacity in Tons and BTUs of any residential home.

Calculate accurate HVAC sizing (BTU & Tons) for your US home. Based on local climate zones and ACCA Manual J standards. Instantly estimate AC & heating load.

3 days ago · Comprehensive HVAC load calculation guide with professional calculators, psychrometric analysis tools, real-world examples, and design standards for HVAC engineers.

Calculate the required cooling capacity for your room. This is an estimate. For precise calculations, consult with an HVAC professional. Factors like sun exposure, window types, and …