A block load is a calculation that determines the heating and cooling loads for an entire conditioned space as if it were a single room.

• Floor Plan/Sketch for each floor (including basement if any portion is finished)
• Address of property
• Known insulation R-value of walls
• Known insulation R-value of Ceilings/Floors
• Characteristics of Windows
• Location of equipment and ductwork - Basement, Conditioned space, Attic Garage, etc.

• Optional Add-on Manual S Report

A room-by-room calc is a method for determining the heating and cooling needs of each room in a home. This calculation is more accurate than a block load calculation, which determines the heating and cooling needs for the entire home.

• Floor Plan/Sketch for each floor (including basement if any portion is finished)
• Address of property
• Known insulation R-value of walls
• Known insulation R-value of Ceilings/Floors
• Characteristics of Windows
• Location of equipment and ductwork - Basement, Conditioned space, Attic Garage, etc.

• Optional Add-on Manual S Report
• Only option to include Manual D Report

Our reports are ACCA Manual J 8th Edition Certified, using Wrightsoft

We provide Manual J calculation services nationwide. Our pricing includes one revision, and our turnaround is typically less than 5 working days.

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Sorry, we do not offer Commercial Load calculations, and we prefer not to work with homeowners directly - instead, support your design professionals!