Fast, accurate load calculations
to maximize efficiencies

Cut calculation times in half with the ACCA approved Load Calculator. Now available to all customers!

Tired of using spreadsheets or complicated software to perform time-consuming load calculations? Our user-friendly ACCA approved Manual J. Load Calculator makes the process simple and accurate. Help your customers conserve energy by calculating the proper heating and cooling needed.

Using data from Google Maps and other publically available information, the Load Calculator calculates the home’s dimensions, while saving you the time of filling out a building materials survey.

Key Benefits Include:

Save Time

Reduce load calculation time from 45 minutes to a few minutes.

Ease of Use

Instantly create Manual J load calculations from any computer or mobile device.

ACCA Approved Reports

ACCA approved professional reports, including detailed worksheet calculations.

New Enhancements:

New Enhancements:

Improved Tracing

  • Newly redesigned Google Maps tracing library for existing homes.
  • Perfect for block-load calculations.

Proposal Builder Integration

  • Use it as part of your sales process to size, propose and close.
  • Create load calculations for multi-system homes.

Enhanced Reports

  • In addition to summary reports, detailed reports are now available.
  • Ability to edit reports until marked as Final.


  • Mobile first design that allows usage whether in the home or office.
  • Access reports and projects from any device.

check it out

Missed our previous webinars?

Watch a recording of our webinar detailing the Load Calculator below.

'How to' Guides and Videos

For general inquiries, please give us a
call at (877) 570-0123, open a support ticket,
or email us at