Powrmatic Heat Load Calculator is a free Android app that allows users to calculate the heating load for a simple rectangular building of brick/block or sheet construction under a pitched roof with natural air infiltration only. This app is developed by morphsites and falls under the Utilities & Tools category.

With Powrmatic Heat Load Calculator, users can easily calculate the heating load and save their calculations for future reference or email them. The app is straightforward and easy to use, making it a great tool for anyone who needs to calculate heating loads quickly and accurately.

Overall, Powrmatic Heat Load Calculator is a useful app for anyone who needs to calculate heating loads for simple rectangular buildings. The app is free and easy to use, making it a great addition to any toolbox.