HVAC Load Calculator
Whole House Block load or Room by Room Load


About LoadCalc:
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) or a room by room load.
Getting started:
Select a State or Province; afterwards you will then be given a choice of cities, airports or other major locations. After the location is chosen enter in the the structure values, insulation etc.. On the bottom menu there will be an button to click that will explain more details. Only data for the US and Canada is listed so for other countries choose "X-Unlisted".  You can change the default values to fit your climate.




All comments, suggestions and criticisms are welcome. 


Disclaimer:Use this online load calculation program at your own risk.
This program has not been accredited by any organization and though much time
and effort has been spent to make it accurate there is no guarantee to its accuracy.

© copyright: 2011, Ocean Side Heating & Air - North Myrtle Beach,SC