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Heat Loss Calculation Sample

Heat Loss Calculation

Building Permits

When the building permit office asks for a heat loss/gain calculation for your project, we can help.  Our proprietary software enables us to rapidly generate your heat loss/gain calculations, with less cost and time than traditional software.  Typical turn around times are less than a week, and costs are very reasonable.  We strive to make sure your project is done right, on time.  We certify and include everything required for the HVAC portion of the building permit.


Get the job done right, without the guess work of trying to guess duct sizes and appliances sizes. We can take care of all that for you.  Our calculations will provide you with an exact size of equipment and ductwork.

Home Owners

Building a new home is a challenging project. We can help make it easier. Our new home HVAC Design package will make getting through the permit office a breeze. We include everything you need for your new home.

Good Engineering Practices We Conform To

Check CSA-F280-12 Residential Heating and Cooling Capacities
Check Ontario Building Code, National Building Code of Canada
Check HRAI Good Engineering Practices