CSA F280 Heat Loss & Gain Calculations
Professional residential HVAC load calculations for Canadian design workflows, with structured project inputs, room-by-room data, and report-ready summaries.
Built around the way residential HVAC projects are prepared
EnerXCo organizes the CSA F280 workflow into clear steps so project data, assemblies, rooms, and output summaries stay easy to review.
Create project
Start with project details, location, and design conditions.
Define building inputs
Enter geometry, exposure, assemblies, windows, doors, and ventilation data.
Add room data
Build room-by-room inputs for a clearer project load breakdown.
Review results
Generate heating, cooling, and room summary outputs for review.
A practical tool for residential design professionals
The calculator is positioned for users who need structured, repeatable project workflows without turning the interface into a complex engineering desktop program.
HVAC designers
Prepare heating and cooling load summaries with organized project inputs.
Energy advisors
Keep building envelope, room, and ventilation assumptions easier to review.
Residential builders
Support project coordination with clearer design documentation.
Build your first residential load calculation project.
Use the calculator to organize the project workflow, enter room data, and prepare load summaries for review.
