EE4
Use EE4 to assess the energy performance of your design and verify design compliance against the Model National Energy Code of Canada for Buildings (MNECB) requirements.

RETSCREEN
RETScreen can be used worldwide to evaluate the energy production and savings, life-cycle costs, emission reductions, financial viability and risk for various types of energy efficient and renewable energy technologies (RETs). The software also includes product, cost and climate databases, and a detailed online user manual. Other tools include: a case study based college/university-level training course; and, an engineering electronic textbook.

Energy-10
Integrated design for energy efficiency, daylighting and thermal design.

Rhvac
Energy Use and Humidity

DOE-2
Hourly energy use and cost