AET (Architect's / Engineer's Energy Tool.)
Familiar with building feature terminology, Windows Apps downloads, and building properties that affect a building's heat gains and losses.
Architetcure and engineering schools. Students of architecture and engineering, practicing architects, practicing engineers, and building professionals.
Done mostly by clicks on the screen icons: Select building type, climate (country and city), HVAC system type, building insulation materials, electric utility rates, fuel prices, building sketch (which is the only thing not available as a default)
Building annual energy use and utility bill, peak heating and cooling loads, the building performance (known as the EUI, or Energy Use Index.)
Totally graphic user interface - very few numerical data required. The built-in climate database. Drawing package in lieu of manually/numerically defining wall areas, roof area.