The cost can seem steep but for occasional use the level of care is outstanding. (havebabywilltravel.com)
For now, it definitely looks like we're getting close to setting up a really nice way of using the level editor. (playstationlifestyle.net)
As another approach, outcome - based building energy codes are aligned with technology performance and provide target energy use levels for a building as a whole. (cleanenergysolutions.org)