If you’ve visited The Confluence Building in Castlegar lately, you’ve probably noticed we talk a lot about being Passive House certified. But what does that actually mean – and why does it matter for you, for Castlegar, and for the planet? The Short Answer Passive House is the world’s most rigorous, proven, and science-based energy-efficiency standard for buildings. A certified Passive House uses up to 80 % less energy for heating and cooling than a typical building, while s