Energy-efficient living in Victoria: How Passive House design can cut your energy bills by up to 90 %

Passive House, also known as Passivhaus, is a quality-assured building standard focused on five pillars: high insulation, extreme airtightness to 0.6 ACH50 or better, high-performance windows and doors, mechanical ventilation with heat recovery, and thermal-bridge-free construction. It also sets comfort limits for summer so homes remain pleasant during hot spells. In Melbourne’s climate, those pillars deliver a snug, quiet home in winter and a cooler, steadier home in summer, with tiny heating and cooling systems doing the work

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