What is Passive Building?

- These charts represent the annual energy consumption of two buildings: one conventional and one passive

- Lighting, Appliance and Domestic Hot Water (DHW) use is consistent throughout the year

- Heating and cooling varies based on the building’s climate

- Total annual energy consumption is the area under the red and blue curve combined

- Total peak power consumption is the bold black dot at the peak of the curves (most amount of energy spent at a given moment during the year)

- Passive building flattens those peaks and valleys 

- This chart shows a heating-dominant climate, but the same concepts apply for cooling-dominant climates

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