What Is Net Zero Building? (Principle, Design & Energy Explained)



In simple terms, a net zero building annually produces more energy than it consumes using exclusively renewable energy. But, there is more to it.

There has been  substantial debate regarding the meaning of “net zero” and the criteria a net zero project should meet. The discussion has grown fairly in-depth, typical for a new concept.

Exploring and Defining Net Zero  Buildings

The energy generated to power a building or project must originate from renewable sources according to any definition of “net zero.”

How Ashrae Defines Net Zero Buildings

American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) is a global authority on energy and engineering, describes net zero as, “a building which, on an annual basis, uses no more energy than is provided by the building’s on-site renewable energy sources.”

Reducing the Energy Loads

Load reduction—lowering society’s overall energy consumption—is the first step toward a net zero society. We should concentrate on the energy performance of all new and existing buildings rather than just the net zero statistics.

Defining a Broader Definition

We must redefine the ideal net zero building as a net zero project that extends beyond one building or property, anchoring its end goal in building performance and its contribution to a net zero community. And a net zero future to close this gap in current net zero thinking.

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