Energy-saving calculation (省エネルギー計算) is the process of evaluating and analyzing the amount of energy consumed in buildings, facilities, or engineering projects. This process helps identify effective measures to reduce energy consumption, ensure compliance with regulatory standards, and contribute to environmental protection.
Reduce energy bills through efficient energy use.
Reduce carbon emissions, contributing to the fight against climate change.
Meet energy efficiency standards in construction, such as those outlined in Japan’s Building Standards Act.
Ensure the building maintains long-term energy performance.
Energy-saving calculations are commonly used in:
Residential buildings: To evaluate the efficiency of systems such as air conditioning, lighting, and household appliances.
Urban planning projects: To support proposals for green building solutions.
Energy-saving performance is evaluated based on two main criteria: “envelope performance” and “primary energy consumption.”
The certification system displays the energy-saving performance of buildings, including residential houses, using a star rating system.
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