Free Tool
Ghost Floor Energy Calculator
Calculate how much energy your empty or underutilized floors are wasting annually.
Question 1 of 50%
How many total floors does your building have?
About This Tool
Ghost floors are unoccupied building spaces that consume full HVAC, lighting, and ventilation energy as if they were fully occupied. According to the Carbon Trust (2023), unoccupied spaces waste 20 to 40% of total building energy. This calculator estimates your specific ghost floor costs based on vacancy, floor size, and current monitoring capabilities.
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