China’s Existing Buildings Show the Scale of Efficiency Opportunity

The IEA reported that buildings account for approximately 20% of China's final energy consumption and estimated that strong policy and best-in-class technology could reduce energy use by up to 65% in buildings constructed from 1995 to 2010, saving more than 8,000 PJ.[13]

Analysis

This is a modelled potential for a defined building cohort, not a guaranteed result for every property or country.

Osmos Global analysis: the finding demonstrates the strategic importance of existing-building operations and retrofit. Asset condition, controls, incentives, finance and owner-occupier alignment determine how much potential is realised.

Leadership implications

For global owners, the Chinese analysis is a reminder that older portfolios can contain large unrealised potential. For policymakers, standards and incentives must reach existing stock. For operators, technical potential becomes value only through maintainable interventions and reliable controls.

Decision lens

Recommended action. Segment portfolios by age, condition, energy intensity and intervention readiness before setting retrofit priorities.