SUSTAINABILITY
Regulating the temperatures of buildings is a huge contributor to climate change. According to the IEA, powering buildings accounts for 30 % of all the energy consumed globally, with 70 % of that energy going towards space and water heating.
On the other side of the spectrum, the IEA has found that air conditioning and electric fans contribute to around 10 % of global electricity consumption. Put simply, our built environment is inefficient when it comes to both conserving and staving off heat.
This is an issue that will only grow as the effects of climate change worsen and temperatures fluctuate more extremely. So, what can be done to address this crisis? Renewable energy seems like the obvious solution. It isn’ t, however, the cheapest, easiest or most sustainable solution.
‘ Retrofitting’ offers a way forward that doesn’ t require huge demolition or construction projects, or an overhaul in global energy systems. But what is it? In the simplest terms, retrofitting means upgrading existing buildings to improve their energy performance.
It is a process that typically involves enhancing insulation, replacing outdated heating systems, installing double or triple glazing and sealing any gaps that allow warmth to escape.
Retrofitting can also help to keep buildings cool in the warmer months by improving airflow, shading( using shutters or high-quality blinds) or adding reflective exteriors.
86 August 2026