Experts say the United Kingdom’s growing demand for air conditioning should be approached cautiously as heatwaves intensify. Reporting from multiple outlets points to concerns about household overheating and the limited current use of AC nationwide. A 2025 report cited by Free Malaysia Today estimates that around 5% of British homes have air conditioning, while about half of homes overheat during summer months. The Hindu adds that household uptake accelerates during extreme weather, noting that after a second heatwave in 2026 last month, more British households turn to air conditioning. Taken together, the coverage highlights a mismatch between rising cooling needs during hot spells and the relatively low penetration of AC across the country. The expert caution referenced in the reporting focuses on the implications of increased consumption and installation during heat events, though specific policy or technical recommendations are not detailed in the provided excerpts. Overall, the articles describe a situation in which demand for AC increases in response to repeated heatwaves, alongside ongoing concerns about overheating in many homes.