Regarding the windows themselves, “opting for double glazing is beneficial for maintaining indoor temperatures, both in summer and winter ,” Little Worker reminds us. Admittedly, this is a more expensive undertaking, perhaps best considered for the summer of 2026. The same goes for wall and roof insulation, which is nevertheless “crucial for keeping your home cool during the summer ,” the startup emphasizes.
Insulate with bio-based materials
This guide suggests investing, “where possible, in bio-based insulation , “ which is the most effective for ensuring significant thermal lag, meaning the time it takes for heat to pass through a material. The longer it takes for heat to pass through the insulation, the cooler the home stays. For example, wood wool provides eight hours of thermal lag, twice that of expanded polystyrene.