<human>:  What is the most popular trend in luxury homes in 2020?
<bot>: The most popular trend in luxury homes in 2020 is eco-friendly designs that are focused on sustainability and energy efficiency. Homeowners are opting for renewable energy sources such as solar panels and battery systems that allow them to generate their own electricity, as well as utilizing materials such as sustainable and reused timber and stone, to reduce the environmental impact of their home. Additionally, smart home automation and voice-control systems are becoming increasingly popular with luxury homeowners, allowing them to control their home's environment and energy efficiency from anywhere in the world.