What should I keep my thermostat at in the summer to ensure optimal comfort while maintaining energy efficiency? As the temperatures begin to rise, it becomes increasingly vital to strike a balance between a cool indoor environment and the economic implications of excessive air conditioning. Is there an ideal temperature that allows us to feel refreshed without causing our energy bills to skyrocket? Furthermore, how do factors such as humidity, personal comfort levels, and the presence of children or elderly individuals influence the ideal thermostat setting? Should one consider programmable thermostats or smart home technology to automatically adjust the temperature throughout the day based on patterns of occupancy? What role does insulation play in achieving a consistently comfortable atmosphere, and how might external shade sources, like awnings or trees, further enhance the effectiveness of the thermostat settings? In the quest for the perfect summer temperature, what expert tips can guide us in making informed decisions?