summer

Save heating / cooling costs by instead constantly painting and repainting your roof white and black, as the seasons change! Results in full employment for house painters, too.

Sep 20, 2021

Environment, Household

air conditioner, air conditioning, heater, heating, house paint, housepaint, paint exterior, summer, sunlight, winter

Background: In temperate latitudes, people frequently heat their homes in winter and cool their homes in summer. The Issue: The main source of heat is the Sun. So in the hot summer, a homeowner would want their roof & sun-facing walls to be reflective. But in the winter, they’d want the opposite—the roof should ideally…