I live in a two floor home in So CO. I use what I learned very young: hot air rises, cool air sinks. So when inside and outside temperatures match during the

I live in a two floor home in So CO. I use what I learned very young: hot air rises, cool air sinks. So when inside and outside temperatures match during the rising morning temps, I seal up the downstairs, and close all blinds except for north facing windows. As a habit, it takes almost no time and helps us maintain our status as the bottom 2% of energy consumers in the region.