Each room is as cool as the next. I have known people who put on a sweater in their air conditioned house instead of trying to find a setting that is cooler than the outdoor temperature, yet not freezing cold. These people have a lot of expendable money, and do not mind their big energy bills. I have separate air conditioning units in my windows, and I even have a portable ac unit to deal with my cooling requirements Air Conditioning Repair Tucson AZ .
On the other hand, I have to watch my energy usage, which includes my air conditioning bill throughout the summer season. I wait until the temperature inside is too high to be made tolerable with a fan. That is when my window air conditioning units pay for themselves. On the other hand, some people say that re-cooling your house every day expends more energy than always leaving it at one temperature. In my case, my method works best for me, according to my electric bills!
The only locations I cool are the rooms in which I live. This gets rid of the restrooms, utility room, pantry, and porch locations. In the cool of the night, I open my windows and let the cool air get in. I close the curtains and windows in the morning before the sun rises. If I run out the house throughout the day, the units are shut off. When I return in the evening, the units are switched on the lowest setting it will take to make the rooms I am using comfortable. I do not cool my bedroom up until an hour before bed time.
If I am home throughout the day, the windows and curtains remain shut. The units are switched on the lowest setting possible. I confine myself to the immediate living areas; kitchen area, living room, or den. The unit in my bedroom is shut off. A cool shower during the day helps me to adjust to the temperature. I do not want to have to cool the house due to the fact that I have worked up a sweat cleaning or working out. These few, simple tips keep my energy costs down, and help me to remain comfortable in the heat of summer.