My house is about 2100 sq feet, two stories (on an unvented basement), with two A/C units. We run the bottom floor at about 71 during the day and top floor at about 74. At night we run the bottom floor at about 75 (which it never really hits) and the top floor goes to 64 (menopause is NOT cheap). We use Cobb Energy and our bill averages $300-$325. The house was built in 1989 so the insulation is what it is, btu we did have two new A/C units installed about 4 years ago and we run the NEST thermostats.

