Following are the ground parameters:
Space to be cooled = 900 square feet with a volume of about 7,200 cubic feet.
3.5 ton 2 stage AC unit set to maintain 81F.
Blinds were generally closed.
Normal power use items always on - Computer equipment, fans, flat screen TV
Power appliances cyclical: water heater, refrigerator
Occasional use: Convection stove top, microwave, washer and dryer
The following scatter chart reflected energy consumed as compared to the average outdoor temperatures over a period of 8 days where the daily highs ran a gauntlet from 88 up to 96 degrees. Nighttime temperatures averaged from 60 to 68F. In other words a pretty typical period with partly cloudy skies thrown in for good measure.
|Click to enlarge|