As previously stated , solar heat gain from windows is a huge AC load. Approx 12 square ft of unshaded south window is like running a 1000 watt electric heater. The other problem could be humidity from air leakage. An AC works harder to remove moisture from the air than it does to cool the air. Beats me why so many people run the AC all day drying out the house then they yank the windows open at dusk and let the humidity back in. It's not like they are saving power as the AC doesn't have to cope with the sun at night. An air leakage test with a 10HP fan mounted in the doorway always shows many large and surprising air leaks.
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Today's Featured Article - Harvestin Hay: The Early Years (Part 2) - by Pat Browning. The summer of 1950 was the start of a new era in farming for our family. I was thirteen, and Kathy (my oldest sister) was seven. At this age, I believed tractor farming was the only way, hot stuff -- and given a chance I probably would have used the tractor, Dad's first, a 1936 Model "A" John Deere, to go bring in the cows! And I think Dad was ready for some automation too. And so it was that we acquired a good, used J. I. Case, wire tie hay baler. In addition to a person to drive th
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