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by tszymczyszyn
3307 days ago
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It seems nobody has mentioned a near-epidemic of respiratory system infections caused by air-conditioning. And I do not mean the cases where A/C is infected with some rare bacteria (e.g. Legionella) often causing death. Usually it is just common cold or sinusitis caused by overly chilled and dry air. I wonder what are the health-related costs of overusing A/C in moderate climate. |
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The dew point in January during a cold snap spends weeks around -20F. This is fairly self evident, we have some crisp dry snow free mornings around -10 to -20 every winter and obviously if the dew point were above -20 it would be snowing at that time, or at least cloudy. If I try to humidify the house it'll just get moldy so I let it dry out instead.
I have noticed my hands get dry skin problems, skin cracks and gets infected, when the dew point is below freezing for a couple weeks. Winter is a bad time for static sensitive electronic experimentation. I participate in many winter sports activities and when the dew point is -20F you don't have to sweat much to get hypothermia or dehydrated. Dehydration is a big problem for long distance hikers in the winter, you have to carry the water in a thermos or it'll freeze and tradition is to drink caffeinated hot beverages which makes you pee which dehydrates you faster than not drinking at all.
You'd have to live in an interesting climate where the dew point in the winter is higher than the dew point in an air conditioned house in the summer.