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> Something is very wrong here if your house/apartment is getting cold and a CO2 meter near a window is not dropping. Author should take it outside and check to see a number <500ppm (probably closer to 420). Device could be broken or poorly calibrated. It happens.

She tried that: "I wondered, briefly, if my neighborhood just had terrible outdoor air quality—or if my device was broken. Within minutes of my bringing the meter outside, however, it displayed a chill 480."



Thanks, I read too fast.




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