Something I've never noticed before, today is a relatively gloomy day. The nearby weather station with a solar radiation measuring sensor was reading at 100 w/m^2 or less. I went out in the yard and the dual panel aspiration fan is running like a champ. Yesterday I was 2 degrees cooler than most other stations locally, which has never happened that I can remember. I did lube the fan before putting it back on in February. My temps were never bad, just 2-3 higher than other stations near me last summer. It is still too much in my book even if within spec.
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