I just went out to the shed and thought I'd measure the toolbox temps with my handy dandy little infrared - they're all 71 degrees! I was shocked... I figured they'd be low to mid 60's. The big 1/2" metal table from hell was higher at 74 degrees - but that is because it's closer to the overhead lights in that lowered ceiling area (the boys room is above it so that machine area has an 8' ceiling whereas the rest of the shop is 20+).
What I've found out about having everything "warm" in the winter - and not having any heat source except the lights - is that when I open the big doors - the air temp drops - but once I close 'em back up everything is toasty again in a hurry. The doors get opened if I'm moving a car in or out - or something else that needs to come in through the big doors... but I don't leave them open any more than required!
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