Riding the Metro – a lesson in efficient cooling

Commuters wait to board the arriving light rail in the Washington Metro stationI don’t know whether it’s global warming, climate change or as my spouse chooses to believe, the snow thrower we bought last year, when we thought more snowy winters to be in the offing.

I pulled the machine out of the shed in October, when we had a pretty serious snow – for South-Central Pennsylvania. About eight inches of the white stuff blanketed the ground. I cleared the driveway and the extra parking space – and have not used the machine since.

I suggested maybe we spent the money unnecessarily. Wife suggested it was money well spent.

On the other hand, Continue reading …