• "Two small delta Ts are better than one large delta T." can't argue with that. #
• So is an "earth tube" just another word for "ground-source heat pump" ? #
• @richardbooth glad to hear it. #
• @richardjenkins mmmm, tasty moths. #
• This year's 18-year-olds have never been "Saved by the Bell" http://bit.ly/fTjxU (h/t @owenblacker) #

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