Using Mother Earth to heat snow-melt systems

摘要

We discussed the potential of solar thermal energy as an alternative to conventionally powered snow-melt systems in last month's column (pg. 24). This month, we will begin to look at Mother Earth as an energy alternative. It's funny how at times we think we have a really great idea, only to dis-rncover that many other people have had the same idea and have, in fact, put it to practical use.