Every August, I make a short trip to a local event call the Woodsmen’s Field Days. This gathering is all about cutting down trees and then slicing them up into either firewood or lumber.

A tradeoff has always existed between the water temperature at which hydronic heat emitters are sized and their cost.

Most of you reading this column consider yourselves heating professionals.

I recently read an Internet posting asserting that heat pumps, both air-source and geothermal, should not be considered renewable energy heat sources.