Assembling prior columns, updating older information, along with some new content for the four eBooks has been an interesting review of my 48-years as a mechanical contractor. 

Looking back to 1991 when we first started searching for home designs, there was a radiant heating revival underway in the USA. 

Waterborne diseases were, at one time, the largest health threat to human life.

We just finished unpacking and sterilizing our peapod grocery delivery this morning: Anything going in the house was wiped down with paper towels soaked in Clorox disinfectant.