Various states’ legislators have taken sides in the debate over the IRC mandatory residential sprinkler requirement. Two states have my support, but one definitely doesn’t.
Besides requiring no antifreeze, some also eliminate the need for heat exchangers between the collector and water in the storage tank - minimizing supply water temperature and maximizing efficiency.
The inventor of a new plumbing product caught me at lunch recently, just as I was reading a Wall Street Journal article about companies that continue to innovate during the