Hot and cold running water heaters

I ’m writing this toward the end of the latest cold spell. I don’t know about you, but I’d like to see a 70-degree day right about now. The fact that Zack has had a bad cold and a trip to the ER during this bout of frigid weather made everything worse. Before his cold worsened, he set up the Kitty House in one of his shops–to keep the barn cats from turning into catsickles. He covered his…