Over the last couple of years, I’ve sold most of the remaining HVAC parts and components I had. Sometimes, I wish I hadn’t, but there’s only so much you can store in a 410-square-foot shop.

Now that winter is in our rearview mirror, it’s time to review some of the core basics of an efficient, trouble-free hydronic system — starting with the concept of pumping away from the point of no pressure change.

Choosing a career path isn’t the easiest decision when you spent the better part of high school doing everything but studying.