Systems Help Center

Dan Holohan talks with Bryan Orr of HVAC School about how he got his start in the industry, pumping away, classic hydronics, and more in this entertaining podcast. Click ...

It’s the way the radiator sections go together. They may be nippled together at both the top and bottom, or just at the bottom. Older steam radiators have nipples across ...

Q: If I decide to move a cast-iron radiator, where should I reinstall it? A: Ideally, a cast-iron radiator should be under the window (that’s where the greatest heat loss...

First, take care with those old pipes. Make sure you’re using two wrenches when you’re loosening the union connections. Assume the position, and then turn one wrench whil...

Maybe. It all depends on how the long-gone manufacturer assembled the radiator. A cast-iron radiator goes together in sections, like a loaf of sliced bread.

If you were to ask someone with knowledge of the hydronics industry, “What’s the first thing that comes to mind when you hear the words ‘PEX tubing and hydronics’?” chanc...

The Boyertown Foundry is the big guy on the stool over there who is sometimes quiet, but who rises with pinpoint violence when needed. There is a fury about him that you ...

A few years back (I’m thinking around the middle of 2012-2013), I found myself sitting at a table in Atlanta, GA with several HVAC industry folks. One man in particular g...

For aging buildings — or newer structures with piping-performance issues — the decision to continue repairing the existing plumbing and heating systems versus doing a tot...

Steam systems ain’t what they used to be, or at least so it would seem to some homeowners. The fact of the matter is that many retrofit steam boilers – under certain cond...