It started with a typical call and a typical request from a favorite contractor. He wanted pricing on a pair of high efficiency boilers which is pretty routine, but in this case would be replacing a ...

When designing or replacing a low pressure steam boiler, throw out everything you know about hydronic boilers. A steam system is closer in operation to an air conditioning unit than it is to a ...

As I mentioned in last week's blog post, expansion tanks are required when water in a home can't expand back into the water main. This might be caused by a check valve, a backflow preventer, or a ...

Hover over main image for caption information. A typical oil fired forced hot water heating system, installed in 1980 was ready for replacement. The original boiler room equipment was removed, which ...