Indirect Heating Systems
In this video, Dan Holohan tells us about indirect heating. It is a method of heating that the old-timers used to warm fresh air before it entered a building. They placed...
Hot-Water Heating → Indirect Heating Systems Help Topics
This section is your guide to hot-water heating systems with information about system design and piping, air elimination, pumping away, primary-secondary pumping, valves, radiators, troubleshooting tips, and more.
Recent Articles in Hot-Water Heating → Indirect Heating Systems
Indirect Hot-Water Heating Q&A
Q: What's "indirect" heating? A: It's a method of heating the old-timers used to warm fresh air before it entered a building. Q: How did they do this?