Bringing in outside air directly can lead to all sorts of problems. The only time it is acceptable to do that is when it is providing combustion air for a furnace, boiler or water heater. Then, the a… (View Post)
Absolutely learn the electrical side of the trade. All the rest of the controls side builds on it. Physics helps, especially with the hydronic side. One thing not mentioned is just as important as te… (View Post)
I am not familiar with a ceramic core, but the ones I have had experience with used a metal heat exchanger, a hygroscopic paper core or a dessicant wheel. All work the same way, moving heat from the … (View Post)
Paint consists of a powdered "pigment" suspended in a liquid "vehicle". The "vehicle" evaporates and the pigment is left on the surface. Water-based and oil based paints… (View Post)
Professional chimney sweeps usually belong to the Chimney Sweeps International Association (CSIA). They have a website and their members are listed there. I think it is www.csia.com. All carry photo … (View Post)