Most noncondensing residential furnaces use natural draft to drive the combustion process. Even 80%-AFUE furnaces with combustion blowers are natural-draft furnaces. The combustion blower in an 80% ...

Many years ago, someone — I honestly have forgotten who — told me: “Thermodynamics isn’t just a good idea, it’s the law.” Anytime you conjure up a new idea about how a heating or cooling system might ...

The presence of unburned fuel in a power plant’s ash indicates an inefficient combustion process, as some of the energy in the fuel is being wasted. Unburned fuel also poses a risk to safety; if ...

“That’s too much — no one else even mentioned we’d need an expensive liner — you trying to rip us off here?” Chimneys — you can’t live with them and you can’t live without them — or at least you ...

Editor’s note: In this second installment of our Power 101 series (the first installment was Flue Gas Heat Recovery in Power Plants, published in three parts: Part I, Part II, and Part III), we ...

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