A technician often has to sketch or design ductwork and the other parts of an HVAC system. Sometimes you have to sketch the room or building you are working with. This means working with lines, angles ...

Does math bug you? The problem is, you must use math in this technical HVAC world. No matter what part of the HVAC industry you are in, this book will painlessly give you all the math you need to know ...

Sandwiched between the oil workers of North Dakota and the animal breeders of Wisconsin are Minnesota’s … mathematicians? The news website Vox.com created a map of each state’s “most distinctive” jobs ...