The Archimedes screw, an ancient Greek invention for lifting water. Learn about its origins, how it works, and its modern ...

Ask any seasoned home inspector about stuff that has gone wrong on an inspection, and they'll surely have a good horror story or two for you. I happened to be at an inspection last week when the ...

Description: WaterFurnace’s new TruClimate 700 Modular Screw Chiller, available in 90-, 115-, or 140-ton units, offers a variable speed, single-screw solution that is ideal for large tonnage ...