Air source heat pumps are made up of an outside unit and an inside unit. They can also be hooked up to ducts, like a furnace. Mitsubishi Electric Trane HVAC US (METUS) By Francesca Paris Heat pumps ...

As the summer heats up, you might think it’s a little odd that we’re talking about heat pumps, but did […] The post Why Heat Pumps Are The Smart Choice for Heating and Cooling appeared first on Pro ...

Under the moniker Gross Glass, Henry Gross makes tiny marvels out of glass, using oxygen propane torches to manipulate glass rods and tubes.

The heating furnace is a kind of nonlinear, pure hysteresis, large inertia, strong coupling, time-varying system. It is difficult for the traditional PID control to achieve stable and energy-saving ...