They also note that in some cases when the unit is started, the induced draft motor operates, then shuts down before the ignition is accomplished, but after disconnecting the power supply, the draft ...

When trying to sell a customer a high-end furnace, contractors may espouse benefits such as higher efficiencies, which usually translate into lower utility bills. Quieter operation is also a good ...

Pneumatic furnace damper drives may be more common, but electro-hydraulic actuators provide several advantages to the more traditional control scheme. One fossil-fired plant in Taiwan achieved more ...