When it came to choosing the three “big” boiler air fans—forced draft, induced draft and primary air—the decision revolved around efficiency. Proper air and gas flow are necessary for ...

A gas supply operation in North America commissioned three new steam boilers in a plant expansion project that included a Robinson forced draft (FD ... when heavily throttling fans that are meant to ...

Cooling towers are impressive pieces of equipment, and manufacturers brought them out in force at the 2004 International Air-Conditioning ... centrifugal forced-draft fans to ensure quieter operation ...

Our home’s original forced ... furnace that was burning 80,000 Btu all the time during the heating season. A couple of additional points— Fan-speed adjustments: I do not have the ECM motor set up the ...