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Learn how different types of shutters affect fan performance. Shutters are an accessory item used to seal off backdrafts when the fan is not operating. Air flows to a fan from inside the building [...]

We compare three methods of controlling variable speed fans. Voltage regulation (Triac) This method is the simplest and most common method for reducing the cubic feet per minute output of fans. A [...]

For reliable back-up power, schedule generator maintenance and have operating procedures in place. Our modern production facilities rely on electrical power to maintain their environmental, [...]

A well-designed facility includes back up systems to prevent losses from power outages or equipment failures. Begin with examining the actual wiring scheme of the fans, controllers, and override [...]

Cherkizovo Group discusses factors influencing their choice of equipment for their most recent building project. The following article contains excerpts from an interview with Brad Heron, [...]

Producers considering group sow housing should consider an alternative to ESF. Modern agriculture embraces many new technologies — smartphones, wireless climate sensors, GPS crop monitoring, [...]

Retro of existing farrowing rooms adds square footage to accommodate larger litters without reducing the total number of crates. While litter size has steadily increased from 7.5 in the [...]

Preliminary field test reveals similar gas levels in buildings with and without pit ventilation. Pit fans are commonly used on buildings with deep manure storage to reduce the number of gases and [...]

A new control system allows larger fans to be converted to variable speed with improved accuracy and reduced energy consumption. Most fans used for minimum winter ventilation rates tend to be [...]