Part-load efficiency is rapidly becoming the most important measure of energy efficiency in chiller units. Around the world, new environmental standards are increasingly based on a combined part-load ...

A new variable-speed fan drive system with gearbox from Horton and Hub City provides more efficient cooling for rear-engine buses, motor homes and motor coaches with side-mounted cooling modules, ...

The way we control the speed of fan motors or pump motors has tremendously changed in the past two decades with the introduction of variable-frequency drives (VFDs), aka variable-frequency controllers ...

Horton Inc. says its VMaster and Stratis Di Viscous Fan Drive and Controller systems offer an economical choice for customers who seek the flexibility of variable speed along with optimal engine ...

N C Machinery is a venerated, Anchorage-based company. Its Power Systems Division supplies and services rental generator sets, primarily to Washington and Alaska. It maintains 18 support facilities in ...

In this video, we showcase our latest DIY project: upgrading the exhaust fan in our Nature's Head composting toilet to a ...

Fans are often used to ventilate agricultural buildings. Adjoining rooms with connecting air paths through open doors or manure channels can operate as a single room with a common negative pressure.

I've got a 120mm 120VAC fan I've been using as a desk fan, plugged directly into mains with a lamp cord. (Note for non-US readers: mains here is 120VAC, 60Hz, so I am using it at its rated specs.) I ...