Description: Equipped with mechanical capacity control and an extensive application limits diagram, the semi-hermetic compact screw compressors are suitable for use in industrial liquid chillers and ...

Description: Rated Voltage: 24 Volts, Rated Current: 0~0.50 Amps. EC fan type, temperature resistant aluminum alloy, ball or sleeve bearings. Maximum Pressure: 0~1 ...

Measuring air flow in an HVAC duct can be a tricky business. Paddle wheel and turbine flow meters introduce not only resistance but maintenance issue due to accumulated dust and debris.

Many readers will be familiar with the Dyson Air Multiplier, an ingenious bladeless fan design in which a compressor pushes jets of air from the inside edge of a large ring. This fast-moving air ...

The radiator fan (or fans) pulls cooling air through the car’s radiator. Positioned between the radiator and engine, cooling fans are particularly helpful when the car is stationary or moving at ...

Ceiling Fan Ratings Keeping your house cool starts with using a high-performing ceiling fan. We rate each ceiling fan on air flow, noise, and adjustability so you can easily compare models.

Staying cool will be a challenge and a necessity. Is it better to use a fan or air conditioner to beat the heat? The best answer can vary from person to person, depending on several factors.

The best cooling fans create a pleasant, quiet breeze, helping you to feel cool in stuffy rooms without driving you crazy with incessant whirring. Our extensive testing includes a range of objective ...

It’s no substitute for air conditioning, but if you’re desperate for a respite from unrelenting heat, a portable neck fan can help keep you cool—even if you don’t necessarily look that ...

Since the air flow here is more directional than others, fan noise could be an issue for some users. It’s fine up to speed five but once you ramp it up to between eight and ten, the noise of the ...

many air conditioners generally work the same way: Full diagram of an AC unit, showing the flow of refrigerant through the coils and the fans that pull air in and push air out of the unit.