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North American Dehumidifiers (60hz)

The United States, Canada, and Mexico utilize 60hz electrical frequency.

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International Dehumidifiers (50hz)

If you’re outside of North America, please confirm your region’s electrical needs, which may be 50hz or 60hz.

exhaust side of Quest 335 dehumidifier, showing power cord

What’s the difference?

Dehumidifiers in Europe and many other regions operate at 50Hz, in line with local electrical standards. These standards specify that the electrical power alternates at 50 cycles per second. In contrast, North American dehumidifiers function at 60Hz, matching the alternating current frequency used in the United States and Canada. The design differences in frequency-specific dehumidifiers include:

  • Motor and Compressor Tuning: Devices are engineered to match the cycle rate of their region’s power supply. A 50Hz dehumidifier is calibrated for areas with a 50Hz electrical output.
  • Operational Efficiency: Adhering to local frequency standards ensures optimal performance, energy efficiency, and protection of the dehumidifier.

Using a dehumidifier outside its intended frequency zone leads to several issues:

  • Reduced Performance: Operating a 50Hz device in a 60Hz zone may decrease efficiency and increase electrical consumption.
  • Premature Failure: Incompatible frequency use accelerates wear on the motor and compressor, risking premature failure.

Manufacturers therefore recommend selecting a dehumidifier that corresponds to your region’s frequency standard to avoid these problems and ensure the device functions properly.