+44 203 286 8189 steve.jones@westside-int.com

Effective low temperature dehumidifier

The Rosahl dehumidifier is designed to work effectively throughout an operating temperature range of below -10C to 50C (14 – 122F). It is not affected by the freezing point of water as it operates at the molecular level.  The memrane at the heart of Rosahl works...

Rosahl FAQ’s

If you have a question, try the new FAQ section or use the ‘contact us’ page ROSAHL uses a unique membrane to remove moisture from enclosures through electrolysis.  This gives it a number of benefits over traditional methods of air drying: it is very...

ROSAHL thumbnail size dehumidifiers

When we say the thumbnail sized ROSAHL ionic membrane is the world’s smallest dehumidifier we really mean it’s the world’s smallest electrical low-powered; maintenance free; long-life; vibration-free dehumidifier. The mounting measures 24 x 30 x 5.5...

Micro dehumidifier with macro advantages

The ROSAHL solid state dehumidifier uses an advanced polymer membrane to remove moisture from industrial and commercial enclosures.  It was originally made to protect sensitive electrical and electronic equipment in remote or difficult to service outdoor locations....

Protect display cabinets

Display cabinet humidity control. Whether for display cases or long term storage cabinets, using the unique ROSAHL dehumidifier offers huge benefits over conventional air drying solutions. ROSAHL is a family of compact, low power, long life devices that use...

It goes where no other dehumidifier can

It goes where no other dehumidifier can Rosahl is a revolutionary micro dehumidifier designed for use where no other dehumidifier can go, such as remote locations of where servicing is difficult. It was designed for enclosures and small spaces where long-term,...

Low energy membrane dehumidifier

Low energy membrane dehumidifier Mitsubishi Electric has developed a maintenance free low energy membrane dehumidifier for cabinets up to 4m³ or 140 cu ft. Called Rosahl, low energy membrane dehumidifier utilises porous electrodes on each side of a hydrogen-ion...

World’s smallest dehumidifier

 The World’s smallest dehumidifier Westside International introduces the world’s smallest dehumidifier for industrial and commercial applications.  The Rosahl RD-3 is 24mm wide, 30mm tall and 5.5 mm deep making it the world’s smallest dehumidifier.  This...