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The IW25-5 on wall wall dehumidification system helps lower indoor relative humidity, helping to prevent moisture issues. Designed to help reduce window condensation and high humidity quietly, inconspicuously and inexpensively. Partnered with the inbuilt Ozone free Bipolar Ionisation the IW25-5 actively improves the indoor air quality by cleaning the air and reducing mould spores, bacteria and viruses. And it’s not just germs that bipolar ionisation helps to eliminate. In fact, the ions produced through the technology help eliminate harmful volatile organic compounds (VOCs), odors, and other contaminants.
Key Features:
Controlled humidity
Clean indoor air
Quiet at 47dBA
Removes 33 litres per day (@30°C and 80%RH) in a maximum of 140 Sq. Mt. *
Inexpensive to operate
Hard Wire Capable
Direct Drainage
Tamper Proof

*Layout and moisture conditions vary in every apartment and home; in typical conditions, the IW-25 can maintain the RH of 59% or less but is not guaranteed. Moisture removal will vary in relation to unit’s power, temperature, and relative humidity. Amp draw varies at different climate conditions.
**47 dBA is tested in a controlled environment; levels may vary due to install and install location.
The IW-25-5 ON WALL Dehumidifier utilises its integral humidistat to monitor the conditioned space. When the relative humidity goes above the selected setpoint, the dehumidifier will energise. As air is drawn across an evaporator coil. This means moisture will condense out of the air. The air is then reheated through the condenser coil and distributed back into the room. The IN Wall dehumidifier is designed for recessed wall mounting. For semi-recessed applications an IDS Exterior Sleeve (sold separately) should be used. The ON Wall dehumidifier is designed for direct mounting on the surfaces of the wall.
At Breathe Pure, we use advanced Ozone Free, Bipolar Ionisation technology to actively clean the air in your home or building. This process mimics nature by creating positive and negative ions—tiny charged particles that occur naturally in fresh outdoor environments like mountains and waterfalls.
Hydroxyl radicals are known for their ability to destroy pathogens at a molecular level. Bipolar Ionisation achieves the same effect inside your air system, without the need for additional devices or chemicals. It’s a natural, safe, and energy-efficient way to keep your indoor environment healthy.
The built-in IW25-5 ON-Wall dehumidifier is designed for direct surface wall mounting on surfaces including CMU block, masonry, concrete, brick, etc.
The IW-25-5 ON Wall dehumidifier includes the IW-25-5 dehumidifier with bi-polar ioniser, 1 ON Wall front cover, 1 ON Wall washable air filter, 1 drain hose, and clamp, 1 power cord, 1 front cover tool, 1 set of tamper-resistant screws, and 1 Operations Manual.
All dehumidifier parts are included with the purchase.
The mounting screws are not provided with purchase because the type will vary based on mounting surface.
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