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The IW25-5 In 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 IW25-5 IN WALL Dehumidifier system with Bi-Polar Ionization Technology utilises its integral humidistat to monitor the indoor conditioned space. When the relative humidity goes above the selected setpoint, the dehumidifier will energise. As air is drawn across an evaporator coil, which is cooler than the dew point of the air, moisture condenses. 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.
IW25-5 In-Wall Dehumidifier with combined Bi-Polar Ionisation Technology is recessed and fits in a 2 x 6 wall or through a 2×4 interior wall. For semi-recessed applications, an IDS Exterior Sleeve (sold separately) can be used.
Includes: the IW25-5 IN Wall dehumidifier with a bi-polar ion generator, 1 in-wall front cover, 1 in-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 purchase. The mounting screws are not provided with purchase because the type needed may vary.
Our team is available to help find the best fit for the IW25-5 On-Wall Dehumidifier.

Our team consists of passionate and dedicated individuals who are committed to providing exceptional customer service. We believe in treating our customers like family and always go above and beyond to ensure their satisfaction.
Technical Sheet (pdf)
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