Standard function

Thermal performance testing for solar air collector; Pressure drop test; Time constant test; Visual inspection; Internal pressuretest; Rupture or collapse test; Stagnation temperature; Exposure test; Externalthermal shock; Internal thermal shock; Rain penetration; Freeze resistance; Mechanical load; Impact resistance test using steel ball; Final inspection. All above listed tests of the standard EN12975-1:2006+A1:2010 and ISO 9806:2017 were passed successfully in accordance with the criteria.

The Solar Keymark is a voluntary third-party certification mark for solar thermal products, demonstrating to end-users that a product conforms to the relevant European standards and fulfills additional requirements. It is widely spread across the European market and beyond. The Solar Keymark is a quality label.

2-in-1 function

Nakoair® Solar air heater  No cost for heating  Purify indoor air every day  Dehumidification  Humidification  A healthy and warm home. Avoid moisture, mold, fungus, HCHO, TVOC, benzene, ammonia, odor for free.


On a sunny day, the temperature of the injected air is approximately 5-30ºC higher than the outdoor or indoor air inlet temperature. In addition,the air temperature on the sunny side usually rises more than 10 °C under the big sun.


Approx. 5 To 140 M³/H Dry, Warm Air Is Blown Into The Room. The Room Air Can Be Exchanged Within 2 Hours. Ventilate regularly to purify the air every day. Avoid moisture, mold, fungus, formaldehyde (HCHO), TVOC, benzene, ammonia, odor. 

Dehumidification and Humidification

Optimum level (for comfort as well as building quality) is a relative humidity (RF) of 40-70%. Absorb room moisture and drain out the room. Ventilation + Heating = Dehumidification. Make sure the value of your holiday home and wooden furniture.

Always supplying you a clean and healthy family

Improvement on the dwelling atmosphere---- bring in oxygen and reduce carbon dioxide; discharge unpleasant odors which might cause allergies and discomfort; control the temperature and moisture of the room, prevent the emergence and spread of bacteria. When dry and warm air keeps flowing in the room, the damp, rot or mold would be long-term reduced.


Holiday homes; Residential and commercial buildings; Cabins and summer houses; Caravans and tents; Greenhouses and drying rooms; Cellars and storage rooms; Football and other sports rooms; Houses without electricity.

Nakoair® Warranty conditions

SUNON fan life expectance: 70,000h; 40,000h warranty. Thermostat, air outlet can be replaced free of charge within 2 years. The lifespan for solar pv panel is 20 years, guaranteed for 10 years. While glass and aluminum materials are with long lifespan .

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