2-in-1 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.

Z Collecteur d'air OS22 Réchauffeur solaire：Aérotherme chauffage climatiseur Climatisation Déshumidificateur Pompe à Ventilation Déshumidification Oscar

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.

Standard Function

Air collector OS30LCD Solar air Heater heating air Conditioner Conditioning Exhaust Fan Ventilator Thermal Panel Dehumidifier Heat Pump Ventilation Dehumidificatio OSCAR

Nakoair OS30LCD Solar Air Heater with LCD Thermostat – Digital Control – Up to 50m²

€499.00 €550.00

4 In Stock

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Powerful Heating Meets Smart Control – For Rooms Up to 50m²

The Nakoair OS30LCD combines the high-capacity heating of the OS30 with our smart curved LCD touchscreen thermostat. Perfect for larger frequently-occupied rooms where precision comfort control matters. Heat up to 50m² with free solar energy – automatically.

🌟 Why Choose the OS30LCD?

  • High-Capacity Heating: 105 m³/h airflow for rooms up to 50m². 15°C temperature boost on sunny days.
  • LCD Smart Thermostat: Real-time indoor/outdoor temperature & humidity display. Touchscreen control.
  • 5 Operating Modes: Auto, humidity control, manual, heating, and ventilation – total flexibility.
  • Automatic Energy Switching: Solar-powered when sunny; automatically uses minimal electricity on cloudy days.
  • Automatic Air Vents (×2): Open and close automatically. 8mm insulation cotton prevents heat loss when off.
  • 780 kWh/Year: Exceptional energy yield. Payback in 2–3 years.

🔧 Technical Specifications

Model OS30LCD
Recommended room size Up to 50 m²
Max air flow 105 m³/h
Temperature rise Approx. 15°C above outdoor temperature
Annual heating delivered Approx. 780 kWh/year
Heating efficiency 70%
Thermostat LCD digital touchscreen, 5 modes, auto solar/electric switch
Air vent Automatic open/close (×2), thermal insulation
Filter Activated carbon (dust, odor, insect, noise)
Fan SUNON 12V, double ball bearing, 70,000h lifespan
Certification EN12975, ISO9806, TÜV, Solar Keymark, CE
Warranty 10 years (panel), 2 years (parts)

🏠 Perfect For

  • Main living rooms & open-plan spaces (up to 50m²)
  • Homes where someone is present most of the day
  • People who want precision digital climate control
  • Workshops & studios where comfort matters

💡 Smart Features Explained

Automatic Ventilation: When outdoor temperature is higher than indoor (spring/autumn evenings), the system automatically ventilates to warm or cool your home naturally.

Humidity Control: Automatically compares indoor and outdoor moisture content. Dry outdoor air pushes out humid indoor air – naturally dehumidifies. Or vice versa in dry climates.

📦 What's In the Box

  • OS30LCD solar air heater main unit
  • LCD digital thermostat (curved touchscreen)
  • 5–12V USB voltage boost cable
  • 135mm hole saw
  • Air duct, automatic air outlets (×2)
  • Activated carbon filter
  • Mounting accessories & manual

❓ FAQ

OS30 vs OS30LCD – which should I choose?

Choose OS30 if you want simple, reliable mechanical control. Choose OS30LCD if the room is frequently occupied and you want precision comfort, auto modes, and real-time climate display. For frequently used rooms, we recommend the LCD version.

✅ Certified & Trusted

TÜV Rheinland | EN12975 & ISO9806 | Solar Keymark | CE marked

Price includes VAT and customs duties. Free EU delivery to your door.

Nakoair solar air heater plant

About Nakoair

Oscar Science & Technology Co., Ltd. is a professional manufacturer of solar air collectors / heaters and solar ventilators. Nakoair® solar air heaters with LCD thermostat provide a healthy, warm home and automatically manage indoor air — simple to operate, thoughtful air-management experts.

Certifications & testing

Our products are certified and tested to international standards, including ISO 9001:2015, TÜV NORD, European Solar Keymark (EN ISO 9806) and TÜV Rheinland test reports. Every unit is built to EN12975 and TÜV standards.

Quality first

With in-house development and testing labs, we rigorously test air volume, temperature difference, insulation, UV-resistance, climate-resistance and water-proofing across materials. That is how Nakoair® delivers consistently better quality.

Sustainable innovation

By adopting high-tech materials such as low-iron ultra-pure glass and special nano-insulation coatings, we are committed to sustainable development and continuous innovation.

Worldwide

Nakoair® solar air heaters are sold in many countries — the UK, Denmark, Germany, Czechia, Australia, New Zealand, Canada, the USA and more. Year after year, Nakoair® grows in popularity thanks to its high performance and competitive price.

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