Nakoair OS20LCD Solar Air Heater with LCD Thermostat – Digital Temperature Control – Up to 30m²

Smart Solar Heating with LCD Thermostat – Set It & Forget It The Nakoair OS20LCD combines the proven OS20 heating performance with a smart curved LCD touchscreen thermostat. See real-time temperature and humidity. Choose from 5 operating modes. Automatic solar-to-electric switching. The most convenient way to heat rooms up to 30m² with free solar energy. 🌟 Why Choose the OS20LCD? LCD Smart Thermostat: Curved touchscreen displays indoor/outdoor temperature & humidity. Precision comfort control. 5 Operating Modes: Auto, humidity control, manual, heating, and ventilation – adapt to any weather. Auto Energy Switching: Uses solar power when sunny; automatically switches to electricity on cloudy days (less than 10 kWh/year). Automatic Air Vents: Two air outlets open/close automatically. 8mm thermal insulation cotton inside. No heat loss when off. Activated Carbon Filter: Dust filtration, odor removal, insect prevention, noise reduction. Easy DIY Install: Same simple installation as OS20. 1-hour setup. All tools included. 🎛️ 5 Smart Operating Modes Auto Mode Automatically selects heating or ventilation based on temperature & sunlight Humidity Control Mode Maintains 40–70% RH by comparing indoor/outdoor moisture levels Manual Mode You decide when it runs – full control anytime Heating Mode Prioritizes heating – maximizes temperature boost Ventilation Mode Focuses on air exchange – ideal for stuffy rooms 🔧 Technical Specifications Model OS20LCD Recommended room size Up to 30 m² Max air flow 88 m³/h Temperature rise Approx. 10°C above outdoor temperature Annual heating delivered Approx. 525 kWh/year Thermostat LCD digital touchscreen, 5 modes Auto solar/electric switch Yes (less than 10 kWh/year on electric) Air vent Automatic open/close, thermal insulation Filter Activated carbon (dust, odor, insect) Certification EN12975, ISO9806, TÜV, Solar Keymark, CE Warranty 10 years (panel), 2 years (parts) 🏠 Perfect For Living rooms & bedrooms (up to 30m²) Holiday homes that need automatic climate control People who want precision temperature control Homes where someone is frequently present (recommended to choose LCD version for occupied rooms) 💡 How the Auto Switch Works On sunny days, the collector heats your room all day. At noon (spring/autumn/winter), it automatically ventilates with fresh outdoor air. On cloudy or rainy days, it seamlessly switches to electricity to keep providing fresh air (consumption: less than 10 kWh/year – minimal cost). 📦 What's In the Box OS20LCD solar air heater main unit LCD digital thermostat (curved touchscreen) 5–12V USB voltage boost cable 135mm hole saw Air duct, air outlets (×2, automatic) Activated carbon filter Mounting accessories & manual ❓ FAQ What's the difference between OS20 and OS20LCD? OS20 has a mechanical thermostat (simple, reliable). OS20LCD adds a digital LCD screen with 5 smart modes, auto solar/electric switching, and real-time temperature/humidity display. Choose OS20LCD if the room is frequently occupied. Does the LCD thermostat use a lot of electricity? No. The thermostat is ultra-low power. Even on cloudy days when the fan uses electric power, total consumption is less than 10 kWh/year – less than €5/year in most European countries. ✅ Certified & Trusted TÜV Rheinland | EN12975 & ISO9806 | Solar Keymark | CE marked Price includes VAT and customs duties. Free EU delivery to your door.