{"product_id":"nakoair-os20lcd-solar-air-heater-lcd-thermostat-30m2","title":"Nakoair OS20LCD Solar Air Heater with LCD Thermostat – Digital Temperature Control – Up to 30m²","description":"\u003ch2\u003eSmart Solar Heating with LCD Thermostat – Set It \u0026amp; Forget It\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNakoair OS20LCD\u003c\/strong\u003e combines the proven OS20 heating performance with a \u003cstrong\u003esmart curved LCD touchscreen thermostat\u003c\/strong\u003e. \nSee real-time temperature and humidity. Choose from 5 operating modes. Automatic solar-to-electric switching. \nThe most convenient way to heat rooms up to 30m² with free solar energy.\u003c\/p\u003e\n\n\u003ch3\u003e🌟 Why Choose the OS20LCD?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLCD Smart Thermostat:\u003c\/strong\u003e Curved touchscreen displays indoor\/outdoor temperature \u0026amp; humidity. Precision comfort control.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5 Operating Modes:\u003c\/strong\u003e Auto, humidity control, manual, heating, and ventilation – adapt to any weather.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuto Energy Switching:\u003c\/strong\u003e Uses solar power when sunny; automatically switches to electricity on cloudy days (less than 10 kWh\/year).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic Air Vents:\u003c\/strong\u003e Two air outlets open\/close automatically. 8mm thermal insulation cotton inside. No heat loss when off.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eActivated Carbon Filter:\u003c\/strong\u003e Dust filtration, odor removal, insect prevention, noise reduction.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy DIY Install:\u003c\/strong\u003e Same simple installation as OS20. 1-hour setup. All tools included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e🎛️ 5 Smart Operating Modes\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"\u003e\n  \u003ctr style=\"background:#e8f4fd;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAuto Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatically selects heating or ventilation based on temperature \u0026amp; sunlight\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHumidity Control Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMaintains 40–70% RH by comparing indoor\/outdoor moisture levels\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#e8f4fd;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eManual Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYou decide when it runs – full control anytime\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHeating Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePrioritizes heating – maximizes temperature boost\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#e8f4fd;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eVentilation Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFocuses on air exchange – ideal for stuffy rooms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e🔧 Technical Specifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse:collapse; width:100%;\"\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOS20LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRecommended room size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 30 m²\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eMax air flow\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e88 m³\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature rise\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 10°C above outdoor temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAnnual heating delivered\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 525 kWh\/year\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermostat\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLCD digital touchscreen, 5 modes\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAuto solar\/electric switch\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes (less than 10 kWh\/year on electric)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAir vent\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic open\/close, thermal insulation\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eActivated carbon (dust, odor, insect)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEN12975, ISO9806, TÜV, Solar Keymark, CE\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 years (panel), 2 years (parts)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e🏠 Perfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLiving rooms \u0026amp; bedrooms (up to 30m²)\u003c\/li\u003e\n  \u003cli\u003eHoliday homes that need automatic climate control\u003c\/li\u003e\n  \u003cli\u003ePeople who want precision temperature control\u003c\/li\u003e\n  \u003cli\u003eHomes where someone is frequently present (recommended to choose LCD version for occupied rooms)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e💡 How the Auto Switch Works\u003c\/h3\u003e\n\u003cp\u003eOn sunny days, the collector heats your room all day. At noon (spring\/autumn\/winter), it automatically ventilates with fresh outdoor air. \nOn cloudy or rainy days, it seamlessly switches to electricity to keep providing fresh air (consumption: less than 10 kWh\/year – minimal cost).\u003c\/p\u003e\n\n\u003ch3\u003e📦 What's In the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOS20LCD solar air heater main unit\u003c\/li\u003e\n  \u003cli\u003eLCD digital thermostat (curved touchscreen)\u003c\/li\u003e\n  \u003cli\u003e5–12V USB voltage boost cable\u003c\/li\u003e\n  \u003cli\u003e135mm hole saw\u003c\/li\u003e\n  \u003cli\u003eAir duct, air outlets (×2, automatic)\u003c\/li\u003e\n  \u003cli\u003eActivated carbon filter\u003c\/li\u003e\n  \u003cli\u003eMounting accessories \u0026amp; manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e❓ FAQ\u003c\/h3\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e\u003cstrong\u003eWhat's the difference between OS20 and OS20LCD?\u003c\/strong\u003e\u003c\/summary\u003e\n  \u003cp\u003eOS20 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.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e\u003cstrong\u003eDoes the LCD thermostat use a lot of electricity?\u003c\/strong\u003e\u003c\/summary\u003e\n  \u003cp\u003eNo. 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.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch3\u003e✅ Certified \u0026amp; Trusted\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eTÜV Rheinland\u003c\/strong\u003e | \u003cstrong\u003eEN12975 \u0026amp; ISO9806\u003c\/strong\u003e | \u003cstrong\u003eSolar Keymark\u003c\/strong\u003e | \u003cstrong\u003eCE marked\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\u003cp\u003e\u003cem\u003ePrice includes VAT and customs duties. Free EU delivery to your door.\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e🇩🇪 \u003cstrong\u003eGermany customers:\u003c\/strong\u003e OS20LCD qualifies for BAFA solar subsidy. Apply online before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"OSCAR","offers":[{"title":"Default Title","offer_id":52981515288840,"sku":"OS20LCD","price":349.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0032\/7263\/8576\/files\/20_45d4b719-ec13-412f-aa7b-df8fbe760a9a.jpg?v=1767168063","url":"https:\/\/nakoair.net\/products\/nakoair-os20lcd-solar-air-heater-lcd-thermostat-30m2","provider":"Nakoair solar air heater","version":"1.0","type":"link"}