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

🏠 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

✅ Certified & Trusted

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

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

🇩🇪 Germany customers: High-quality solar thermal products may qualify for BAFA subsidy. Check eligibility before purchase.

Oscar Science & Technology Co., Ltd. is a professional manufacturer of solar air collector/ heater, solar ventilator etc. Nakoair® Solar with LCD thermostat, provide you with a healthy and warm home and automatically processes indoor air. Simple operation, thoughtful air management expert! 

Owning Patent and certificates as ISO9001:2015, German TUV NORD CERT; European Solar Keymark certification(ISO9806); TÜV Rheinland test reports etc.

With a developing and testing labs, tests are strictly applied as air volume, temperature difference of different models in different conditions, also insulation, UV-resistance, climate-resistance, water-proof to various materials such as coating and silicone. Thus Nakoair® is supplying products in better quality.

Innovatively adopting high-tech material like low iron ultra-pure glass and Special texture nano insulation coating etc, the company dedicates to sustainable development and innovations.

Nakoair® solar air heaters are sold to many countries like UK, Denmark, Germany, Czech, Australia, New Zealand, Canada, America etc. In the past years, with continuous improvement and innovation, Nakoair® solar air heater is popular due to its high performance and competitive price.

Oscar Science & Technology Co., Ltd.

Address: Albert-Schweitzer-Str.1 Tor 20 55459 Grolsheim Germany

Email: info@nakoair.net

Distributors and installers are welcome! Your address, email, and phone number will be published. You will be  promoted to a wider customer base through Google Ads and other means. Local customers will buy from you or hire you for installations：

Recruiting-partners

Refund and return policy

We have a 15-day return policy, which means you have 30 days after receiving your item to request a return.

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.
You can always contact us for any return question at info@nakoair.net.

Damages and issues

Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exchanges

The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.

Refunds

We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.

The buyer is responsible for paying the return shipping fee ( Except for quality problems or logistics damage).

Return address:
Frankfurt warehouse, Germany
Recipient (Consignee)
4PX DEGRS 75Z52CX
Address
Albert-Schweitzer-Str 1
City
Grolsheim
State/Prov. (State/Prov.)
Rheinland-Pfalz
Country
Germany
Zip Code (ZipCode)
55459
Telephone (Tel)
0151-66342177

London warehouse
Recipient (Consignee)
4PX UKGRS 75Z52CX
Address
Leicester Commercial Park Unit 1, Dorsey Way
City
Enderby
State/Prov. (State/Prov.)
Leicester
Country
United Kingdom
Zip Code (ZipCode)
LE19 4DB
Telephone (Tel)
01582-477267

Paris warehouse, France
Recipient (Consignee)
4PX FRGRS 75Z52CX
Address
8 rue de la Patelle, Bat-3, Porte-310
City
Saint-Ouen-l'Aumône
State/Prov. (State/Prov.)
Val-d'Oise
Country
France
Zip Code (ZipCode)
95310
Telephone (Tel)
0767620833

Madrid warehouse, Spain
Recipient (Consignee)
4PX ESGRS 75Z52CX
Address
C/ Rayo, Modulo 2 Parc. 2.4 Pol. Ind. La Quinta
City
Cabanillas del Campo
State/Prov. (State/Prov.)
Guadalajara
Country
Spain
Zip Code (ZipCode)
19171
Telephone (Tel)
916997679

Los Angeles warehouse
Recipient (Consignee)
4PX USGRS 75Z52CX
Address
5610 Grace Pl
City
Commerce
State/Prov. (State/Prov.)
California
Country
United States of America
Zip Code (ZipCode)
90022
Telephone (Tel)
3235970311
New York warehouse
Recipient (Consignee)
4PX USGRS 75Z52CX
Address
1000 High St
City
Perth Amboy
State/Prov. (State/Prov.)
New Jersey
Country
United States of America
Zip Code (ZipCode)
08861
Telephone (Tel)
7184542809