This mount solar ventilation fan is published with the manufacturer’s full specification — voltage 36VDC, 15VDC, power source Electric. Made by Ningbo Longwell Electric Technology Co., Ltd. (9 years on the platform, factory-assessed). Quantity and destination market determine the final price — tell us both for a firm quote.
Key Features of This Mount Solar Ventilation Fan
- Model Number: LW-200mm
- Power Source: Electric
- Solar Panel Power: 25/30/35Watts
- Voltage: 36VDC, 15VDC
- Material: Stainless Steel
- Blade Material: Cast Iron
Technical Specifications
| Voltage | 36VDC, 15VDC |
|---|---|
| Speed | 2500 RPM, 3 000 RPM, 4500 RPM, 2700 RPM, 2100 RPM, 1350RPM, 14000Rpm |
| Type | Duct Axial Fan |
| Material | Stainless Steel |
| Blade Material | Cast Iron |
| Mounting Type | Free Standing |
| Bearing Type | Ball Bearing |
| Power Source | Electric |
| Warranty | 1 Year |
| After-Sales Service Provided | Free Spare Parts |
| Customized Support | OEM, ODM |
| Place Of Origin | Zhejiang, China |
| Brand Name | Longwell |
| Model Number | LW-200mm |
| Product Name | solar panel powered attic fan |
| Solar Panel Power | 25/30/35Watts |
| Diameter Of Cylinder | 320mm/600mm |
| Solar Panel Type | Monocrystalline silicon ,Heavy Duty Frame 3mm Tempered Glass |
| Fan Blades | 5 Dynamic Balancing leaf Blades |
| Noise Level | ≤ 60 dBA |
| Application | Solar type Roof Fans |
| Leading Time | 23 ~ 25 days |
| Exhaust Air Volume | 1500-2500m³/h(320) -6000-700m³/h(600) |
| Selling Units | Single item |
| Single Package Size | 58X58X28 cm |
| Single Gross Weight | 8.0 kg |
Product Details








Model : | LW-SPF-320D/LW-SPF-320E, LW-SPF-320F,LW-SPF-320G | LW-SPF-600A,LW-SPF-600B | |||||
Diameter of Cylinder: | 320mm | 600mm | |||||
Exhaust Air Volume: | 1500-2500m³/h | 6000-7000m³/h | |||||
Solar Panel Type : | Monocrystalline Silicon ,Heavy Duty Frame 3mm Tempered Glass | ||||||
Solar Panel Output: | 25/30/35/45 watts and 15 volts DC | 150/180 watts and 36 volts DC | |||||
Fan Blades : | 5 Dynamic Balancing Leaf Blades | 3 Dynamic Balancing Leaf Blades | |||||
Automatic Shut Off : | <25℃±5% | ||||||
Noise : | ≤60 dBA | ≤80 dBA | |||||
Structural Material : | Aluminum Alloy Cover and Main Body .Steel bracket and Air Duct , and Stainless-steel Fasteners | ||||||
Colour and Processing: | Black UV Resistant Epoxy Resin Electrostatic Power Coating | ||||||
Plate : | 565mmx565mmx1mm | 930mmx930mmx1mm | |||||
Product Size : | 565mmx565mmx260mm | 1130mmx1130mmx380mm | |||||
Packing Dimensions : | 575mmx575mmx275mm | 1160mmx1160mmx400mm | |||||
Product Weight : | 7.2/7.5/7.8/8.4kg | 30/31kg | |||||
Gross Weight : | 9/9.3/9.6/10.2kg | 35/36kg | |||||
Warranty : | 1 Year ( 10 years for Solar Panel ) | ||||||


















Polysilicon High -efficiency solar panel | Monocrystalline Silicon, Heavy Duty Frame, 3mm Tempered Glass | ||||||
Lithium Battery Option | 12V150-300Ah,12V100-150Ah Check details with our sales team | ||||||












FAQ
* A solar roof fan is a device that uses solar energy to power a fan installed on the roof for ventilation.
2. How does a solar roof fan work?
* It collects solar energy through solar panels and converts it into electrical energy to drive the fan for air circulation.
3. What are the benefits of using a solar roof fan?
* It saves electricity, improves indoor air quality, reduces heat build-up, and is environmentally friendly.
4. Can a solar roof fan work on cloudy days?
* Yes, it can still operate to some extent, but its efficiency may be slightly reduced.
5. How much power can a solar roof fan generate?
* It depends on the size and quality of the solar panels and the fan's power consumption.
6. How to install a solar roof fan?
* The installation process usually involves positioning the fan, attaching the solar panels, and connecting the wiring.
Professional installation is recommended.
7. How often does a solar roof fan need maintenance?
* Regular checks and cleaning of the fan and solar panels are recommended, typically twice a year.
8. What kind of roofs is a solar roof fan suitable for?
* It can be installed on various roof types such as flat roofs or pitched roofs.
9. Does a solar roof fan require a battery?
* Some models may have built-in batteries for storing excess energy, but others work directly with solar energy.
10. How long does a solar roof fan last?
* With proper maintenance, it can last for several years.
Ordering and Pricing
- Minimum order quantity: 100 piece
- Volume pricing:
- 100+ piece: US $160 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this mount solar ventilation fan?
The standard minimum order quantity is 100 piece. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
What warranty is provided?
The manufacturer provides a 1 Year warranty. Spare parts and technical support remain available after the warranty period.
Can the mount solar ventilation fan be supplied for my local voltage?
The standard configuration is 36VDC, 15VDC. Alternative voltage and frequency builds are available when specified at the time of order.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by Ningbo Longwell Electric Technology Co., Ltd., based in China. The company 9 years as a verified Alibaba.com supplier, operates its own manufacturing, passed third-party supplier assessment. Browse the full Ningbo Longwell Electric Technology Co., Ltd. range on HVACR Nexus.
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