Dunster House
Dunster House Solar Extractor Fan review
An innovative solar-powered fan featuring a 3800mAh lithium battery enabling 5 hours of continuous operation after sunset, requiring just 6-7 hours of solar radiation to fully charge. Ideal for improving airflow in greenhouses or patios without any wiring requirements, it combines eco-friendly solar technology with practical battery backup. The 100mm DC fan operates quietly at 36dB, making it unobtrusive whilst delivering effective ventilation.
Key features
- Solar-powered with battery backup
- 3800mAh lithium battery included
- 5 hours runtime post-sunset
- 6-7 hours solar charging requirement
- 100mm DC 12V fan
- 3600 RPM maximum speed
- 36dB low-noise operation
- Suitable for 15-140mm wall thickness
- UK charger included
Pros
- Completely solar-powered during daylight reduces energy costs
- Battery continues operation 5 hours post-sunset for extended use
- No wiring or electrician required, true DIY installation
- Low 36dB noise makes it unobtrusive in use
- Eco-friendly technology aligns with sustainable garden practices
Cons
- Solar charging requires 6-7 hours sunlight, unsuitable for consistently cloudy days
- Battery capacity may not sustain full 5-hour runtime in poor weather
- Limited to extraction/circulation, not designed as cooling fan
- Higher upfront cost than basic electric fans despite lower running costs
Who is it for
Environmentally conscious garden owners and greenhouse enthusiasts seeking ventilation without electrical installation costs or ongoing power bills. Perfect for those with sunny south-facing patios or greenhouse spaces. Ideal for buyers prioritising sustainability and the convenience of maintenance-free, silent operation throughout day and into evening hours.