Disclaimer: This post contains affiliate links. If you buy through these links, we may earn a commission. As an Amazon Associate, I earn from qualifying purchases.
Looking to keep your shed, greenhouse, or chicken coop cool without adding to your energy bill? A solar powered exhaust fan is the perfect solution. These fans use free energy from the sun to improve airflow, reduce heat, and maintain a fresh environment in outdoor or off-grid spaces.
In this guide, we’ve compared and reviewed the 8 best solar powered exhaust fans based on key factors like solar panel capacity, battery backup, noise level, airflow, and fan speed. Whether you’re after a quiet solar exhaust fan with strong circulation or one that runs day and night, you’ll find the right fit here.
Quick Comparison of the 8 Best Solar Powered Exhaust Fans
Brand | Top Features | Best For | Price |
pquins |
| Greenhouse, Chicken Coop, Shed, Dog House, Outside | |
SHENVITASO |
| Shed, Chicken Coop, Greenhouse, Dog House | |
Ttnde |
| Chicken Coops, Greenhouses, Sheds | |
Fanspex |
| Chicken Coop, Greenhouse & Shed | |
AEQ |
| Shed, Chicken Coop, Greenhouse | |
FUTRPOW |
| Greenhouse, Shed, Chicken Coops, Garages, Small Gardens, Attics, Barns, Basements, RV, Outdoor Camping | |
Blessny |
| Greenhouse, Shed, Garage, Chicken Coop, Pet House, Attic, RV, Boat | |
ecoCalm |
| Greenhouses, Barn, Garden Sheds, Shed Vent, Garage, Chicken Coop Fan, Animal Houses, Camping, Caravans |
How to Choose the Right Solar Exhaust Fan (Buyer’s Guide)
When choosing a solar powered exhaust fan, start with airflow needs—measured in CFM. For larger spaces like attics, a high-CFM solar powered attic fan is ideal. For smaller areas like coops, a moderate CFM is enough to keep air fresh and temperatures down.
Check the solar panel wattage, usually between 20W and 30W. Want cooling even at night or during cloudy days? Choose one with a battery backup. If you’re going off-grid, a quiet and efficient solar camping fan can be the perfect solution.
Durability matters too. Look for weatherproof designs and strong warranties to ensure long-term performance. Whether it’s a solar fan for chicken coop, your attic, or outdoor adventures, the right choice will keep air flowing and your space cool.
Detailed Review of the 8 Best Solar Powered Exhaust Fans
1. pqins 5 Inch Solar Powered Fan
If you need a compact and efficient solar powered exhaust fan, this 5-inch dual-fan kit is a smart choice. It delivers powerful airflow up to 3200 RPM with larger monocrystalline solar panels. Perfect for spaces like greenhouses, chicken coops, or pet houses.
Its IP67 waterproof rating and sturdy aluminum build make it ideal for outdoor use. Whether you need a solar exhaust fan for shed, dog house, or small attic, it’s built to handle dust, moisture, and heat with ease.
Installation is simple with included brackets, screws, and nylon ties. The 13ft on/off switch cable gives you easy manual control. This solar exhaust fan runs on direct sunlight, offering a reliable off-grid ventilation solution all day long.
🔑 Key Features
- Fan Size: Dual 5-Inch Fans
- Max Speed: 3200 RPM
- Power Source: 20W monocrystalline solar panel
- Waterproof Rating: IP67
- Control Cable: 13ft On/Off Switch
- Installation Kit: Included (brackets, screws, ties)
- Build Material: Aluminum with Metal Protective Nets
- Coverage Area: Up to 9 sq. meters
- Battery: None (works only in sunlight)
- Warranty: 2 Years
✅ Pros
- High airflow with dual fan design
- Waterproof and durable for outdoor use
- Easy installation with full mounting kit
⚠️ Cons
- Doesn’t work at night (no battery)
- Limited to small spaces only
2. SHENVITASO Solar Exhaust Fan
If you’re looking for a solar powered exhaust fan that works both day and night, this 8-inch SHENVITASO fan is a solid choice. It comes with a 25W solar panel and a power adapter, so it runs even on cloudy days or at night. The 430 CFM airflow and low 36dB noise level make it perfect for small spaces.
This solar exhaust fan features an anti-backflow valve to keep out bugs and animals when not in use. It’s a great fit as a solar exhaust fan for shed, chicken coop, or even a small greenhouse. You also get a 16.4FT cable for flexible placement.
Its IP67 waterproof rating and rustproof design mean it’s made for tough weather. The easy installation with a 7″ hole and included bracket make setup quick. It’s a reliable and energy-saving attic solar exhaust fan or outdoor ventilation solution.
🔑 Key Features
- Fan Size: 8 Inch
- Solar Panel Power: 25W with 21.5% efficiency
- Airflow: 430 CFM
- Max Speed: 2300 RPM
- Noise Level: 36 dB
- Power Options: Solar + Power Adapter
- Cord Length: 16.4FT (solar), 4.66FT (adapter)
- Waterproof Rating: IP67
- Build Material: Monocrystalline panel with aluminum frame
- Extras: Anti-backflow valve, Adjustable bracket, ON/OFF switch
✅ Pros
- Works both day and night with included power adapter
- High airflow with low noise
- Weatherproof and rust-resistant build
⚠️ Cons
- Requires drilling a 7″ hole for installation
- Not ideal for large spaces
3. Ttnde Solar Panel Fan Kit
This solar powered exhaust fan by Ttnde is a smart pick for keeping small spaces cool and fresh. With a 30W solar panel and dual high-speed fans, it pushes out hot air and pulls in cool air effortlessly. It’s ideal for greenhouses, coops, and sheds during hot summer days.
Built with an IPX7 waterproof design and coated components, this solar exhaust fan handles outdoor conditions with ease. The dual fans also come with metal mesh covers for safety and durability.
You’ll love the simplicity—just face the panel toward the sun and let it work. No batteries, no wiring hassle. The included 8.2-foot cord offers flexible placement for your attic solar exhaust fan or anywhere ventilation is needed.
🔑 Key Features
- Output: 30W
- Fan Speed: Up to 3200 RPM
- Fan Type: Dual fans
- Waterproof Rating: IPX7
- Protective Mesh: Double-layer metal
- Cord Length: 8.2 feet
- Power Source: Solar only (no battery)
- Installation: Pre-drilled mounting holes
- Operation Time: Daytime only (sunlight dependent)
✅ Pros
- Efficient cooling with dual high-speed fans
- IPX7 waterproof design for outdoor use
- Easy setup with pre-drilled mounting holes
⚠️ Cons
- Doesn’t work without sunlight
- No built-in battery for night use
4. Fanspex Solar 3 Fan Kit
The Fanspex solar powered exhaust fan is a solid choice for powerful and flexible ventilation. With three separate fans running at up to 3500 RPM, it delivers strong airflow to cool spaces like sheds, greenhouses, and pet houses. You can customize the setup for intake, exhaust, or both.
Powered by a 25W solar panel, it offers better performance than smaller panels, especially in direct sunlight. The fan runs quietly and efficiently during the day, with airflow adjusting naturally based on sunlight intensity.
Built for outdoor durability, this solar exhaust fan kit is IP67 waterproof and works in tough weather from -13℉ to 140℉. Whether you need a solar exhaust fan for shed or attic cooling, it’s a reliable and eco-friendly pick.
🔑 Key Features
- Solar Panel Output: 25W
- Fan Speed: 3500 RPM
- Number of Fans: 3
- Waterproof Rating: IP67
- Cord Length: 15FT
- Operating Temperature: -13℉ to 140℉
- Airflow Design: 2 exhaust, 1 intake (adjustable)
- Power Source: Direct solar (no battery)
✅ Pros
- Powerful 3-fan setup for higher airflow
- High-speed 3500 RPM for efficient cooling
- IP67 waterproof for all-weather outdoor use
⚠️ Cons
- Doesn’t work at night or on cloudy days
- No built-in battery backup system
5. AEQ Solar Powered Fan with Battery Run
Looking for a solar powered exhaust fan that works even at night? This AEQ model has a built-in 12000mAh battery, so it runs day and night without a hitch. No more worrying about airflow stopping after sunset.
With a powerful 22W solar panel and a 9.8″ fan, this solar exhaust fan is perfect for keeping air circulating in sheds, chicken coops, or greenhouses. It’s quiet, efficient, and easy to install with no wiring needed.
Designed with IP65 waterproof protection and low 35db noise, it’s built to last even in harsh outdoor conditions. Whether you need a solar exhaust fan for a shed or an attic solar exhaust fan, this one checks all the boxes.
🔑 Key Features
- Output: 22W
- Battery Capacity: 12000mAh
- Fan Size: 9.8 inches
- Cord Length: 16.4 feet
- Waterproof Rating: IP65
- Noise Level: 35 dB
- Material: ABS + Metal
- Modes: Exhaust or Intake
- Operation: Day and Night with Battery
- Mounting: Wall-mountable with screws and bolts
✅ Pros
- Runs both day and night with built-in battery
- Quiet operation at just 35 dB
- Easy to install with no wiring required
⚠️ Cons
- Limited airflow for larger spaces
- Battery charging depends on sunlight availability
6. FUTRPOW Solar Powered Exhaust Fan
The FUTRPOW solar powered exhaust fan stands out with its dual power option—solar panel plus power adapter—letting it work even at night or on rainy days. With a high-speed 8″ fan and 430 CFM airflow, it’s perfect for cooling greenhouses, sheds, or as a solar fan for chicken coops.
Built for performance and safety, this solar exhaust fan features a sturdy aluminum frame, IP65 waterproofing, and protective mesh to keep animals safe. It runs quietly at 2600 RPM and helps remove heat, odor, and dust while circulating fresh air.
Easy to install with a 13FT power cord and adjustable solar bracket, the attic solar exhaust fan offers flexibility in placement and sun exposure. It’s an ideal solution for clean, cost-effective ventilation in a variety of small spaces.
🔑 Key Features
- Fan Size: 8 inches
- Airflow: 430 CFM
- Speed: 2600 RPM
- Power Options: Solar panel + power adapter
- Cord Length: 13FT
- Waterproof Rating: IP65
- Build Material: Low-iron tempered glass, corrosion-resistant aluminum
- Noise Level: Low noise operation
- Protection: Front safety mesh and shrink valve
- Mounting: Adjustable bracket included
- Control: Separate ON/OFF switch
✅ Pros
- Runs both day and night with included power adapter
- High airflow with low noise
- Easy to install with adjustable bracket and long cord
⚠️ Cons
- Requires full direct sunlight for solar-only mode
- No power storage without external battery
7. Blessny Solar Powered Rechargeable Exhaust Fan
The Blessny solar powered exhaust fan stands out with its built-in 66.6Wh battery backup, letting you enjoy fresh air even after sunset. It’s ideal for summer use, circulating up to 380 CFM of airflow to keep your space cool and comfortable. Whether it’s a chicken coop, shed, or greenhouse, this fan keeps it dry and well-ventilated.
What makes this solar exhaust fan extra convenient is the 25W solar panel and a long 17.5 ft cord, giving you flexibility in panel placement for maximum sunlight. Plus, it’s super easy to install, even for beginners.
If you’re looking for a reliable attic solar exhaust fan or a versatile solar camping fan, this model won’t disappoint. It runs up to 9 hours on battery when fully charged, making it perfect for day and night ventilation needs.
🔑 Key Features
- Output: 25W
- Airflow: 380 CFM
- Fan Size: 8 inches
- Battery Capacity: 66.6Wh (runs up to 9 hours)
- Solar Panel Size: 15.4 x 12.6 inches (monocrystalline)
- Cord Length: 17.5 ft
- Control: Separate ON/OFF switch
✅ Pros
- Runs even at night with built-in battery backup
- Strong airflow at 380 CFM
- Long 17.5 ft cord for flexible installation
⚠️ Cons
- Fan speed depends on sunlight during charging
- Not ideal for very large spaces
8. ecoCalm Solar Fan with Battery
The ecoCalm solar powered exhaust fan is a smart choice for day and night ventilation. It comes with a built-in 3000mAh battery that runs up to 8 hours after sunset, making it ideal for consistent airflow even when the sun’s down. Its intelligent system auto-switches power between solar and battery.
The bifacial solar panel boosts power generation up to 130%, collecting sunlight from both sides for efficient charging. With a high airflow of 220 CFM, this solar exhaust fan keeps sheds, greenhouses, and coops well-ventilated and fresh.
Built to withstand outdoor elements, this attic solar exhaust fan includes waterproof blades and a 14.8 ft cord for easy setup. Whether for your barn, RV, or as a solar camping fan during trips, it’s a reliable, eco-friendly ventilation solution.
🔑 Key Features
- Output: 41W (Bifacial solar panel)
- Fan Size: 8 inches
- Battery: 3000mAh rechargeable
- Airflow: 220 CFM
- Run Time: Up to 8 hours (battery)
- Waterproof Rating: IP44
- Cable Length: 14.8 ft
- Mount Type: Wall or window mount
- Material: Weather-resistant components
- Application Area: Up to 2190 ft³
✅ Pros
- Bifacial panel boosts solar efficiency
- Works at night with battery backup
- Easy installation with long cable included
⚠️ Cons
- Limited airflow for larger buildings
- Performance drops in low sunlight
Conclusions!
In conclusion, we’ve handpicked the 8 best solar powered exhaust fan based on performance, convenience, and versatility. Whether you’re cooling a shed, greenhouse, or chicken coop, there’s something here for every need.
If you want hassle-free setup, Pquins offers a true plug-and-play solution. Need serious airflow? Ttnde and Fanspex deliver impressive high-speed performance. And for all-day comfort, even after sunset, AEQ, Blessny, and ecoCalm stand out with reliable battery backup.
No matter your choice, each solar powered exhaust fan on this list is built to keep your space cool, fresh, and energy-efficient.
FAQs: Solar Powered Exhaust Fan
How does a solar powered exhaust fan work?
It uses solar panels to convert sunlight into electricity, which powers the fan to ventilate and cool spaces like sheds, attics, or greenhouses.
Can a solar exhaust fan work at night or on cloudy days?
Some models include battery backup that stores solar energy, allowing the fan to run even when there’s no sunlight.
What size solar panel is best for an exhaust fan?
A 20W to 30W solar panel is ideal for most small to medium spaces like chicken coops or sheds. Larger areas may need higher wattage.
Are solar powered attic fans effective for cooling homes?
Yes, they help reduce attic temperatures, which can lower the overall heat load on your home and reduce air conditioning costs
Is installation of a solar exhaust fan difficult?
Most fans come with plug-and-play designs, mounting brackets, and user manuals, making them easy to install without professional help.