Sun Energise 20 watt Solar Fan Review – Pros & Cons – Sun Energise

The Sun Energise 20 watt Solar Fan offers a breath of fresh air for enclosed spaces. It acts like a tireless lung, gently exhaling stale air and inhaling the outside’s coolness. This solar-powered exhaust fan is a top pick for anyone needing ventilation without the hassle of wires or plugs. It harnesses the sun’s power, and as long as the sun shines, it works diligently. Detailing its features reveals a smart design, perfect for a greenhouse, shed, chicken coop, or even a garage.

The Sun Energise 20 watt Solar Fan comes equipped with a 20 watt solar panel and an 8-inch high-speed fan. This dynamic duo ensures good airflow, pushing out heat and humidity, and making the inside space more comfortable. An anti-backflow valve is a thoughtful addition, preventing outside air from sneaking back in when the fan isn’t spinning. Installation is straightforward; you simply mount it on a wall and position the solar panel where it can soak up the most sunlight. Money saved on electricity bills is a big plus, and the eco-friendly operation is a responsible choice.

In review, the Sun Energise 20 watt Solar Fan stands out as a reliable and simple ventilation solution. It’s like a silent guardian, protecting your spaces from becoming stuffy and overheated. Although it doesn’t come with a guarantee of eternal sunshine, its performance under direct light is commendable. For those seeking an energy-efficient way to improve air circulation in various outbuildings, this solar fan is certainly worth considering. It’s a practical tool, and its solar power source means you’re not adding to your electricity bill, which is always a welcome disclosure.

FEATURES:
– Solar powered
– 20 W solar panel
– 8 inch fan
– High speed
– Exhaust fan
– Anti-backflow valve
– Wall mount
– Ventilation
– Cooling vent
– For greenhouse

This Sun Energise exhaust fan uses a 20-watt solar panel to power an 8-inch, high-speed fan. It’s designed to remove air from places like greenhouses, sheds, chicken coops, and garages. The fan has a valve that stops air from coming back in. It can be put on a wall and helps with airflow and cooling using solar power.

PROS:
– Solar powered
– No extra cost
– High speed fan
– Anti-backflow valve
– Wall mountable
– Ventilation & cooling
– For greenhouse
– For shed
– For chicken coop
– For garage
– Easy to use
– Higher airflow

CONS:
– Stops when cloudy
– No night operation
– Panel mounting extra
– May not cool large areas
– Less effective high humidity
– Single fan might be weak
– Install may need tools
– Effectiveness varies

This Sun Energise solar-powered exhaust fan uses a 20 watt solar panel to power an 8-inch high-speed fan, offering a way to ventilate and cool spaces like greenhouses, sheds, chicken coops, and garages without needing extra electricity. It’s designed for wall mounting and includes a valve to stop air from flowing back inside. While it’s easy to use and can move a good amount of air when sunny, it won’t work at night or when it’s cloudy. Also, it might not be strong enough for big areas or very humid conditions, and you’ll need to buy extra parts to mount the solar panel. Keep in mind that how well it works can change depending on the situation, and you might need some tools to install it. Read more…










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Best Sun Energise 20 Watt Solar Fan Deals

SUNYIMA Solar Fan, 20W Weatherproof Solar Powered Fan with DC Fan for Small Chicken Coops, Greenhouses, Sheds,Pet Houses, Window Exhaust

Image of SUNYIMA Solar Fan, 20W Weatherproof Solar Powered Fan with DC Fan for Small Chicken Coops, Greenhouses, Sheds,Pet Houses, Window Exhaust

Key Features

  • ✅ 【Solar Exhaust Fan】You will receive a complete set of solar fan kits, Suitable for chicken coops, greenhouses, sheds, pet houses, and window exhaust fans. This 20W solar panel fan kit can more effectively remove hot air and odors, allowing fresh air to enter.
  • ✅ 【Weatherproof design】The level reaches IP65, suitable for outdoor use. Attention: Do not immerse the fan in water.
  • ✅ 【Safe and durable】Solar panel is made of monocrystalline silicon, power: 16V 20W Size: 36 x 33 cm(14.1 x 13 in).Fan Size:25 x 25 cm(9.84 x 9.84 inch).
  • ✅ 【Simple installation】Just connect the interface between the solar panel and the fan, and place it in the sun to use.There is a thin film on the surface of the solar panel, and it is recommended to remove it before use.
  • ✅ 【Solar Working】The speed of the fan is greatly affected by sunlight. When the sunlight is weak, the fan will work slowly or even stop working.There is no built-in battery in the solar fan, Only work during the daytime.

Product Details

Brand:SUNYIMA
Model:Solar fan
Color:Black
Dimensions:14.173228332 X 12.992125971 X 1.574803148 inches

lcasvoim 20W Solar Exhaust Fan for Chicken Coop, Sheds, Greenhouses, Dog Houses, Windows, Attics, Solar Powered Fan with Metal Frame, Easy Plug and Play Installation

Image of lcasvoim 20W Solar Exhaust Fan for Chicken Coop, Sheds, Greenhouses, Dog Houses, Windows, Attics, Solar Powered Fan with Metal Frame, Easy Plug and Play Installation

$30.90 @ Amazon.com (Save 23%)

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Key Features

  • ✅ Powerful Dual-Fan Cooling – This solar powered exhaust fan with two high-speed fans (up to 3000 RPM) quickly removes hot air from greenhouses, sheds, chicken coops, and pet houses. Ideal as a solar greenhouse fan or solar shed fan
  • ✅ Instant Solar Operation – Connect to the 15.9" x 7.9" solar panel (with frame) and the solar powered fan starts automatically in sunlight. No wiring, batteries, or electricity needed. Works as a solar exhaust fan for shed or solar window fan
  • ✅ Easy Plug & Play Installation – Pre-assembled solar panel with frame plus 1-to-2 power splitter cable. Perfect for solar fans, solar fan for shed, or solar exhaust fan setups. No tools required
  • ✅ Durable & Weatherproof – IP65 waterproof design with epoxy-laminated surface ensures long-lasting outdoor performance. Reliable as a solar powered exhaust fan, solar shed fan, or solar greenhouse fan
  • ✅ Versatile & Eco-Friendly – Suitable for homes, RVs, greenhouses, sheds, chicken coops, and dog houses. Functions as a solar fan for shed, solar exhaust fan, solar window fan, or general solar powered fan for energy-free ventilation

Product Details

Brand:lcasvoim
Model:SOFAFRA-20W
Size:20W 15.9 x 7.9 INCHES with Dual 4.7 INCHES Fans
Color:black
Dimensions:15.9 X 7.9 X 0.7 inches

SUNYIMA Solar Fan with Battery,20W Solar Panel Powered Fan Kit with Waterproof Dual Exhaust Fans and 9.84ft Switch Cable for Chicken Coops, Sheds, Pet Houses, Greenhouse Air Circulation, Ventilation

Image of SUNYIMA Solar Fan with Battery,20W Solar Panel Powered Fan Kit with Waterproof Dual Exhaust Fans and 9.84ft Switch Cable for Chicken Coops, Sheds, Pet Houses, Greenhouse Air Circulation, Ventilation

$52.99 @ Amazon.com (Save 16%)

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Key Features

  • ✅ 【20W 12V Solar Dual Exhaust Fan】: The new upgraded solar dual exhaust fan with high efficiency 20W solar panel and 3600mAh rechargeable battery, runs on sunlight during the daytime and recharges the battery, the battery can work for up to 8 hours after fully charged in the sunlight, supports night time or rainy day ventilation.The 180° adjustable bracket design allows easy angle adjustment to maximize sunlight exposure.
  • ✅ 【Efficient Dual Exhaust Fans】:Solar fan comes with 9.84 ft (300cm) DC switch cable, 13.78 × 13.78 inches (35 × 35cm) solar panels and 4.72 × 4.72 inches (12 × 12cm) dual exhaust fans.The fan rotates at up to 3,000 RPM with a low noise level, which efficiently removes hot air and odors to keep the air circulating.
  • ✅ 【Weatherproof & Safety Design】: The solar outdoor fan has an IP65 waterproof rating to prevent short-circuit or rain damage, and the sturdy ABS housing can withstand strong impacts and can be used in harsh outdoor environments for a long time. Solar dual fans with double metal protective mesh can play a protective role, while equipped with dustproof cotton to filter impurities in the air, keep the air and equipment clean.
  • ✅ 【Solar & Battery Dual Power Supply】: The solar exhaust fan is made of high-quality materials with stable and durable performance, which can convert solar energy into electricity more efficiently, and the built-in 3600mAh battery ensures the normal operation of the solar fan at night and when it is cloudy and rainy. Note: The speed of the fan and the charging of the battery are greatly affected by sunlight.
  • ✅ 【Wide Application】: Easy to install, support a variety of installation methods, just connect the solar panel to the fan and place it in the sunlight to use. High-performance dual exhaust fan ventilates well and is widely used in outdoor greenhouses, chicken coops, pet houses, sheds, attics and window ventilation scenarios.

Product Details

Brand:SUNYIMA
Model:Solar Fan SUN0180
Size:20W Solar Panel with Battery
Color:Black
Dimensions:11.81102361 X 12.204724397 X 0.5905511805 inches

20W Solar Powered Fan Kit, IPX7 Weatherproof Dual Fan, Solar Exhaust Intake Cooling Ventilation for Chicken Coop,Greenhouse,Shed,Pet House,Outside with 11Ft/3.5m On/Off Switch Cable

Image of 20W Solar Powered Fan Kit, IPX7 Weatherproof Dual Fan, Solar Exhaust Intake Cooling Ventilation for Chicken Coop,Greenhouse,Shed,Pet House,Outside with 11Ft/3.5m On/Off Switch Cable

Key Features

  • ✅ ✔ COOL AND CLEAN: This is an excellent solution for Small Chicken Coops, Greenhouses, Sheds,Pet houses, Window Exhaust in the hot summer .The 20W Solar Panel Dual Fan Kit can push the heat air out and push the cool air in,which effectively reduces the indoor temperature and keeps the air fresh.
  • ✅ ✔ LARGE AIRFLOW: It is designed with high quality weatherproof motor, service life more than 6 years, with Max rotational speed 3000 r/min, 200 CFM large airflow.Recommended Max greenhouse &chicken coops space:200cubic feet(L X W X H) ,E.g 8*5*5
  • ✅ ✔ WEATHERPROOF DESIGN: The motor part of fan (PCB board/wiring/bearing) has been coated to prevent rain from causing short circuit or damage .The waterproof level can reach IPX7, which is suitable for outdoor environment use.
  • ✅ ✔ SAFETY PROTECTION: The dual fan is equipped with a double metal protection net to prevent small animals from being injured and to protect the normal operation of the fan blades.
  • ✅ ✔ NOTE: The speed of the fan is greatly affected by sunlight. When the sun shines directly on the solar panel, the fan can reach 3000 RPM . When the sunlight is weak, the fan will work slowly or even stop working.There is no built-in battery in the solar fan,Only work during the daytime.

Product Details

Brand:AntPay
Model:c212bee2-60f6-434b-99d8-11bac2aab4bb
Size:20W
Dimensions:N/A X N/A X N/A in

SUNYIMA Solar Powered Fan with Battery,20W Solar Panel Weatherproof+ 8'' Solar Exhaust Fan with 9.84Ft On/Off Cable for Greenhouse Circulation, Chicken Coop, Shed, Pet Houses, Ventilation

Image of SUNYIMA Solar Powered Fan with Battery,20W Solar Panel Weatherproof+ 8

Key Features

  • ✅ 【20W 12V Solar Exhaust Fan】: The newly upgraded solar exhaust fan is equipped with a high-efficiency 20W solar panel and a 3600mAh rechargeable battery. It operates using sunlight during the day while charging the battery. Once fully charged under sunlight, the battery can power the fan for up to 8 hours, supporting ventilation during nighttime or cloudy days. The 180° adjustable bracket design allows easy angle adjustment to maximize sunlight exposure.
  • ✅ 【High-Performance Exhaust Fan】: This solar exhaust fan features a 13.78 × 13.78-inch (35 × 35cm) solar panel and a 9.8 × 9.8-inch (25 × 25cm) exhaust fan. It uses a brushless motor design with a fan speed of up to 1986 RPM and a noise level as low as 36dB. The high-efficiency airflow blades can quickly expel excess heat, moisture, dust, and odors from various spaces, maintaining proper air circulation and making it suitable for a variety of applications.
  • ✅ 【Weatherproof Design】: The solar fan comes with IP65 waterproof fan blades and a 9.84-foot (3m) long cable, effectively preventing short circuits or damage from rainwater. It ensures stable operation even in harsh outdoor environments.
  • ✅ 【Wide Applications】: Easy to install, you only need to connect the solar panel to the fan and place it under sunlight for operation. The high-performance exhaust fan offers excellent ventilation and is widely used in outdoor greenhouses, chicken coops, pet houses, sheds, attics, and window ventilation.
  • ✅ 【Solar Working】: Made from high-quality materials, the solar exhaust fan is durable and stable, ensuring efficient conversion of solar energy into electricity. The built-in 3600mAh battery ensures the fan operates normally during nighttime or rainy weather. Note: The fan speed and battery charging efficiency are heavily influenced by sunlight. On weak sunlight days, the fan may operate slowly or stop working altogether.

Product Details

Brand:SUNYIMA
Model:Solar Fan SUN0179
Size:20W Solar Panel with Battery
Color:Black
Dimensions:11.81102361 X 12.204724397 X 0.5905511805 inches

25W Solar Fan for Chicken Coop with Battery, Solar Exhaust Fan for Shed & Greenhouse, 3 Modes Controller (Continuous/Timer/Motion Sensor), Solar Powered Fan for Intake or Exhaust Vent Cooling

Image of 25W Solar Fan for Chicken Coop with Battery, Solar Exhaust Fan for Shed & Greenhouse, 3 Modes Controller (Continuous/Timer/Motion Sensor), Solar Powered Fan for Intake or Exhaust Vent Cooling

$59.99 @ Amazon.com (Save 25%)

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Key Features

  • ✅ 🔋 【New Upgrade (Built-in Battery)】: To solve the pain points of most users, our newly upgraded solar fan for chicken coop comes with a 2500mAh battery that effectively converts solar energy into stored electricity. This allows your solar exhaust fan to keep working at night or on rainy days, meeting your daily needs.
  • ✅ 🌬️ 【3 Smart Modes Control】: 2-speed control (High/Low) with 3 startup modes. ✦ 𝑪𝒐𝒏𝒕𝒊𝒏𝒖𝒐𝒖𝒔 𝑴𝒐𝒅𝒆: greenhouse fan ideal for hot, stuffy greenhouses/coops in extreme heat. ✦ 𝑻𝒊𝒎𝒊𝒏𝒈 𝑴𝒐𝒅𝒆: Start for 1 hour/pause for 1 hour or start for 1 hour/pause for 2 hours, cycling in this way to improve the energy efficiency of the solar exhaust fan. ✦ 𝑺𝒆𝒏𝒔𝒊𝒏𝒈 𝑴𝒐𝒅𝒆: Auto starts when detecting poultry activities and turns off automatically after 10 minutes—no more wasting energy on empty coops!
  • ✅ 🛠️ 【DIY Dual-Fan Setup】: Solar attic fan includes 2 independent fans (4.7" fan, 9.84 ft cords) to configure as intake, exhaust, or both to accelerate air circulation, reduce indoor temps! Solar power fan perfect for 6x6 ft spaces (add more for larger spaces). Pull in fresh air, push out heat/stale odors, and slash dust—your flock gets a healthier, cooler home.
  • ✅ ☀️ 【25W High-Efficiency Solar Panel】: Upgraded 25W solar panel delivers 30% more power than standard 15W/20W models, ensuring faster charging even in low-light conditions. The 15.7" x 13.8" oversized panel captures max sunlight, fully charges the 2500mAh battery in just 4 hours. This means extended nighttime operation and uninterrupted airflow. We provide a bracket for the solar panel, which can be installed on the wall or roof and fixed with bolts, simple to install.
  • ✅ 🌧️ 【Multiple Outdoor Uses】: This solar chicken coop fan is made of ABS+metal material, with an IP65 waterproof rating, suitable for any outdoor weather conditions, strong and durable. It is the perfect ventilation solution for indoor and outdoor places such as small greenhouses, chicken coops, sheds, dog houses, attics, camping, barns, etc. It effectively expels hot, humid air while drawing in fresh oxygen, lowering temps and maintaining optimal air circulation for healthier, more comfortable spaces.

Product Details

Brand:Pet Deluxe
Model:01240
Color:Black
Dimensions:9.37 X 6.77 X 0.67 inches

20W Solar Fan Powered Exhaust Fan for Chicken Coops, Greenhouses, Sheds, Pet Houses, and Windows - Waterproof and Plug Play Easy Connector Max Applicable Space 880ft3 (25 m3)

Image of 20W Solar Fan Powered Exhaust Fan for Chicken Coops, Greenhouses, Sheds, Pet Houses, and Windows - Waterproof and Plug Play Easy Connector Max Applicable Space 880ft3 (25 m3)

Key Features

  • ✅ FRESH & COOL - This solar panel dual fan kit can exhaust hot air and let cool air into the room, effectively reducing indoor temperature and humidity and keeping the air fresh. It is suitable for small space ventilation and is ideal as a solar fan for small greenhouses, chicken coops, sheds, pet houses, and window exhausts.
  • ✅ SOLAR ENERGY - The fan is completely driven by solar energy. There is no need to use mains electricity, no extra wiring work, and it is safe and reliable.
  • ✅ EASY INSTALLATION - The solar panel and fan are plug-and-play with a waterproof connector, and there are pre-drilled mounting holes on the solar panel, making it easy to fix it to any wall or roof. Only self-tapping screws and tools are required for installation.
  • ✅ SAFE AND DURABLE - All accessories are treated with a waterproof layer to withstand outdoor use conditions. The fan blades are protected from normal operation by a metal protective case.
  • ✅ BEFORE PURCHASING - The speed of the fan is greatly affected by sunlight. The solar fan does not have a built-in battery and can only work during the day.

Product Details

Brand:DC HOUSE
Model:SF-C-2
Color:Black
Dimensions:12 X 6 X 2 inches

pqins 7.1" Large Solar Greenhouse Fan, 25W Solar Powered Vent Exhaust and Intake Chicken Coop Fan Outdoor Waterproof, 16.5 ft Cord, Strong Airflow for Shed Doghouse Cabin Ventilation Air Circulation

Image of pqins 7.1" Large Solar Greenhouse Fan, 25W Solar Powered Vent Exhaust and Intake Chicken Coop Fan Outdoor Waterproof, 16.5 ft Cord, Strong Airflow for Shed Doghouse Cabin Ventilation Air Circulation

Key Features

  • ✅ Cool & Fresh Air: The solar powered fans can provide higher speeds wind to effectively cool and refresh the air. This greenhouse fan is an excellent ventilation solution for small greenhouse, chicken coop, shed, pet house, attic, camping, window fan, Outside & Inside. Suitable for a space of 80~120 sq.ft.
  • ✅ Lager Airflow & Multiple Uses: With Monocrystalline larger solar panels, the maximum speed of the solar fan can reach 3800 RPM, provide lager airflow in the same sunshine condition. The fan and solar panel are separate. You can put the solar panel outdoors and use the fan for exhaust or intake.
  • ✅ Advanced Technology & Stable Quality: The product use the IP67 waterproof design and are equipped with heavy-duty aluminum and double metal protective nets. The advanced technology and sturdy material ensure the product withstand shocks and opera in harsh outdoor environments, service life can be more than 7 years.
  • ✅ Easy To Install & Use: The packet contains all installation materials: Bracket for the solar panels to be placed upright or fixed to walls or roofs with screws, installing iron plates and screws to facilitate the fan mounting to the base, nylon ties to hang fan firmly on the pole, plug & play cord easy to wire through small holes. Solar fan's cord has On/Off switch to manually control the ventilation fan ON/OFF.
  • ✅ Note & Warranty: Since there is no built-in battery, it is directly powered by the solar panels which only works in daytime. The airflow is affected by the sunlight intensity: sunny day gets the high airflow speed; cloudy day or dusk, the airflow speed will decreases. 24/7 service and 2 year warranty, if you have any questions about the product, please feel free to contact us.

Product Details

Brand:pqins
Model:18-1P-B
Size:25W
Color:black
Dimensions:1.5 X 7.1 X 7.1 inches

VIVOSUN 20W Solar Fan Kit, 20W Solar Panel with Two Waterproof Fans, Solar Powered Fan with 16.4ft On/Off Switch Cable for Outside Chicken Coops, Greenhouses, Sheds

Image of VIVOSUN 20W Solar Fan Kit, 20W Solar Panel with Two Waterproof Fans, Solar Powered Fan with 16.4ft On/Off Switch Cable for Outside Chicken Coops, Greenhouses, Sheds

Key Features

  • ✅ Solar-Powered High-Efficiency Fans: The two fans are powered entirely by the 20W solar panel, providing an energy-efficient and cost-saving solution; Utilizing brushless induction motors with oil-impregnated bearings, the fans deliver powerful, quiet performance with speeds reaching 3200RPM
  • ✅ Waterproof & Rustproof: Constructed of heavy-duty aluminum housing, the solar panel features a sturdy, rustproof frame with an IP67 waterproof rating, making it suitable for outdoor use; Each fan features dual protective metal nets to prevent debris from entering the interior, ensuring safe, long-lasting operation
  • ✅ Versatile Mounting Options: The separate fan units and 16.4ft power cords enable flexible installation for exhaust or intake airflow; Each fan can be positioned independently as either an exhaust or intake fan; Individual on/off switches on the power cords allow each fan to be controlled separately
  • ✅ Simple Operation: These solar-powered fans operate when the included solar panel is exposed to direct sunlight; Fan performance correlates with solar intensity (higher sunlight generates greater airflow); The kit is ideal for spaces up to 6ft x 6ft; For larger areas, multiple kits can be installed
  • ✅ Effective Air Circulation: This solar fan kit promotes air circulation to effectively remove excess heat, moisture, dust and odors from indoor spaces; This helps maintain fresh, cool air and comfortable temperatures; Ideal for cooling and ventilation in chicken coops, greenhouses, sheds, pet houses, vehicles, attics, camping and more

Product Details

Brand:VIVOSUN
Model:SPF-001
Dimensions:13.8 X 13.4 X 0.69 inches

Fanspex Solar 2 Fan Kit, 25W Waterproofed Solar Powered Fans for Outdoor Chicken Coop, Greenhouse & Shed Intake or Exhaust Air

Image of Fanspex Solar 2 Fan Kit, 25W Waterproofed Solar Powered Fans for Outdoor Chicken Coop, Greenhouse & Shed Intake or Exhaust Air

$49.99 @ Amazon.com (Save 17%)

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Key Features

  • ✅ Warm note: This solar fan not include battery backup, the fan air-flow according to light intensity, it stop working during rainy day or at night.
  • ✅ 20W Solar Powered: The Solar dual fan kit powered by a 20W solar panel to provide decent air flow. Solar panel size is 15.0x12.6 inch.
  • ✅ High Velocity Fan Kit: The fan kit with 2 high velocity fans for max 3500RPM speed which provide up to 360 CFM air-flow.
  • ✅ Design for Outdoor Use: The whole kit is IP67 waterproofed for outdoor use, stay well in multiple Severe weather, including snow, storm. Working Temp from -13℉to 140℉.
  • ✅ Multiple Usages: Upgrade 16 ft cord length and included installation kit which is more convenient use for outdoor Chicken coop, Dog House, Shed, Pet House, greenhouse.

Product Details

Brand:Fanspex
Model:FS-10
Size:Solar 2 Fan Kit
Color:Black
Dimensions:6.3 X 1.5 X 11.8 inches
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