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Best Solar Attic Fans In 2024

A solar attic fan utilizes solar energy to keep your attic cool and dry which helps to reduce air conditioning bills and increase the life of your roof materials.

But with so many choices out there, how do you find the best one for your house?

We tried out several solar attic fans by testing them in conditions just like what you’d find in a real attic. This way, we made sure the ones we suggest can really handle the job. Here are the three main things we looked at to pick the best ones:

  • Coverage: Select a solar attic fan by its ventilation capacity. Higher wattage motors offer broader coverage but consume more energy, which is important to consider under cloudy conditions or when using a power grid connection.
  • Mounting: Choose between wall-mounted (easier-to-install) or roof-mounted (more efficient) models. Decide based on installation ease, cost, and energy needs.
  • Panel Efficiency: Efficient solar panels ensure the fan operates effectively in various lighting conditions. Opt for fans with quality panels that perform well even on overcast days for reliable cooling.

These factors will significantly influence the fan’s performance and longevity, ensuring you invest in a product that effectively reduces attic temperature and moisture over time. Follow our “Buying Guide” for more details.

10 Best Solar Attic Fan Table 

Best Solar Attic FanWattageAttic Area CoverWarrantyBuy Now
QuietCool Solar Attic Fan40WUp to 2200 sq ft15 yearsCheck On Amazon
Amtrak Solar Attic Fan35W, 50WUp to 2250 sq ft25 yearsCheck On Amazon
iLiving Solar Attic Fan20W, 40WUp to 2000 sq ft15 yearsCheck On Amazon
Remington Solar Attic Fan30WUp to 2500 sq ft25 yearsCheck On Amazon
LiL DiHo Solar Attic Fan25WUp to 2000 sq ftLimitedCheck On Amazon
VEVOR Solar Attic Fan40WUp to 1000 Sq Ft---Check On Amazon
OmniPV Solar Attic Fan35WUp to 1200 sq ft15 yearsCheck On Amazon
KingMiKi Solar Attic Fan30WUp to 1800 sq ftLimitedCheck On Amazon
Svarog Solar Attic Fan25WUp to 1750 sq ft5 yearsCheck On Amazon
DC HOUSE Solar Attic Fan32WUp to 3000 sq ftLimitedCheck On Amazon

Best Solar Attic Fan in 2024: Reviews

1. QuietCool Solar Attic Fan

QuietCool Solar Attic Fan

The QuietCool Attic Fan is designed for homeowners seeking a budget-friendly solution to improve attic ventilation, reducing heat and moisture while enhancing the overall comfort of their home. Featuring a 40-watt solar panel and an ultra-energy-efficient DC motor, this attic fan is engineered to optimize airflow without hiking up energy costs.

Its fully adjustable solar panel can tilt up to 60 degrees, ensuring maximum solar energy capture throughout the day. A standout feature is the included AC/DC inverter, which allows for continuous operation, day and night, providing consistent ventilation. The preset thermostat offers automatic operation, activating the fan when cooling is needed and saving energy when it’s not.

Built on principles of integrity, diligence, and innovation, QuietCool’s dedication to energy-saving ventilation solutions is evident in the design and craftsmanship of their products, aimed at delivering unparalleled comfort and significant savings on energy bills.

Best Features

  • 40-watt adjustable solar panel
  • Energy-efficient DC motor
  • AC/DC inverter for 24/7 use
  • Preset automatic thermostat
  • Designed by ventilation experts

Pros

  • Reduces cooling costs
  • Continuous operation, day and night
  • Automatically adjusts to temperature
  • Eco-friendly solar power
  • Easy to install and adjust

Cons

  • Limited to gable mount
  • May need direct sunlight

Buy Now From Amazon

2. Amtrak Solar Attic Fan

Amtrak Solar Attic Fan

Amtrak Attic Fan is designed for home, garage, RV, or greenhouse, aiming to reduce heat and prevent moisture buildup. It stands out with its efficient 80-watt motor powered by solar energy, offering a cost-effective solution to ventilate spaces effectively while reducing electricity bills.

With a compact size of 12″x12″x3″, it’s versatile enough to fit in various spaces, from attics to greenhouses. Installation is straightforward, thanks to its plug-and-play connectors and mounting tabs, making it accessible for DIY enthusiasts.

Its robust construction ensures to withstand harsh weather conditions for long-term performance. Proudly made in the USA, Amtrak Solar backs this fan with a 25-year warranty, showcasing its commitment to quality.

Best Features

  • Solar-powered, energy-efficient
  • Compact and versatile design
  • Easy to install
  • Durable construction
  • Made in the USA

Pros

  • Reduces cooling costs
  • Versatile installation options
  • Weather-resistant
  • Long 25-year warranty
  • Enhances air quality

Cons

  • Limited to one speed

Buy Now From Amazon

3. iLiving Solar Attic Fan

iLiving Solar Attic Fan

iLIVING’s solar attic fan is ideal for providing proper ventilation in kitchens and bathrooms. This fan combines advanced technology with eco-friendly solar power to ventilate up to 2500 square feet of space. It comes with a smart thermostat control that allows the users to set temperatures between 50-122°F, along with an enable/disable feature for personalized ventilation control.

Its IP68 waterproof brushless motor is not only durable but also comes with a 15-year warranty, ensuring long-term reliability. The solar panel is adjustable to four different angles (0°, 15°, 30°, and 45°), maximizing sun exposure and efficiency.

This fan’s design prioritizes energy savings and environmental sustainability, making it a top choice for eco-conscious homeowners. Although the AC/DC adapter kit for non-stop day/night running is sold separately, this fan remains a versatile solution for attic ventilation.

Best Features

  • Smart thermostat control
  • IP68 waterproof, durable motor
  • Adjustable solar panel angles
  • 1750 CFM for extensive coverage
  • Designed in San Francisco, CA

Pros

  • Reduces cooling costs
  • Extensive area coverage
  • Long-lasting brushless motor
  • Solar-powered, eco-friendly
  • Easy thermostat customization

Cons

  • AC adapter sold separately
  • Some noise at 65 dB

Buy Now From Amazon

4. Remington Solar Attic Fan

Remington Solar Attic Fan

The Remington Solar Attic Fan is an excellent investment for those looking to enhance their home’s energy efficiency and comfort. Powered entirely by solar energy, it actively reduces attic temperature and moisture, thereby enhancing the overall comfort of your home.

The inclusion of a 110V adapter allows for continuous operation during the night, ensuring round-the-clock cooling. Its built-in humidistat and thermostat automatically adjust airflow based on your attic’s specific conditions, optimizing performance without manual intervention.

Additionally, the fan’s brushless motor not only extends the unit’s lifespan by eliminating friction and wear but also operates quietly, minimizing noise disruption. Its weather-resistant design can withstand hail and extreme conditions, making it a durable choice for any home. Installation is straightforward, making it accessible for a wide range of applications, from homes to sheds and beyond.

Best Features

  • Solar-powered, eco-friendly
  • Automatic night-time operation
  • Built-in humidistat and thermostat
  • Durable, weather-resistant design
  • Quiet, brushless motor

Pros

  • Reduces energy costs
  • Combats moisture damage
  • Automatic temperature and humidity control
  • Easy to install
  • Near-silent operation

Cons

  • Adapter requires surge protector
  • Not for very large attics

Buy Now From Amazon

5. LiL DiHo Solar Attic Fan

LiL DiHo Solar Attic Fan

The LilDiho 30W Solar Powered Fan is ideal for spaces like greenhouses, attics, garages, and more, without relying solely on traditional power sources. It features a 30W high-efficiency monocrystalline solar panel paired with a versatile 10-inch DC fan, capable of both exhausting hot air and drawing in fresh air.

With the ability to switch between forward and reverse rotation, it offers flexible solutions for maintaining optimal air quality and temperature. The fan supports dual charging methods, allowing for solar charging under sunlight and home adapter charging during less sunny periods, ensuring consistent operation.

Its design is both waterproof and rustproof, made with durable materials like tempered glass, aluminum, hard plastic, and stainless steel, to withstand harsh weather conditions. The easy-to-use manual on/off control adds to its practicality, and the included extension cables for both solar panel and home adapter extend its installation flexibility.

Best Features

  • Dual exhaust/intake function
  • Solar and adapter charging
  • Waterproof and rustproof
  • Easy manual on/off control
  • Flexible installation with extension cables

Pros

  • Versatile cooling/ventilation
  • Durable in all weathers
  • Two charging options
  • High efficiency solar panel
  • Long extension cables included

Cons

  • No electricity storage
  • Sun-dependent operation

Buy Now From Amazon

6. VEVOR Solar Attic Fan

VEVOR Solar Attic Fan

VEVOR is known for blending modern tech with everyday needs. Their solar attic fans boost efficiency and sustainability in indoor spaces.

These fans are cost-effective and sleek, with a 40W MPPT controller that optimizes solar power usage. They’re great for reducing cooling expenses by pulling out hot air quietly and effectively. Plus, they’re weatherproof and work well in various spaces like homes, greenhouses, and garages.

The built-in thermostat ensures automated temperature control, shutting off below 78.8°F and kicking in when it’s hotter. For added ease, it comes with a smart adapter for continuous use and a remote control that works from up to 65 feet away.

Features:

  • 40W MPPT solar controller for efficient sunlight absorption.
  • High-efficiency brushless DC motor (1230 CFM capacity).
  • Remote controlled for easy use.
  • Smart adapter enables solar to electric switch.
  • Built-in thermostat for automatic cooling.
  • Three adjustable speed settings.

Pros:

  • Effectively reduces attic temperatures.
  • Quiet operation.
  • Convenient remote control.
  • Weatherproof for various climates.

Cons:

  • Replacement/service issues due to warranty limitations.

Buy Now From Amazon

7. OmniPV Solar Attic Fan

OmniPV Solar Attic Fan

The OmniPV Solar Attic Fan is designed for homeowners and professionals seeking an efficient solution to reduce attic heat buildup and improve ventilation in homes, greenhouses, garages, shops, RVs, and workshops.

With its powerful 35W solar panel and brushless DC motor, it ensures optimal cooling of up to 1200 CFM with low energy consumption. Its waterproof and weather-resistant construction, including a durable aluminum alloy body, promises longevity and performance in various environmental conditions.

The built-in thermostat offers automatic temperature control, turning off when under 77°F and resuming once the temperature rises, for hassle-free operation. With flexible installation options, it can be easily mounted on roofs, gable vents, or as extractor fans, making it a versatile addition to any space.

Best Features

  • High airflow capacity
  • Energy-efficient DC motor
  • Automatic thermostat control
  • Weather-resistant design
  • Flexible installation options

Pros

  • Reduces attic heat effectively
  • Low energy consumption
  • Durable and long-lasting
  • Simple temperature management
  • Versatile mounting possibilities

Cons

  • Single speed only

Buy Now From Amazon

8. KingMiKi Solar Attic Fan

KingMiKi Solar Attic Fan

KingMiKi Solar Exhaust Fan is designed for greenhouses, chicken coops, or any outdoor area, utilizing solar power. It features a robust 25W solar panel with a photovoltaic conversion efficiency of up to 22%, ensuring the fan operates effectively even under weak sunlight. The 8-inch, 2600 RPM powerful fan guarantees high airflow with minimal noise, perfect for maintaining a quiet and comfortable environment.

Although the fan does not have a built-in battery for night-time operation, it comes with an AC to DC power adapter for continuous use without sunlight. Constructed from durable ABS material and equipped with high-quality components like dual ball bearings and a pure copper wire motor, this fan promises longevity and resistance to rust and corrosion.

It comes with complete accessories and an adjustable bracket for the solar panel for easy installation. An innovative check valve prevents insects from entering when the fan is off, while also preventing backflow.

Best Features

  • High-efficiency 25W solar panel
  • Powerful 2600 RPM fan
  • Low noise operation
  • Durable, high-quality materials
  • Easy installation with adjustable bracket

Pros

  • Eco-friendly solar power
  • Operates in weak sunlight
  • Quiet yet powerful airflow
  • Rust and corrosion resistant
  • Long wire for flexible installation

Cons

  • No built-in battery

Buy Now From Amazon

9. Svarog Solar Attic Fan

Svarog Solar Attic Fan

Svarog Fan is designed for individuals looking for an eco-friendly way to ventilate outdoor spaces. This fan is perfect for enhancing air circulation, expelling hot air, dust, and odors, and introducing fresh air into various enclosed spaces.

Equipped with two 20W high-efficiency solar panels, this fan harnesses solar power to ensure a continuous flow of clean, free energy. The solar panels feature tempered glass and aluminum frames for excellent corrosion and weather resistance, and come with a 16FT copper wire for flexible installation.

The fan itself is crafted from premium ABS material, with a plastic protection net and an automatic shrink valve at the rear to prevent entry of wind and rain while safeguarding against small animals and blade contact.

Best Features

  • Dual 20W solar panels
  • Premium ABS construction
  • Easy, adjustable installation
  • Safe for animals and humans
  • Enhances air circulation

Pros

  • Eco-friendly solar power
  • Durable and weather-resistant
  • Simple to install
  • Effective ventilation solution
  • Safe design features

Cons

  • No power storage

Buy Now From Amazon

10. DC HOUSE Solar Attic Fan

DC HOUSE Solar Attic Fan

Did you know there’s a brand called DC HOUSE specializing in green tech solutions for ventilating your home? They offer a variety of products, but one that really stands out is their 32 Watt Solar Attic Fan. This fan boosts attic ventilation while slashing electricity bills, thanks to its solar-powered design. With 2500 CFM airflow, it efficiently cools your space automatically.

Built tough with a hail-resistant metal shell and an IP68 waterproof brushless motor, this fan can withstand harsh weather conditions, ensuring long-lasting reliability. It’s versatile too, suitable for places like sunrooms and warehouses, operating quietly at just 43 dB.

By harnessing solar energy, the DC HOUSE Solar Attic Fan eliminates the need for manual control, leading to substantial savings on air conditioning costs. Plus, it’s eco-friendly, skipping extras like thermostats and batteries, making it a wise pick for sustainable home upgrades.

Best Features:

  • Solar-powered operation for lower electricity bills.
  • Automatic activation based on sunlight.
  • Efficiently cools up to 3000 sq ft.
  • Waterproof brushless motor.
  • Quiet operation at 43 decibels.
  • Hail and weather-resistant metal shell.
  • No thermostat or battery needed.
  • Suitable for attics, sunrooms, warehouses.
  • Eco-friendly and cost-effective.

Pros:

  • Lowers attic temperatures, aiding home cooling.
  • Solar power reduces energy costs.
  • Heavy-duty construction ensures durability.
  • Quiet operation for undisturbed use.

Cons:

  • Repairs can be complex due to motor issues.

Buy Now From Amazon

How to Choose the Best Solar Attic Fan?

Selecting the right solar attic fan involves weighing these factors carefully to find a model that suits your home’s architecture, your climatic conditions, and your energy-saving goals. Below, you can find the necessary factors with detail clarification.

1. Coverage Area

When selecting a solar attic fan, consider its coverage area, which hinges on the motor’s wattage. A higher wattage motor can ventilate larger spaces but might consume more energy, which could be problematic on cloudy days or if connected to an electrical grid. Assess the motor wattage, the space it can cool, and the fan speed to ensure it meets your attic’s specific needs.

2. Wall-Mounted vs. Roof-Mounted

Solar attic fans come in two main varieties: wall-mounted and roof-mounted. Wall-mounted fans are simpler to install and less exposed to harsh weather, typically costing less than their roof-mounted counterparts. On the other hand, roof-mounted fans, which require attic venting, tend to be more energy-efficient due to the direct integration of solar panels. Your choice should align with your installation preferences, budget, and energy efficiency requirements.

3. Solar Panel Efficiency

The efficiency of the solar panel determines how well the fan will operate under various weather conditions. Look for fans with high-quality, efficient solar panels that can capture sunlight effectively, even on less sunny days, to ensure consistent operation.

4. Durability and Weather Resistance

Your solar attic fan will be exposed to all elements, so it’s crucial to choose a model designed to withstand extreme weather conditions. Look for durable materials and weather-resistant designs to ensure longevity and reliability.

5. Adjustability of Solar Panel

Some solar attic fans feature adjustable solar panels that can be tilted or oriented towards the sun for optimal sunlight exposure. This feature can significantly enhance the efficiency of the fan, especially in areas where direct sunlight availability varies throughout the year.

6. Installation and Maintenance

Consider the ease of installation and the maintenance requirements of the solar attic fan. Some models are designed for easy DIY installation, while others might require professional help. Also, look for fans that are easy to clean and maintain over time.

7. Warranty and Customer Support

A robust warranty and responsive customer support are indicators of a quality product and manufacturer’s confidence in its solar attic fan. Check the warranty details, including what it covers and its duration, and ensure the manufacturer offers reliable customer support for any issues that may arise.

Solar Attic Fan – FAQs

1. Can solar attic fans work at night?

Ans: Solar attic fans primarily work during daylight. However, some models come with an additional battery or AC/DC adapter for 24/7 operation.

2. Do solar attic fans require professional installation?

Ans: While DIY installation is possible for many models, professional installation is recommended for optimal placement and efficiency.

3. Are solar attic fans noisy?

Ans: Most solar attic fans are designed to operate quietly, with noise levels significantly lower than traditional electric fans.

4. Can I install a solar attic fan on a flat roof?

Ans: Yes, solar attic fans can be installed on both pitched and flat roofs, though installation methods may vary.

5. Do solar attic fans qualify for any tax credits or rebates?

Ans: Some solar attic fans may qualify for federal tax credits or local rebates. Check local regulations for eligibility.

6. How many solar attic fans do I need for my home?

Ans: The number depends on your attic’s size and ventilation needs. Generally, one fan per 1200 square feet is a common recommendation.

7. Can solar attic fans be used in winter?

Ans: Yes, they can help reduce moisture buildup in the attic during winter, although their effectiveness might be reduced due to shorter daylight hours.

8. Do solar attic fans come with warranties?

Ans: Yes, most solar attic fans come with warranties ranging from 1 to 25 years, depending on the brand and model.

9. Can I adjust the thermostat on a solar attic fan?

Ans: Many solar attic fans come with preset or adjustable thermostats for customized operation based on attic temperatures.

10. Will a solar attic fan prevent ice dams in winter?

Ans: While they help reduce moisture, solar attic fans alone may not prevent ice dams, which are caused by a combination of factors including poor attic insulation.

Conclusion

Investing in a solar attic fan is a wise decision for homeowners looking to enhance their home’s ventilation, reduce cooling costs, and contribute to a healthier living environment. Each of the highlighted models offers unique features suited to different needs and preferences.

  • Remington Solar Attic Fan: Perfect for eco-conscious homeowners looking for a blend of high efficiency and aesthetic appeal.
  • iLiving Solar Attic Fan: Ideal for those seeking a customizable ventilation solution with adjustable solar panels and thermostat settings.
  • Amtrak Solar Attic Fan: Offers durability and easy installation without the need for a professional.

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