--- description: "Are Solar Attic Fans Worth It: Yes, they reduce energy bills & HVAC usage, ventilate the house, and thus save on energy bills." title: "Are Solar Attic Fans Worth It: Pros and Cons - Energy Theory" image: https://energytheory.com/wp-content/uploads/2023/07/JAN-23-Are-Solar-Attic-Fans-Worth-it-0.png --- Close Menu - [About](https://energytheory.com/about-us/) - [EV](https://energytheory.com/category/electric-vehicles/) - [FAQs](https://energytheory.com/category/faqs/) - [Glossary](https://energytheory.com/category/glossary/) - [Green](https://energytheory.com/category/green/) - [Renewable](https://energytheory.com/category/renewable/) - [Sustainable](https://energytheory.com/category/sustainable/) - [Energy Economy](https://energytheory.com/category/energy-economy/) - [Energy Services](https://energytheory.com/category/energy-services/) - [Solar](https://energytheory.com/category/solar/) - [Sustainable](https://energytheory.com/category/sustainable/) - [News](https://energytheory.com/category/latest-news/) - Language [![Energy Theory](https://energytheory.com/wp-content/uploads/2022/11/2e3rtgthghnm.png)](https://energytheory.com/ "Energy Theory") ![en](https://cdn.gtranslate.net/flags/svg/en.svg) English ![es](https://cdn.gtranslate.net/flags/svg/es.svg) Spanish ![fr](https://cdn.gtranslate.net/flags/svg/fr.svg) French ![en](https://cdn.gtranslate.net/flags/svg/en.svg) English ![it](https://cdn.gtranslate.net/flags/svg/it.svg) Italian ![zh-CN](https://cdn.gtranslate.net/flags/svg/zh-CN.svg) Chinese (Simplified) ![nl](https://cdn.gtranslate.net/flags/svg/nl.svg) Dutch ![fi](https://cdn.gtranslate.net/flags/svg/fi.svg) Finnish ![de](https://cdn.gtranslate.net/flags/svg/de.svg) German ![hi](https://cdn.gtranslate.net/flags/svg/hi.svg) Hindi ![ja](https://cdn.gtranslate.net/flags/svg/ja.svg) Japanese ![pl](https://cdn.gtranslate.net/flags/svg/pl.svg) Polish ![pt](https://cdn.gtranslate.net/flags/svg/pt.svg) Portuguese ![ru](https://cdn.gtranslate.net/flags/svg/ru.svg) Russian [![Energy Theory](https://energytheory.com/wp-content/uploads/2022/11/2e3rtgthghnm.png)](https://energytheory.com/ "Energy Theory") ![en](https://cdn.gtranslate.net/flags/svg/en.svg) English ![es](https://cdn.gtranslate.net/flags/svg/es.svg) Spanish ![fr](https://cdn.gtranslate.net/flags/svg/fr.svg) French ![en](https://cdn.gtranslate.net/flags/svg/en.svg) English ![it](https://cdn.gtranslate.net/flags/svg/it.svg) Italian ![zh-CN](https://cdn.gtranslate.net/flags/svg/zh-CN.svg) Chinese (Simplified) ![nl](https://cdn.gtranslate.net/flags/svg/nl.svg) Dutch ![fi](https://cdn.gtranslate.net/flags/svg/fi.svg) Finnish ![de](https://cdn.gtranslate.net/flags/svg/de.svg) German ![hi](https://cdn.gtranslate.net/flags/svg/hi.svg) Hindi ![ja](https://cdn.gtranslate.net/flags/svg/ja.svg) Japanese ![pl](https://cdn.gtranslate.net/flags/svg/pl.svg) Polish ![pt](https://cdn.gtranslate.net/flags/svg/pt.svg) Portuguese ![ru](https://cdn.gtranslate.net/flags/svg/ru.svg) Russian [Solar](https://energytheory.com/category/solar/) # Are Solar Attic Fans Worth It: Pros and Cons With their small size but power functioning, solar attic fans are the sustainable solution to remove hot and humid air. By [Olivia Bolt](https://energytheory.com/author/olivia_bolt/)July 4, 20245 Mins Read ![JAN 23 Are Solar Attic Fans Worth it](https://energytheory.com/wp-content/uploads/2023/07/JAN-23-Are-Solar-Attic-Fans-Worth-it-0-1024x683.webp "Are Solar Attic Fans Worth It: Pros and Cons") As summer sets in, with A/C expenses ranging from around $0.06 to $0.88 per hour, bills can become quite expensive. However, attic fans improve ventilation and airflow and reduce the usage of HVAC systems. But are solar attic fans worth it in the long run? Let’s find out! ## **Are Solar Attic Fans Worth It?** **Yes**, they are so worth it. They utilize free solar power, reducing energy costs. Additionally, these fans regulate attic temperature, improving your AC unit’s efficiency and lowering electric bills. The [Florida Solar Energy Centre](http://www.fsec.ucf.edu/en/publications/html/fsec-gp-171-00/) found solar attic fans to be of great benefit on hot summer days in North America. The study revealed that these fans could reduce AC usage by up to 6% and decrease indoor temperatures by as much as 6° C (approximately 10° F). These improvements resulted in energy savings of around 460 kWh during the summer test period. If you do not know what a solar attic fan is, then let me explain. These solar-powered fans pull heated air out of the attic and replace it with cool air. They reduce the workload on the [HVAC system](https://energytheory.com/what-is-hvac-heating-ventilation-and-air-conditioning/). ### **Pros of Solar Attic Fans** **1. Eco Friendly**: They **utilize solar energy** providing a sustainable and [renewable energy source](https://energytheory.com/what-are-renewable-energy-resources/) over other forms of power. **2. Silent**: Noise is not an issue with these fans. **These** **fans are very silent** when compared to the noise produced by the powered fans. **3. Easy to Install**: They are **not only durable but also incredibly easy to install**. Self-installation is possible without any hassle, but, we recommend to let the technician do the job. **4. Safe**: There is **no risk of carbon monoxide with these fans.** The powerful force of attic fans draws carbon monoxide from combustion devices into the attic due to the creation of negative pressure zones. Come find out other ways to [reduce your carbon footprint as a student in school or college](https://energytheory.com/how-to-reduce-carbon-footprint-as-a-student/). **5. Damage-Preventing**: Solar attic fan draws heat and moisture from the attic. It alsopreventsice dams, helping to eliminate mold, reducing damaging moisture, and preserving the durability of roof structures and materials. **6. Efficient Heat Management**: They have **remarkable ability to effectively decrease temperatures.** This is another determinant of whether solar attic fans are worth it. **7. Different Mounting Options**: There are three different mounting options: **curb-mounted, gable-mounted, and roof-mounted.** You can determine the ideal model based on the type of roof, whether it is flat or pitched. Additionally, consider the specific pitch of the roof and the square footage of your attic. Just learning about the pros won’t give you a clear idea about the worthiness of solar attic fans, you also need to consider their cons. **Also See:** [Exploring the Pros and Cons of Solar Battery Storage](https://energytheory.com/pros-and-cons-of-solar-battery-storage/) ### **Cons of Solar Attic Fans** **1. Higher Initial Cost**: Solar attic fans come with a **higher initial capital cost for homeowners compared to traditional models**. In most markets, a single fan typically costs around $600, and installation expenses can range from about $150 to $300. **2. Long Payback Period**: **Recouping installation costs can be time-consuming.** Opting for an [Energy Star-rated](https://www.energystar.gov/) solar attic fan may qualify you for tax credits of up to 30% of the initial expense. **3. Lower Power Output**: Solar attic fans **move less air than some other options.** For homes larger than 1,600 square feet, three fans might be needed to maximize air movement and utility savings. **Also Read:** [Do Solar Lights Attract Bugs?](https://energytheory.com/do-solar-lights-attract-bugs/) **4. Sunlight Dependency**: Without proper exposure to the sun, these fans won’t operate efficiently. Using a large battery can mitigate this issue, but adds to the installation cost. Before opting for solar attic fans, assess the amount of daily sunlight and factors like cloud cover and obstructions that may affect their performance. ![JAN 23 Sunlight Dependency](https://energytheory.com/wp-content/uploads/2023/07/JAN-23-are-solar-attic-fans-worth-it-4.jpg) **5. Roof Structure Changes Required:** Installing solar attic fans **necessitates cutting holes in the roof**. Overlooking the need for multiple holes to accommodate the entire system may make it unsuitable for certain properties. The installation’s weight could strain the existing supports at the top of the house. **6. Air Movement Limitations**: Some solar attic fans might only circulate hot and humid air instead of properly exhausting it, potentially limiting the expected benefits and improvements in attic ventilation. ### **What is Solar Attic Fan Price?** The price of a solar attic fan usually **varies between $200-$500** with an additional fee of about $150-$250 for installation by a technician. However, if you need more than 1 fan, it will increase the budget. **Note**: Price range is subject to change based on location, brand, subsidies, incentives, tax credits or related factors. > Cross-Reference: [Solar Attic Fan Price](https://www.amazon.com/s?k=solar+attic+fan&s=price-desc-rank&crid=2L5M17EH5GHKO&qid=1690458697&sprefix=solar+attic+fan%2Caps%2C387&ref=sr_st_price-desc-rank&ds=v1%3AhTvzcdKlqlUn6ElVhrWHmTnF7tSikAuEgpnkO5EUHDM) ### **Does a Solar Attic Fan Save Money?** **Yes**, this will reduce the load on your air conditioning system hence saving you money. An [Ontario Energy Board study](https://www.oeb.ca/sites/default/files/IESO_2016_LDC_CDM_Program_Results_Report.pdf) indicated that during peak periods these fans are capable of conserving up to 200kw/h energy per annum. Other than this, these [solar attic fans may qualify](https://www.irs.gov/newsroom/energy-incentives-for-individuals-residential-property-updated-questions-and-answers) for a Residential Energy Efficient Property Credit. Improvements that save energy may be eligible for a credit of up to** 26% of the cost of installation and purchase.** Even though the IRS does not consider solar attic fans to improve energy efficiency, they can still meet the requirements for a tax credit. In conclusion, solar attic fans are worth it as they offer a cost-effective and sustainable way to ventilate our house. However, they are ideal for houses with confined attics rather than modern-built houses with spacious and ventilated attics. Whatever it is, you will save money with solar products in the long run. For more such blogs, explore the solar section of our website. **Recommended**: [How to Use a Solar Panel to Power a Fan](https://energytheory.com/how-to-use-a-solar-panel-to-power-a-fan/) Share. 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She takes part in environmental conservation by recycling and avoiding single-use plastic. #### Related Posts [![](https://energytheory.com/wp-content/uploads/2024/09/Large-Area-PV-Solar-Modules-with-12.6-Efficiency-with-Nickel-Oxide-by-Italian-Scientists-300x200.png "Large-Area PV Solar Modules with 12.6% Efficiency with Nickel Oxide by Italian Scientists")](https://energytheory.com/large-area-pv-solar-modules-with-12-6-efficiency-with-nickel-oxide-by-italian-scientists/ "Large-Area PV Solar Modules with 12.6% Efficiency with Nickel Oxide by Italian Scientists") #### [Large-Area PV Solar Modules with 12.6% Efficiency with Nickel Oxide by Italian Scientists](https://energytheory.com/large-area-pv-solar-modules-with-12-6-efficiency-with-nickel-oxide-by-italian-scientists/) September 25, 2024 [![Why is There So Much Fear Surrounding LiPo Batteries](https://energytheory.com/wp-content/uploads/2024/09/lipo-batteries-fear-300x200.webp "Why is There So Much Fear Surrounding LiPo Batteries?")](https://energytheory.com/why-is-there-so-much-fear-surrounding-lipo-batteries/ "Why is There So Much Fear Surrounding LiPo Batteries?") #### [Why is There So Much Fear Surrounding LiPo Batteries?](https://energytheory.com/why-is-there-so-much-fear-surrounding-lipo-batteries/) September 11, 2024 [![What is the Difference Between VCC, VDD, VEE, and VSS?](https://energytheory.com/wp-content/uploads/2024/09/VCC-300x200.webp "What is the Difference Between VCC, VDD, VEE, and VSS")](https://energytheory.com/what-is-the-difference-between-vcc-vdd-vee-and-vss/ "What is the Difference Between VCC, VDD, VEE, and VSS") #### [What is the Difference Between VCC, VDD, VEE, and VSS](https://energytheory.com/what-is-the-difference-between-vcc-vdd-vee-and-vss/) September 10, 2024 Add A Comment Leave A Reply [Cancel Reply](https://energytheory.com/are-solar-attic-fans-worth-it/#respond) Save my name, email, and website in this browser for the next time I comment. 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