Solar Attic Fan Installation: Should You Go DIY or Hire a Pro?

Solar Attic Fan Installation: Should You Go DIY or Hire a Pro?

When you decide to install a solar attic fan, you're faced with a key question: should you tackle the installation yourself or hire a professional? A solar attic fan is a fantastic home upgrade, but the installation process, especially on a roof, comes with unique considerations.¹

This guide will break down the pros and cons of both DIY and professional installation, helping you decide which path is right for you.

DIY Installation: The Pros and Cons

For many homeowners, the DIY route is appealing. Since a solar attic fan is a self-contained unit that requires no electrical wiring, it's one of the few solar projects you can safely handle without an electrician.²

Pros of DIY:

• Cost Savings: This is the biggest advantage. By doing it yourself, you eliminate labor costs, which can range from $200 to $400.³ This can significantly reduce the overall cost and speed up your return on investment.

   

• Faster Installation: You can complete the project on your own schedule, often in just a few hours on a sunny weekend.

• Pride of Ownership: There's a great sense of accomplishment that comes with improving your home with your own hands.

Cons of DIY:

• Safety Risks: Working on a roof, especially with power tools, can be dangerous.⁴ The risk of falls, injuries, or electrical shock from a live wire (if you're not careful) is a serious concern.

   

• Potential for Mistakes: A common mistake is improper roof sealing. If the fan's flashing isn't installed and sealed correctly, it can lead to leaks and expensive water damage inside your attic.

• Inadequate Sizing: Without a full understanding of attic ventilation principles, a DIYer might choose a fan that is either too small (ineffective) or too large (unnecessary expense).

Professional Installation: The Pros and Cons

Hiring a professional, such as a roofer or a general contractor, offers peace of mind and guarantees the job is done correctly.⁵

Pros of Hiring a Pro:

• Expertise and Experience: A professional understands roof structures, ventilation dynamics, and proper sealing techniques.⁶ They will ensure the fan is installed in the most effective location and is perfectly waterproof.

   

• Safety Guaranteed: Professionals have the right safety equipment and training to work on roofs, minimizing the risk of accidents.⁷

   

• Proper Sizing: A professional can accurately assess your home's needs and recommend the right size and type of fan for optimal performance.⁸ They can also ensure your soffit vents provide adequate intake for a balanced system.

   

• Warranty Protection: Many professionals offer a warranty on their installation work, giving you recourse if a problem arises later.

Cons of Hiring a Pro:

• Higher Upfront Cost: You'll need to pay for labor, which adds to the total project cost.⁹

   

• Scheduling: You'll have to work around the professional's schedule, which may not always be convenient.

What to Consider: A Decision-Making Chart

To help you make a final decision, consider your personal comfort level and the specifics of your project.

Conclusion: Making the Right Call for Your Home

For the skilled and safety-conscious homeowner with a standard shingle roof, a DIY installation can be a rewarding and cost-effective project. Just be sure to follow all instructions carefully, especially regarding the crucial waterproofing step.

However, if you have a steep or complex roof, are uncomfortable with heights, or simply want the assurance that the job is done perfectly, hiring a professional is the smartest choice. The added cost for professional labor is a small price to pay for a safe, leak-free, and highly efficient installation that will save you money for years to come.