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How Much Does It Cost to Repair an Attic Fan?

$100 - $500
average cost to repair attic fan
$300 – $900
attic fan replacement cost
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Attic fans play a crucial role in maintaining the comfort and air quality of your home by exhausting hot air and bringing in cooler outside air. Whether it’s routine maintenance, a simple repair, or a complete replacement, understanding the costs involved can help you plan and budget effectively. In this guide, we’ll cover everything from basic repairs to full attic fan replacement costs.


Key Takeaways

  • Average Repair Costs: Attic fan repairs typically range from $100 to $500.
  • Replacement Costs: Replacing an attic fan can cost between $300 and $900.
  • Common Repairs: Includes electrical wiring, fan motor, and thermostat repairs.
  • DIY Potential: Some attic fan issues can be addressed by homeowners with appropriate skills.
  • Professional Help: For more complex problems, hiring a professional is advised.

Attic Fan Repair Costs

Repairing an attic fan involves various tasks, from simple adjustments to more complex replacements. Here is a breakdown of the costs you can expect:

DescriptionCost
National Average Cost$325
Minimum Cost$60
Maximum Cost$1,000
Average Cost Range$100 to $500

Cost to Repair an Attic Fan or Vent

Depending on what needs fixing, the costs can vary. Here’s a detailed look at common repairs and their associated costs:

RepairAverage Cost
Electrical wiring repair$80 – $200
Fan motor replacement$150 – $650
Fuse replacement$150 – $200
Replace cover or cap$90 – $250
Replace fan belt or switch$60 – $100
Replace fan blades$60 – $200
Replace fan shutters / grill$100 – $300
Replace roof vent$150 – $750
Replace thermostat$80 – $300
New attic fan installation$300 – $900
New whole-house fan installation$600 – $2,200

Detailed Repair Costs

Attic Fan Motor Replacement Cost

The cost of replacing an attic fan motor typically ranges from $150 to $650, depending on the complexity and type of motor used.

Electrical Repairs for Attic Fan

Electrical issues such as wiring repairs cost between $80 and $200, a critical repair to ensure your attic fan operates safely and efficiently.

Attic Fan Thermostat Replacement Cost

Replacing a thermostat can cost between $80 and $300, crucial for maintaining the desired temperature in your attic space effectively.

Attic Fan Cover or Cap Replacement

Exposure to elements can lead to the deterioration of the fan’s cover or cap, costing between $90 and $250 to replace.

Attic Fan Belt & Switch Replacement Cost

Belts and switches are among the cheaper repairs, generally ranging from $60 to $100.

Attic Fan Mount Repair Cost

Repairing the mount of an attic fan can vary widely depending on the damage and the fan’s design.

Replace Roof Vent

Replacing a roof vent can be a more costly repair, running from $150 to $750, important for ensuring proper attic ventilation.

Solar-Powered Ventilation Fan Repair Cost

Solar-powered attic fans are an eco-friendly option, but repairs can be costly due to the technology involved, typically ranging from $200 to $800.

Attic Fan Replacement Cost

If repairs are too extensive, replacing the attic fan might be necessary. This typically costs between $300 and $900. Installation complexities, such as roof modifications or electrical upgrades, can affect the final price.

Cost Factors to Repair a Whole-House or Attic Fan

Factors influencing the cost include the type of fan, the complexity of the repair, and whether additional parts like thermostats or switches are needed.

Who Repairs Whole-House and Attic Fans?

While some homeowners might tackle this as a DIY project, it’s often best to hire a professional, especially for more complex issues.

Can I Repair an Attic Fan Myself?

DIY repairs are possible for simpler issues. However, for electrical repairs or when working on the roof, professional assistance is recommended.

Hiring a Professional to Repair Your Whole-House or Attic Fan

When hiring a professional, ensure they are licensed and experienced. Ask about their approach to similar jobs and request detailed quotes to avoid surprises.

Questions to Ask Contractors Before Hiring

Before hiring a contractor, ask about their experience, licensing, the scope of the job, and the estimated time of completion. Ensure they provide a clear and detailed quote.


Understanding the costs and considerations when repairing or replacing an attic fan can help you make informed decisions about your home’s ventilation needs. Whether you opt for DIY fixes or professional services, ensuring your attic fan is in good working order is essential for your home’s comfort and efficiency. For more insights on home improvement costs, check out our other cost guides on Renotag such as roof replacement costs.

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