How much to fix an attic fan?

Author: Francesca Toy  |  Last update: Monday, April 14, 2025

Attic fan repair costs $300 on average, but ranges between $204 and $437 depending on the type. If you notice your HVAC unit is struggling to keep up, and both your utility bill and the upper level of your home are becoming increasingly uncomfortable, your attic fan may be on the fritz.

What happens if an attic fan stops working?

Moisture Problems: A lack of ventilation can trap moisture in your attic, which can lead to mold growth, rotting wood, and damage to insulation. Roof Damage: Excessive heat can damage your roofing materials, leading to premature deterioration and the need for costly repairs or replacements.

Can attic fans be repaired?

In the hope of keeping that motor running for as many years as possible, it's best to catch problems early. This way, it's more likely that your attic fan can be repaired, and full motor replacement won't be necessary. This means you'll need to pay attention to any signs that something is wrong with your attic fan.

What is the life expectancy of an attic fan?

You can expect your attic fan to last between 10 - 15 years before needing its motor replaced.

How much does it cost to repair an attic fan?

Attic fan repair costs $100 to $500 on average, with most homeowners spending about $325. Attic fan replacement costs $300 to $900 and is recommended for fans older than 10 years. Attic fan motor replacement costs $150 to $650. Replacing a whole-house attic fan costs $600 to $2,200.

Is a Roof Power Attic Fan a Waste of Money....or Even Worse?

Who to call to fix an attic fan?

If yours stops working, it's essential to fix it as soon as possible—and in most cases, you'll need to hire a pro. Assuming that your attic fan runs on electricity (as many do), it's best to call a licensed electrician for repairs.

Do roofers replace attic fans?

A residential roofing contractor has experience with attic maintenance procedures. They can adequately install an attic fan to ensure you don't have to bear any unnecessary expenses later. They can also help you choose the right attic fan for your home and individual needs.

Why don't people use attic fans anymore?

Why are attic fans not used anymore? Due to inefficiencies in relying on existing attic vents for air intake, attic fans have lost popularity. These vents often aren't designed for this purpose, resulting in inadequate replacement air supply.

How do I know if my attic fan is bad?

Be attentive to any strange sounds, such as grinding, screeching, or rattling coming from your roof attic fan. These could indicate mechanical problems.

Is it OK to run an attic fan all night?

If the evenings are cooler, you can try turning the attic cooling fan off until the morning, but if you notice your HVAC system begins to struggle to keep your home comfortable, you may want to keep running the attic fan overnight.

Do attic fans need to be serviced?

For most whole-house fans, annual maintenance isn't really much of a need. Whole-house fans that have oil ports to help the motor run will need basic lubrication every few years, but little more. An attic exhaust fan, which is designed only to cool the attic space, almost never requires any maintenance.

Are attic fans expensive?

Attic fans range differently depending on what kind of the Attic fan you are installing, you can expect to pay between $350 to $1,000 installed. The pricing varies based on the type of Attic fan, the sizing requirements, and the motor type.

How much does it cost to fix attic ventilation?

Attic fan installation costs $300 to $900 and provides active ventilation from a motorized fan. Adding passive attic ventilation like gable vents costs $150 to $700. Additional intake vents may be required when adding an attic fan.

Is it OK for attic fan to run all day?

You don't need to have your attic fun running all of the time. Having it running only when it's needed maximizes its benefits for your home's AC and overall energy efficiency.

What happens when a ceiling fan stops working?

If your ceiling fan is not working at all speeds, it could be due to a faulty capacitor, a worn-out motor, or issues with the fan switch. These issues can prevent the fan from functioning properly and may require professional attention to resolve.

How much does a whole house fan cost?

The cost to install a whole house fan typically ranges from $900 to $2,500, with an average cost of $1,700. This includes the fan unit, costing between $800 to $1,500 or more for larger, feature-rich models, and installation expenses which vary from $300 to $800, influenced by complexity and local labor rates.

How to quiet a noisy attic fan?

Side Notes: Quieting a Loud Attic Fan
  1. Tighten the Screws. In many cases, the noise is caused by loose screws that allow the fan to shift in place. ...
  2. Balance the Blades. If the problem is more of a clanking or clicking, as opposed to a hum or whine, the fan blades may be off balance. ...
  3. Replace the Ball Bearings.

What is the life expectancy of a roof fan?

The care you give your exhaust fans and other rooftop equipment has a huge impact on their lifespan. Without proper maintenance and recognition that something is wrong, an expensive rooftop exhaust fan may only last five years or less.

Should I get rid of my attic fan?

Winter Air Leakage: Whole house fans can hurt you more in the winter than they help you in the summer. Older models especially can be a big source of air leakage in the attic, causing your heating bills to skyrocket as warm air escapes and cold air seeps in.

Do attic fans lower electric bill?

By removing hot air from your attic, attic fans can help reduce the workload on your air conditioner, which can lead to lower energy bills. They can also prevent ice damming during the winter months, which can cause damage to your roof and home.

Do attic fans help keep a house cool?

The Benefits of Attic Fans. By improving ventilation in your home's attic, installing an attic fan can help reduce moisture and even lower the temperature within your entire house.

Which is better, ridge vent or attic fan?

If you had to choose just one—and your attic has a great need for ventilation—an attic fan is your best bet. Attic fans in the $300 to $400 range can move upwards of 5,000 CFM. For lower capacity ventilation at a steep cost savings, a ridge vent might be your best choice.

What is the average price to replace an attic fan?

The cost to install an attic fan is $625 on average. Installing a small, passive attic fan may cost you as little as $369, but a larger solar or dual-powered attic fan can surpass $914. Contrary to what their name might suggest, attic fans help to cool your whole house—not just the attic space.

Who typically installs attic fans?

Roofers do install attic fans. Actually, it's a good idea to hire a roofer to do it because the installation will require cutting a hole in the roof itself.

Do home warranties cover attic fans?

A home warranty typically covers the home's systems: electrical, heating, air conditioning, interior plumbing, water heater, and ductwork. It also typically covers the home's appliances: dishwasher, garbage disposal, refrigerator, oven, range or cooktop, ceiling fans, exhaust fans, and attic fans.

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