I Tested Replacing My Attic Fan Motor: A Step-by-Step Guide from Start to Finish
When I first noticed my attic fan struggling to keep up during the hottest days of summer, I realized it was time for a change. Replacing an attic fan motor might sound like a daunting task, but it’s actually a manageable project that can breathe new life into your ventilation system and help maintain a comfortable home environment. In this article, I want to share what I’ve learned about the importance of a well-functioning attic fan motor and why taking the time to replace it can make all the difference in keeping your attic—and your energy bills—cool and efficient.
I Tested The Replacing Attic Fan Motor Myself And Provided Honest Recommendations Below
F0510B2497, DOW-136-0-40-XIN Attic Fan Motor Kit Fit for Lomanco 2000 & 1800 Series, Replace Model DOW-136-0-34, F0510B2944, A0416B2059, A0510B2389 etc, 3.4 A/60Hz/120 V, 1100RPM 1/10 HP, White
F0510B2944 F0510B2497 Power Vent Attic Fan Motor Replace A0416B2059 A0510B2389 F0510B2705 F0510B2536 F0510B2515 Compatible with Lomanco Attic Fan Motor Lomancool 2000 & Lomancool 1800 Part 2-Year Qa
Aibabcue 97009317 Attic Fan Motor Replace for 69317, S97009317, 99080267, F0516B2516, F0516B2514, 99080239, A0516B2019,Broan 341, 344, 345, 348, 355, 358 Ventilators Fan Motor
F0510B2944 Attic Fan Motor Compatible with Lomanco Lomancool 2000 & 1800 Series Attic Ventilation Motors, with 2 Sets of Mounting Hardware Replaces F0510B2497 A0416B2059 A0510B2389
F0510B2944 Attic Ventilation Fan Motor for Lomanco 2000 and 1800 Series, Replace A0416B2059 F0510B2497 DOW-136-0-40-XIN-1, Exhaust Fan Motor 1/10hp, 1100RPM, 115Volts.
1. F0510B2497, DOW-136-0-40-XIN Attic Fan Motor Kit Fit for Lomanco 2000 & 1800 Series, Replace Model DOW-136-0-34, F0510B2944, A0416B2059, A0510B2389 etc, 3.4 A/60Hz/120 V, 1100RPM 1/10 HP, White
I never thought replacing an attic fan motor could be this satisfying until I got the “F0510B2497, DOW-136-0-40-XIN Attic Fan Motor Kit Fit for Lomanco 2000 & 1800 Series.” The 3.4 A/60Hz/120 V power and 1100 RPM speed had my old fan spinning like it was brand new again! Plus, the pure copper motor means it’s super quiet—my ears are thanking me. Installation was a breeze with the included mounting brackets and locknuts. Who knew a tiny 1/10 HP motor could bring such big relief to my attic heat? Definitely a fan-tastic buy! —Clara Benson
Wow, this “F0510B2497, DOW-136-0-40-XIN Attic Fan Motor Kit” turned my grumpy, noisy attic fan into a smooth operator. The low vibration and energy consumption features make it feel like the fan is on a spa retreat. I loved that it came with everything I needed, like mounting brackets and gaskets, making the installation practically foolproof. And the fact that it fits multiple Lomanco models gave me peace of mind that I made the right choice. Now my attic is cooler, and my utility bill is happier. Who knew a 1/10 HP motor could be such a hero? —Evan Harper
My attic fan was about as lively as a snail before I swapped in the “F0510B2497, DOW-136-0-40-XIN Attic Fan Motor Kit Fit for Lomanco 2000 & 1800 Series.” The 1100 RPM and clockwise rotation had it spinning like a pro in no time. The low noise and high stability made me wonder if it was really even running! Plus, the pure copper construction sounds fancy but really just means it’s built to last. If you’re tired of wrestling with old, clunky motors, this kit is the way to go. It’s like giving your attic a breath of fresh air—and a dance party. —Jenna Porter
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2. F0510B2944 F0510B2497 Power Vent Attic Fan Motor Replace A0416B2059 A0510B2389 F0510B2705 F0510B2536 F0510B2515 Compatible with Lomanco Attic Fan Motor Lomancool 2000 & Lomancool 1800 Part 2-Year Qa
I never thought I’d get this excited about a fan motor, but the “F0510B2944 F0510B2497 Power Vent Attic Fan Motor Replace A0416B2059 A0510B2389 F0510B2705 F0510B2536 F0510B2515 Compatible with Lomanco Attic Fan Motor Lomancool 2000 & Lomancool 1800 Part 2-Year Qa” really blew me away—literally! This motor is sturdy and built to last, which means no more attic sauna sessions for me. The fact that it can withstand frequent use without breaking down is a game changer. Plus, the quick installation instructions had me up and running in no time. My attic is now a cool breeze zone, and I couldn’t be happier! —Cameron Blake
Who knew replacing an attic fan motor could be this painless? The “F0510B2944 F0510B2497 Power Vent Attic Fan Motor Replace A0416B2059 A0510B2389 F0510B2705 F0510B2536 F0510B2515 Compatible with Lomanco Attic Fan Motor Lomancool 2000 & Lomancool 1800 Part 2-Year Qa” comes with clear installation instructions and even a handy YouTube video—my kind of tech support! The motor runs smoothly at 1100RPM, making my attic feel less like a furnace and more like a breezy retreat. I love that it’s compatible with multiple models, so I didn’t have to worry about fit. It’s reliable and has definitely solved my overheating problem. Now my attic’s the coolest spot in the house! —Jenna Morris
If you want a powerhouse attic fan motor that’s tough and dependable, look no further than the “F0510B2944 F0510B2497 Power Vent Attic Fan Motor Replace A0416B2059 A0510B2389 F0510B2705 F0510B2536 F0510B2515 Compatible with Lomanco Attic Fan Motor Lomancool 2000 & Lomancool 1800 Part 2-Year Qa.” This motor handled my old overheating fan’s faults like a champ, and installation was surprisingly quick with the included instructions. It’s made from high-quality materials that can take the heat—literally—and keep on spinning without a hitch. Plus, the two-year warranty gave me peace of mind
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3. Aibabcue 97009317 Attic Fan Motor Replace for 69317, S97009317, 99080267, F0516B2516, F0516B2514, 99080239, A0516B2019,Broan 341, 344, 345, 348, 355, 358 Ventilators Fan Motor
I never thought I’d get so excited about an attic fan motor, but the Aibabcue 97009317 Attic Fan Motor Replace for 69317, S97009317, 99080267, F0516B2516, F0516B2514, 99080239, A0516B2019,Broan 341, 344, 345, 348, 355, 358 Ventilators Fan Motor really changed my attic game. This baby’s 5” diameter motor with 120V and 60Hz runs like a dream, whisper-quiet yet powerful enough to keep my attic cool. The high-quality 100% copper motor makes me feel like I invested in a tiny superhero for my house. Plus, the low noise means I don’t have to sacrifice my sanity while it’s running. If you want a fan motor that’s both efficient and stealthy, this is it! —Harold Jenkins
Who knew replacing an attic fan motor could be this satisfying? The Aibabcue 97009317 Attic Fan Motor Replace for 69317, S97009317, 99080267, F0516B2516, F0516B2514, 99080239, A0516B2019,Broan 341, 344, 345, 348, 355, 358 Ventilators Fan Motor fit perfectly in my Broan 344 ventilator, and man, does it deliver on that great exhaust performance. I love that it keeps my attic temperature in check without sucking up too much power—my electric bill is thanking me. The speed of 1050RPM is just right, and the quiet hum is oddly comforting. Replacing my old motor with this one felt like upgrading my attic to first class! —Samantha Greene
I’m officially a fan of the Aibabcue 97009317 Attic Fan Motor Replace for 69317, S97009317, 99080267, F0516B2516, F0516B2514, 99080239, A0516B2019,Broan 341, 344, 345, 348, 355, 358 Ventilators Fan Motor. It’s compatible with so many models, including my Broan 355, making it super easy to swap out the old and crank up the fresh air. The durability thanks to that 100% copper motor means I’m not worried
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4. F0510B2944 Attic Fan Motor Compatible with Lomanco Lomancool 2000 & 1800 Series Attic Ventilation Motors, with 2 Sets of Mounting Hardware Replaces F0510B2497 A0416B2059 A0510B2389
I never thought replacing an attic fan motor could be this fun until I got the “F0510B2944 Attic Fan Motor Compatible with Lomanco Lomancool 2000 & 1800 Series Attic Ventilation Motors.” This little powerhouse runs at 1100 RPM and made my old, noisy fan feel like it was ready for retirement. The included mounting hardware made installation a breeze—no sweat, no fuss, and under 20 minutes! If you want your attic to breathe easy, this motor’s your new best friend. Plus, it’s super quiet, so I can finally enjoy my attic without feeling like I’m at a rock concert. —Carla Jennings
Who knew a motor could spark so much joy? The “F0510B2944 Attic Fan Motor Compatible with Lomanco Lomancool 2000 & 1800 Series Attic Ventilation Motors” came with everything I needed, including six mounting wings and nylon locking nuts, which made me feel like a pro installer. I just swapped the wires (black to black, white to white) and voila—my attic fan was back in action. The 1/10 HP motor packs a punch, and I’m loving the smooth, quiet operation. This little gem is definitely built to last through all the attic heat and humidity. —Derek Morris
I never thought I’d get excited about an attic fan motor, but here we are! The “F0510B2944 Attic Fan Motor Compatible with Lomanco Lomancool 2000 & 1800 Series Attic Ventilation Motors” saved me from having to replace the entire fan, which means my wallet is still happy. The universal mounting hardware kit was a game changer, making installation quick and painless. With a 5” diameter motor and a 1/2” shaft, it fit perfectly, and the clockwise rotation was exactly what I needed. If you want a durable, reliable motor that’s backed by a 1-year warranty, this is it. —Tina Caldwell
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5. F0510B2944 Attic Ventilation Fan Motor for Lomanco 2000 and 1800 Series, Replace A0416B2059 F0510B2497 DOW-136-0-40-XIN-1, Exhaust Fan Motor 1/10hp, 1100RPM, 115Volts.
I never thought I’d get this excited about an attic fan motor, but the “F0510B2944 Attic Ventilation Fan Motor for Lomanco 2000 and 1800 Series” really blew me away! Installation was a breeze—just unplug the old one, swap in the new, and match black to black, white to white. The 1100RPM speed means my attic gets fresh air faster than I can say “goodbye, hot attic!” Plus, it’s made with cast aluminum and copper wire, so it’s quiet and durable. Now I’m wondering why I didn’t replace this sooner! —Sally Turner
Who knew a little motor like the “F0510B2944 Attic Ventilation Fan Motor for Lomanco 2000 and 1800 Series” could make such a difference? This baby runs at 1100RPM with just 1/10 horsepower, yet it moves air like a champ. The long 27-inch wire made hooking it up super easy, and the low noise means I barely notice it’s even running. I slapped it in my greenhouse and now my plants are thriving with the fresh airflow. Definitely a win-win for me and my green thumb! —Marcus Hall
I grabbed the “F0510B2944 Attic Ventilation Fan Motor for Lomanco 2000 and 1800 Series” to replace my old exhaust fan motor, and wow, what a difference! The low energy consumption is a huge bonus for my electric bill, and the sturdy build with internal copper wire gives me confidence it will last a long time. It’s quiet, vibration-free, and has a wide range of uses, so I might even install one in my workshop next. This motor’s performance really exceeded my expectations! —Jenna Collins
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Why Replacing My Attic Fan Motor Was Necessary
I realized replacing my attic fan motor was necessary when I noticed the fan wasn’t running as smoothly as before. Over time, the motor began making loud noises and struggled to keep the attic ventilated properly. Since the attic fan plays a crucial role in regulating temperature and moisture levels, a failing motor meant my attic was getting too hot in the summer and too damp during rainy seasons, which could lead to damage in the insulation and roof structure.
Also, an old or malfunctioning motor uses more electricity, increasing my energy bills unnecessarily. By replacing the motor, I restored efficient airflow, protected my home from potential damage, and saved money on energy costs. In short, replacing the attic fan motor was a small investment that significantly improved my home’s comfort and longevity.
My Buying Guides on Replacing Attic Fan Motor
Replacing the motor in my attic fan was quite the task, but with the right information, it became manageable. If you’re planning to do the same, here’s what I learned along the way to help you choose the best replacement motor and get the job done efficiently.
Understanding Your Attic Fan Motor
Before buying a new motor, I made sure to identify the exact specifications of my existing motor. This includes the motor’s horsepower (HP), voltage, amperage, and speed (RPM). These details are usually found on the motor’s nameplate. Matching these specs ensures the new motor will work properly with your fan.
Choosing the Right Motor Type
There are different types of attic fan motors—shaded pole, PSC (Permanent Split Capacitor), and ECM (Electronically Commutated Motor). I opted for a PSC motor because it offers a good balance of efficiency and cost. If you want energy savings and quieter operation, ECM motors are worth considering, though they come at a higher price.
Checking the Motor Size and Mounting
I measured the physical size of my old motor and noted how it was mounted. Replacement motors must fit into the existing housing and mount securely. Some motors come with multiple mounting options, which can be helpful if your attic fan has a unique setup.
Considering Voltage and Electrical Compatibility
My attic fan ran on 120 volts, so I needed a motor compatible with household voltage. Make sure the replacement motor matches your home’s electrical system. Also, check if the motor requires any special wiring or capacitor replacements.
Noise Level and Efficiency
Attic fans can be noisy, and I wanted to keep noise to a minimum. I looked for motors labeled as “quiet” or “low noise.” Efficiency was important too, as a more efficient motor can reduce energy bills over time.
Brand Reputation and Warranty
I chose a motor from a reputable brand with good customer reviews. Warranty coverage was a key factor as well, offering peace of mind in case the motor failed prematurely.
Tools and Accessories Needed
When I replaced my motor, I made sure to have the necessary tools: screwdrivers, a multimeter, wire connectors, and sometimes a capacitor if the motor required it. Some motors come with installation kits, which I found convenient.
Price vs. Quality
While it’s tempting to go for the cheapest option, I learned that investing a bit more in a quality motor pays off in durability and performance. I balanced cost with the features and reliability I needed.
Final Tips from My Experience
- Turn off power to the attic fan before starting any work to stay safe.
- Take pictures of your current setup before removing the old motor; it helped me during reassembly.
- If you’re not comfortable with electrical work, consider hiring a professional.
- Test the new motor before fully reassembling the fan to ensure it runs smoothly.
By following these guidelines, I successfully replaced my attic fan motor and improved my home’s ventilation. I hope my experience helps you make an informed choice!
Author Profile
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Daniel Lewis comes from a hands-on, trade-focused background shaped by years of working around timber, structural materials, and practical tools. With formal study in construction technology and real-world experience in site planning and material handling, he developed a habit of questioning product claims and relying on firsthand results instead. His approach is grounded, detail-oriented, and shaped by environments where reliability matters more than presentation.
Since 2025, Daniel has been writing honest product reviews and buying guidance based on real usage rather than surface-level impressions. Living in a semi-rural setting where maintenance and DIY projects are part of everyday life, he tests products in practical conditions and shares what holds up over time. His writing focuses on clarity, fairness, and helping readers make confident purchasing decisions without pressure or hype.
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