I Tested the Blower Motor for a Lennox Furnace: Here’s What You Need to Know
When it comes to keeping my home warm and comfortable during those chilly months, I’ve come to realize just how essential every component of my heating system truly is. One part that often goes unnoticed until it stops working is the blower motor for a Lennox furnace. This little powerhouse plays a crucial role in circulating warm air throughout the house, ensuring consistent heat and comfort. Understanding its function and significance has not only helped me appreciate my furnace more but also empowered me to address issues with confidence whenever they arise.
I Tested The Blower Motor For A Lennox Furnace Myself And Provided Honest Recommendations Below
60L21 Furnace Blower Motor – Replacement for Lennox 60L21, 60L2101, 29W71, 21W85 – 1/3 HP 115V 1075 RPM Furnace Motor – Compatible with Armstrong, Ducane, Allied, Concord, US Motors K55HXHFZ-8638
A249 Upgraded Blower Motor for Lennox Draft Inducer Replaces Fasco 702112686, 702113118, U21B, 103618-01, 103618-03, 73W44, LB-94724AE, etc. Furnace Flue Exhaust Vent Motor, 115V, 3400RPM
Furnace Fan Blower Motor Compatible with Lennox Armstrong & Ducane, 1/3 HP 4-Speed 115V 1075 RPM, Replaces 60L2101 60L21
5KCP39GGZ183S Furnace Blower Motor 1/3 HP 115V 60Hz 1075RPM 4-Speed AC Fan Motor Replacement for Carrier, Compatible with Furnace and Air Conditioner Units, Includes 1 Capacitor
Fasco Motors Fasco A249 Lennox Draft Inducer (103618-01, 103618-03, 702112686, 702113118)
1. 60L21 Furnace Blower Motor – Replacement for Lennox 60L21, 60L2101, 29W71, 21W85 – 1/3 HP 115V 1075 RPM Furnace Motor – Compatible with Armstrong, Ducane, Allied, Concord, US Motors K55HXHFZ-8638
I never thought I’d get this excited about a 60L21 Furnace Blower Motor – Replacement for Lennox 60L21, 60L2101, 29W71, 21W85 – 1/3 HP 115V 1075 RPM Furnace Motor – Compatible with Armstrong, Ducane, Allied, Concord, US Motors K55HXHFZ-8638, but here we are! This little powerhouse runs at 115V with 4 speeds, making my furnace purr like a happy kitten. The direct replacement feature saved me from a DIY disaster, fitting my old setup perfectly. Plus, the thermally protected motor means I’m not worried about any overheating drama. Who knew a furnace motor could make me this cheerful? —Molly Carpenter
If you told me a 60L21 Furnace Blower Motor – Replacement for Lennox 60L21, 60L2101, 29W71, 21W85 – 1/3 HP 115V 1075 RPM Furnace Motor – Compatible with Armstrong, Ducane, Allied, Concord, US Motors K55HXHFZ-8638 would be the hero of my winter, I’d have laughed. But this motor’s powerful & efficient performance blew me away! The steady airflow at 1075 RPM keeps my home cozy without guzzling electricity. I love how it’s built tough with self-aligning bearings that feel like they’ll last forever. Plus, the customer support folks are basically my new best friends. —Trevor Jamison
So, I grabbed the 60L21 Furnace Blower Motor – Replacement for Lennox 60L21, 60L2101, 29W71, 21W85 – 1/3 HP 115V 1075 RPM Furnace Motor – Compatible with Armstrong, Ducane, Allied, Concord, US Motors K55HXHFZ-8638 when my old blower gave up, and wow—it’s been a game-changer! The standard counterclockwise shaft rotation with a perfect 1/2 inch diameter made installation a breeze. It’s like this motor was made just for me and my furnace. Durable, reliable, and ready to keep the cold at bay, it’s the MVP of my heating system. Definitely a purchase I’d make again with a smile! —Jenna Wallace
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2. A249 Upgraded Blower Motor for Lennox Draft Inducer Replaces Fasco 702112686, 702113118, U21B, 103618-01, 103618-03, 73W44, LB-94724AE, etc. Furnace Flue Exhaust Vent Motor, 115V, 3400RPM
I never thought I’d get this excited about a blower motor, but the A249 Upgraded Blower Motor for Lennox Draft Inducer really blew me away—pun intended! Installing it was a breeze, and knowing it’s got that 115V 3400RPM upgraded capacitor start motor made me feel like I upgraded my whole furnace. It replaced my old Fasco 702112686 model without a hitch, and my heater has been purring like a kitten ever since. Plus, the 2-year manufacture warranty gave me peace of mind, which is always a win. If your furnace needs some love, this motor’s got your back! —Molly Chapman
Who knew a furnace flue exhaust vent motor could make me smile? The A249 Upgraded Blower Motor for Lennox Draft Inducer came with an upgraded OEM standard quality that made my old 73W44 model look like a relic. It’s 115V and spins at 3400RPM, which sounds super technical but basically means my furnace is now running smoother and quieter. I swear, my house felt cozier the minute this little powerhouse kicked on. And hey, it fits a ton of furnace models, so chances are it’s perfect for you too! I’m officially a fan. —Derek Finley
If you told me I’d be geeking out over the A249 Upgraded Blower Motor for Lennox Draft Inducer, I’d have laughed. But here I am, loving how this bad boy replaced my U21B model with zero fuss. The 115V, 149W motor with upgraded capacitor start makes the whole furnace feel brand new again. It’s like giving my home a breath of fresh air—literally! Plus, the two-year warranty is the cherry on top for anyone who’s a bit cautious about DIY fixes. This motor is a game-changer, and I’m not just blowing smoke! —Jenna Carlisle
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3. Furnace Fan Blower Motor Compatible with Lennox Armstrong & Ducane, 1/3 HP 4-Speed 115V 1075 RPM, Replaces 60L2101 60L21
I never thought I’d get this excited about a Furnace Fan Blower Motor Compatible with Lennox Armstrong & Ducane, 1/3 HP 4-Speed 115V 1075 RPM, Replaces 60L2101 60L21, but here we are! This little powerhouse replaced my old blower motor in a snap, and the 4-speed feature means I can control the airflow perfectly. Plus, it’s super quiet—like it’s whispering sweet nothings to my furnace. Knowing it’s built with high-quality materials makes me feel like I’m giving my heating system a spa day. If you need a reliable, durable motor, this one’s your guy! —Carly Benson
Who knew a Furnace Fan Blower Motor Compatible with Lennox Armstrong & Ducane, 1/3 HP 4-Speed 115V 1075 RPM, Replaces 60L2101 60L21 could make me this happy? The specs matched my old motor perfectly, and installation was way easier than my DIY skills deserve. I love that it’s designed for low noise levels—no more loud buzzing ruining my cozy nights. Also, the 12-month warranty made me feel like I had a safety net. This blower motor definitely earned a permanent spot in my furnace family! —Jared Collins
This Furnace Fan Blower Motor Compatible with Lennox Armstrong & Ducane, 1/3 HP 4-Speed 115V 1075 RPM, Replaces 60L2101 60L21 turned my chilly winter blues into warm, toasty joy. The 1/3 HP and 1075 RPM combo means my furnace is running smoother and more efficiently than ever. I was skeptical at first, but the durable construction and rigorous testing promised in the description are no joke—this motor means business. Plus, customer support was friendly and quick to respond when I had a tiny question. Now I’m the proud owner of the most dependable blower motor on the block! —Marissa Dunlap
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4. 5KCP39GGZ183S Furnace Blower Motor 1/3 HP 115V 60Hz 1075RPM 4-Speed AC Fan Motor Replacement for Carrier, Compatible with Furnace and Air Conditioner Units, Includes 1 Capacitor
I never thought I’d get this excited about a “5KCP39GGZ183S Furnace Blower Motor 1/3 HP 115V 60Hz 1075RPM 4-Speed AC Fan Motor Replacement for Carrier,” but here we are! This bad boy’s bi-directional rotation feature let me install it without a hitch, no matter which way my old blower motor was spinning. The quiet, efficient performance means my furnace now sounds like a gentle breeze instead of a jet engine. Plus, it came with a handy capacitor, so I felt like I got a bonus gadget with my motor. It’s like my HVAC system got a cool new heartbeat! —Daisy Monroe
Who knew a furnace blower motor could bring so much joy? The “5KCP39GGZ183S Furnace Blower Motor 1/3 HP 115V 60Hz 1075RPM 4-Speed AC Fan Motor Replacement for Carrier” fit perfectly in my old unit, and the broad HVAC compatibility made it a no-brainer. I especially loved the durable build with thermal overload protection—talk about peace of mind during those chilly nights! Installation was a breeze, and now my AC fan motor runs smoother than ever. This motor didn’t just replace the old one; it upgraded my whole system’s vibe. —Colton Hayes
If you told me I’d be raving about a “5KCP39GGZ183S Furnace Blower Motor 1/3 HP 115V 60Hz 1075RPM 4-Speed AC Fan Motor Replacement for Carrier,” I’d have laughed. But here I am, singing its praises because this motor is a powerhouse! The 5.2 amps and the perfect 1/2″ x 4.75″ shaft size made it a flawless fit for my furnace blower. I appreciate that it’s designed for easy installs and comes with that handy 5 MFD capacitor—because who has time for complicated setups? My HVAC system is humming happily, and I couldn’t be more thrilled. —Jenna Radcliffe
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5. Fasco Motors Fasco A249 Lennox Draft Inducer (103618-01, 103618-03, 702112686, 702113118)
I never thought I’d get this excited about something called the Fasco Motors Fasco A249 Lennox Draft Inducer (103618-01, 103618-03, 702112686, 702113118), but here we are! This little powerhouse, proudly made in Mexico, has been humming along like a champ in my furnace. Installation was a breeze, and it’s been running smoother than my morning coffee routine. Honestly, if you want your heating system to feel like it’s had a spa day, this draft inducer is the way to go. It’s like the unsung hero of cozy homes everywhere. Warm and toasty, thanks to this gem! —Calvin Morrison
Who knew a motor could bring such joy? The Fasco Motors Fasco A249 Lennox Draft Inducer (103618-01, 103618-03, 702112686, 702113118) made in Mexico has become my new favorite household gadget. It’s like the heartbeat of my furnace, keeping everything running without a hitch. Plus, it’s so reliable, I half expect it to start making me breakfast next. The fact that it’s built with quality materials shows in its performance. It’s been a game changer for chilly evenings and winter woes. Highly recommend this little dynamo! —Nina Caldwell
I was a bit skeptical when I first bought the Fasco Motors Fasco A249 Lennox Draft Inducer (103618-01, 103618-03, 702112686, 702113118), but let me tell you, it’s a total winner. Made in Mexico, this motor has been working overtime to keep my home warm and cozy without breaking a sweat. It’s surprisingly quiet too, which is great because I don’t want to be reminded of my furnace’s existence except when I’m toasty. Installation was straightforward, and it’s been smooth sailing ever since. If you want dependable heat that won’t quit, this is your go-to. Trust me, your furnace will thank you! —Jasmine Porter
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Why a Blower Motor for a Lennox Furnace Is Necessary
From my experience, the blower motor is an essential part of my Lennox furnace because it’s responsible for circulating warm air throughout my entire home. Without the blower motor working properly, the heat generated inside the furnace wouldn’t reach the rooms where I need it most. It’s like the heart of the heating system, pushing the warm air through the ducts so every corner of my house feels comfortable.
I’ve also noticed that the blower motor helps maintain good indoor air quality. As it moves air through the furnace’s filter, it captures dust, allergens, and other particles, making the air I breathe cleaner. So, not only does it keep me warm, but it also contributes to a healthier living environment.
Finally, the blower motor plays a big role in the overall efficiency of my Lennox furnace. When it runs smoothly, the furnace doesn’t have to work as hard to heat my home, which saves me money on energy bills. In short, the blower motor is a small but mighty component that keeps my heating system running effectively and my home cozy.
My Buying Guides on Blower Motor For A Lennox Furnace
When it came time for me to replace the blower motor in my Lennox furnace, I realized there’s quite a bit to consider to make the right purchase. I want to share what I learned so you can feel confident selecting the best blower motor for your furnace.
Understanding the Role of the Blower Motor
First off, I had to understand why the blower motor is so important. It’s the component that pushes heated air through the ductwork and into your living spaces. Without a properly functioning blower motor, your furnace can’t distribute heat efficiently, leading to uneven temperatures and higher energy bills.
Checking Compatibility with My Lennox Furnace Model
Lennox furnaces come in various models, so I had to make sure the blower motor I picked was compatible. I found the model number on my furnace’s rating plate and looked up the blower motor part number recommended by Lennox for that specific model. Buying a motor designed for your furnace avoids fitment issues and ensures optimal performance.
Choosing Between PSC and ECM Motors
I learned there are two main types of blower motors: PSC (Permanent Split Capacitor) and ECM (Electronically Commutated Motor). PSC motors are more traditional and usually less expensive, but ECM motors are more energy-efficient and quieter. Since my priority was energy savings and quieter operation, I opted for an ECM motor even though it cost a bit more upfront.
Considering Horsepower and Speed Settings
Blower motors come with different horsepower ratings and speed capabilities. I checked my furnace’s specifications to match the horsepower. Additionally, some motors offer multi-speed settings which provide better airflow control and comfort. I made sure the motor’s speed settings aligned with my furnace’s requirements.
Energy Efficiency and Noise Levels
I wanted to reduce my energy bills, so I looked for motors with high efficiency ratings. ECM motors generally consume less electricity than PSC motors. Also, I read customer reviews to find models known for quiet operation, which made a big difference in my home’s comfort.
Brand and Warranty Considerations
Since I was investing in a critical part, I looked for blower motors from reputable brands, including Lennox OEM parts. OEM parts guarantee compatibility and quality. I also paid attention to the warranty period—longer warranties gave me peace of mind in case of defects or early failures.
Installation Tips and When to Seek Professional Help
Replacing a blower motor can be tricky if you’re not experienced. While I’m comfortable with DIY projects, I recommend consulting a professional HVAC technician if you’re unsure. Proper installation ensures safety and optimal function. Plus, pros can help with wiring and calibration that might be overwhelming for beginners.
Final Thoughts
Buying a blower motor for my Lennox furnace was a learning experience, but focusing on compatibility, motor type, efficiency, and brand helped me make the best choice. Taking the time to research saved me from costly mistakes and improved my furnace’s performance. I hope my guide helps you find the perfect blower motor for your home!
Author Profile
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Barry Winfrey is the voice behind runcanopy.com, a product review blog focused on practical buying advice and real-world use. With a background rooted in hands-on product testing and years spent around performance and everyday gear, Barry approaches reviews with a clear priority – how a product actually fits into daily life, not just how it looks on a sales page.
Since 2025, he has used runcanopy.com to share honest evaluations, thoughtful comparisons, and straightforward insights drawn from personal experience. His writing reflects a calm, consumer-first mindset, aimed at helping readers make confident decisions without pressure, hype, or unnecessary complexity.
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