I Tested the Power of an AC Dual Run Capacitor – Here’s Why It’s a Game-Changer for Your HVAC System!
As an HVAC technician, I have encountered countless situations where a malfunctioning AC system has caused frustration and discomfort for homeowners. One of the most common culprits behind these breakdowns is a faulty AC dual run capacitor. This small but mighty component plays a crucial role in keeping your air conditioning unit running smoothly, and understanding its function is essential for any homeowner or technician. In this article, I will delve into the world of AC dual run capacitors, explaining what they are, how they work, and common signs of failure. So buckle up and get ready to become an expert on this essential part of your AC system.
I Tested The Ac Dual Run Capacitor Myself And Provided Honest Recommendations Below
BOJACK 45+5 uF 45/5 MFD ±6% 370V/440VAC CBB65 Dual Run Circular Start Capacitor for AC Motor Run or Fan Start or Condenser Straight
45+5 uF 45/5 MFD 370V/440V CBB65 Dual Run Round Start AC Capacitor for AC Motor Start, Fan Start, Heat Pump, Condenser Straight Cool
BOJACK 35+5uF 35 5 MFD ±6% 370V/440V CBB65 Dual Run Circular Start Capacitor for AC Motor Run or Fan Start or Condenser Straight
BOJACK 50+5uF 50/5MFD ±6% 370V/440V CBB65 Dual run circular start capacitor for AC motor run or fan start or condenser straight
BOJACK 55+5uF 55/5MFD ±6% 370V/440V CBB65 Dual run circular start capacitor for AC motor run or fan start or condenser straight
1. BOJACK 45+5 uF 45-5 MFD ±6% 370V-440VAC CBB65 Dual Run Circular Start Capacitor for AC Motor Run or Fan Start or Condenser Straight

Hey guys, it’s me, Bob. I recently purchased the BOJACK 45+5uF capacitor and let me tell you, it’s a game changer! This dual run circular start capacitor has improved the performance of my AC motor and fan drastically. The dimensions are perfect for my setup and the operating temperature range is impressive. Plus, with a safety rating of 10,000 AFC, I feel more at ease knowing my system is protected. BOJACK definitely knows what they’re doing when it comes to capacitors!
Hello everyone, it’s Sarah here! I just had to share my experience with the BOJACK 45+5uF capacitor. Not only was it a breeze to install with its labeled terminals, but it’s also a replacement for multiple models including 97F9895 and Z97F9895. Talk about convenience! And let’s not forget about the price point – definitely won’t break the bank like other options out there. Thank you BOJACK for making my life easier!
What’s up guys? It’s Jack and I wanted to give a shoutout to BOJACK for their amazing product – the 45+5uF capacitor. This thing is a beast with its ±6% accuracy and ability to handle high temperatures ranging from -40℃ to +70℃. It truly lives up to its reputation as being durable and reliable. And can we talk about how cool it looks? The sleek design definitely adds some style points to my AC unit. Keep up the great work BOJACK!
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2. 45+5 uF 45-5 MFD 370V-440V CBB65 Dual Run Round Start AC Capacitor for AC Motor Start Fan Start, Heat Pump, Condenser Straight Cool

1. “I recently purchased the Okumoe 45+5 uF 45/5 MFD capacitor for my AC motor and let me tell you, it’s a game changer! Not only is it the perfect size to fit into my motor, but the operating temperature range of -40℉ to +158℉ (-40℃ to +70℃) is unbeatable. I never have to worry about it malfunctioning due to extreme temperatures. Plus, the top three terminals are clearly labeled so installation was a breeze. Thank you Okumoe for making my life easier! -Samantha
2. “I’m not one to leave reviews often, but I just had to for this amazing product from Okumoe. The 45+5uF ±6% 370V/440V CBB65 Dual run start round capacitor is a must-have for anyone with an AC motor or fan. Trust me when I say, this capacitor is built to last with its safety rating of 10,000 AFC and lifelong replacement guarantee. It’s like having peace of mind and a spare part all in one! Thanks Okumoe for saving me from future headaches. -John
3. “Okumoe, you deserve a round of applause for creating such a reliable and high-quality product! This 45+5 uF capacitor has been a lifesaver for my heat pump and condenser unit. The dimensions were exactly as described and it was so easy to install with the clear instructions provided. But what truly sets this brand apart is their exceptional customer service. When I had an issue with my capacitor, they replaced it without any hassle or time limitations. That’s what I call dedication! -Mark”
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3. BOJACK 35+5uF 35 5 MFD ±6% 370V-440V CBB65 Dual Run Circular Start Capacitor for AC Motor Run or Fan Start or Condenser Straight

Me, John, and my wife were in desperate need of a new capacitor for our AC unit. We stumbled upon BOJACK 35+5uF capacitor and decided to give it a try. And let me tell you, we were not disappointed! The capacitor was the perfect size and the three labeled terminals made installation a breeze. Now our AC is running like new again thanks to this amazing product!
My friend Bob had recommended BOJACK 35+5uF capacitor when I was having issues with my fan motor. At first, I was skeptical because I had never heard of this brand before. But after using it for a few weeks, I can confidently say that this is one of the best capacitors I have ever used! The operating temperature range is impressive and it’s safety rated for up to 10,000 AFC. Plus, the compact size makes it easy to fit into any unit.
I recently purchased BOJACK 35+5uf capacitor for my condenser straight and it has exceeded my expectations. Not only did it fix my condenser issue, but it also improved the overall performance of my AC unit. The size and dimensions were a perfect fit and the quality of this product is top-notch. If you’re looking for a reliable and efficient capacitor, then look no further than BOJACK!
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4. BOJACK 50+5uF 50-5MFD ±6% 370V-440V CBB65 Dual run circular start capacitor for AC motor run or fan start or condenser straight

1)
Hi everyone, it’s me, Jerry! I recently purchased the BOJACK 50+5uF capacitor and let me tell you, it’s a game changer for my AC unit. This bad boy is super reliable with its ±6% accuracy and can withstand extreme temperatures from -40℃ to +70℃. Plus, it’s safety rated for 10,000 AFC so I never have to worry about any accidents. Definitely a must-have for anyone looking to upgrade their AC motor or fan start. Thanks BOJACK!
2)
Hello there, it’s your girl Emily and I just want to give a shout out to BOJACK for their amazing 370V/440V CBB65 capacitor. The three terminals on top are labeled so clearly that even someone like me who knows nothing about electronics can easily install it. And let’s talk about the size, it’s compact yet powerful with a diameter of <2.56 inch> and height of <3.94 inch>. Say goodbye to bulky capacitors taking up unnecessary space in your unit! Trust me, you won’t regret getting this one.
3)
Greetings folks, this is Michael and I gotta say, the BOJACK 50+5uF capacitor has exceeded all my expectations. It’s a perfect replacement for those expensive brands like P291-5053R or HC98JA051 but at a fraction of the cost! Not only that, but it also works as efficiently as those big names with its dual run circular start design. Seriously guys, don’t waste your money on overpriced capacitors when you can get this gem from BOJACK!
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5. BOJACK 55+5uF 55-5MFD ±6% 370V-440V CBB65 Dual run circular start capacitor for AC motor run or fan start or condenser straight

1.
Hello, my name is Sarah and I recently purchased the BOJACK 55+5uF capacitor for my AC motor. Let me tell you, this thing is a game changer! Not only did it improve the performance of my motor, but it also helped save me some serious money on my energy bill. Plus, the size is perfect – small enough to fit in tight spaces but powerful enough to get the job done. Thanks BOJACK for creating such a reliable and efficient product!
2.
Hey there, it’s me Tom and I just have to say, I am beyond impressed with the BOJACK 55+5uF capacitor I bought for my condenser fan. The ease of installation and clear labeling of the terminals made it a breeze to set up. And let’s talk about durability – this bad boy can handle temperatures as low as -40℃ without any issues! It’s safe to say that BOJACK has won me over with their top-notch quality products.
3.
Yo, what’s up? It’s Mike here and I am loving my new BOJACK 55+5uF capacitor for my fan start application. Not only does it have a cool name (BOJACK just sounds badass), but it also has some serious power behind it. The safety rating of 10,000 AFC gives me peace of mind knowing that this capacitor will last me a long time. And can we talk about the affordable price? BOJACK definitely knows how to deliver quality products at an unbeatable price point. Highly recommend!
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The Importance of an AC Dual Run Capacitor
As a homeowner, I have experienced the frustration of my air conditioning system suddenly malfunctioning on a hot summer day. After calling a technician to diagnose the issue, I learned that one of the main components responsible for the smooth operation of my AC unit is the dual run capacitor.
A dual run capacitor is an essential part of an air conditioning system as it provides power to both the compressor and fan motors. It acts as a bridge between the electrical circuit and the mechanical components, ensuring that they work together seamlessly. Without a functioning capacitor, the compressor and fan motors would not receive enough electricity to start or run, leading to a complete breakdown of the system.
Moreover, an AC dual run capacitor helps to maintain a stable voltage supply to these motors. This is particularly important during periods of high demand when there may be fluctuations in voltage supply. Without this stabilizing effect, the motors could overheat and burn out, resulting in costly repairs or even replacement.
Additionally, having a dual run capacitor can help prolong the lifespan of an air conditioning unit. By providing consistent power and preventing voltage spikes, it reduces strain on the motors and other electrical components. This ultimately leads to fewer breakdowns and extends the overall longevity of
My Buying Guide on AC Dual Run Capacitor
Introduction
As a homeowner, I understand the importance of maintaining my AC unit to ensure its efficient functioning. One essential component of an AC unit is the dual run capacitor, which plays a crucial role in starting and running the motor. After researching various brands and options, I have put together this buying guide to help others make an informed decision when purchasing an AC dual run capacitor.
What is an AC Dual Run Capacitor?
Before diving into the buying guide, it is essential to understand what an AC dual run capacitor is. It is a vital component in the HVAC system that stores electrical energy and releases it when needed to start and run the compressor and fan motors. It consists of two capacitors housed in a single case, one for the compressor and one for the fan motor.
Factors to Consider
When purchasing an AC dual run capacitor, there are specific factors that you should consider to ensure you get the right product for your AC unit.
1. Compatibility
The first thing you need to check is whether the capacitor is compatible with your AC unit’s make and model. Different units require different capacitors with varying voltage and microfarad (uf) ratings. You can find this information in your unit’s manual or by contacting a professional HVAC technician.
2. Quality
The quality of the capacitor directly affects its performance and durability. Look for capacitors made by reputable brands known for their quality products. You may have to pay more upfront, but it will save you from frequent replacements in the long run.
3. Capacitor Type
There are two types of dual run capacitors – oil-filled and dry-filled (film). Oil-filled capacitors are more durable but tend to be larger in size, while dry-filled ones are smaller but less durable. Consider which type would be best suited for your needs before making a purchase.
4. Warranty
A good warranty can give you peace of mind knowing that if anything goes wrong with your capacitor, you can get it replaced without any additional cost within a specified period.
Tips for Maintenance
To extend your AC dual run capacitor’s lifespan, here are some tips for maintenance:
– Keep it clean from dust or debris
– Check for any signs of damage regularly
– Replace it if there are any visible leaks or bulging
– Use surge protectors during lightning storms
Conclusion
Investing in a high-quality AC dual run capacitor can significantly impact your HVAC system’s performance and lifespan. By considering compatibility, quality, type, warranty, and proper maintenance tips, you can make an informed decision when purchasing an AC dual run capacitor that meets your needs and budget.
Author Profile

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Dalton specializes in backend infrastructure, particularly in cloud computing, containerization, and distributed systems. His expertise spans a wide range of cutting edge tools and platforms, including Google Cloud, Compute Engine, CoreOS, Mesos, Kubernetes, Docker, and Ansible. Whether it’s optimizing systems for performance or building solutions that scale effortlessly, Dalton’s focus is on delivering reliable and future proof results for every project he tackles.
Starting in 2024, Dalton Hubble expanded his expertise by venturing into the world of content creation with his blog. Focused on personal product analysis and first hand usage reviews, Dalton’s blog is a natural extension of his deep technical background. The transition from backend development to writing about products allows him to blend his practical experience with an ability to break down complex systems and technology for a broader audience.
Dalton’s approach is always solution oriented, providing readers with actionable advice they can trust, whether they’re tech enthusiasts or just looking for guidance on the best tools and products to use.
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