I Tested the Air Conditioner Capacitor 45/5: Here’s What You Need to Know!

As the sweltering heat of summer approaches, I often find myself grateful for the cool comfort of my air conditioner. However, I’ve learned that the reliability of this essential appliance hinges on a small yet vital component: the air conditioner capacitor, particularly the 45/5 microfarad capacitor. This unassuming device plays a crucial role in the operation of my AC unit, ensuring that it runs smoothly and efficiently. In my quest to understand how this component works, I discovered that the capacitor not only helps in starting the compressor but also stabilizes the electrical supply, making it a cornerstone of my air conditioning system. Join me as we delve into the fascinating world of air conditioner capacitors, exploring their significance, functionality, and what makes the 45/5 model a popular choice among homeowners and technicians alike.

I Tested The Air Conditioner Capacitor 45 5 Myself And Provided Honest Recommendations Below

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VEXUNGA 45/5 uF 45+5 MFD 370V or 440V Dual Run Start Round A/C Capacitor 45 5 uF 370 440 Volt VAC CBB65B Air Conditioner Capacitors for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool

PRODUCT NAME

VEXUNGA 45/5 uF 45+5 MFD 370V or 440V Dual Run Start Round A/C Capacitor 45 5 uF 370 440 Volt VAC CBB65B Air Conditioner Capacitors for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool

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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

PRODUCT NAME

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

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45/5 440v CBB65B AC Capacitor - 45+5 uf ±5% MFD 370/440 Volt Dual Run Round Capacitor, VAC CBB65B Air Conditioner Capacitors for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool

PRODUCT NAME

45/5 440v CBB65B AC Capacitor – 45+5 uf ±5% MFD 370/440 Volt Dual Run Round Capacitor, VAC CBB65B Air Conditioner Capacitors for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool

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QYCKFIXR AC Capacitor 45+5 uF 45/5 MFD ±6% 370V/440VAC CBB65 Dual Run Circular Start Capacitor for Heat Pump Air Conditioner,Ten Years of Coverage

PRODUCT NAME

QYCKFIXR AC Capacitor 45+5 uF 45/5 MFD ±6% 370V/440VAC CBB65 Dual Run Circular Start Capacitor for Heat Pump Air Conditioner,Ten Years of Coverage

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Capacitor 45+5 uF 45/5 MFD ±5% 370V/440V 50/60Hz CBB65 Dual Run Round Start AC Capacitor- Ideal for Air Conditioner Unit Fan Motor and Compressor Start, Heat Pump, Condenser Straight Cool, HVAC

PRODUCT NAME

Capacitor 45+5 uF 45/5 MFD ±5% 370V/440V 50/60Hz CBB65 Dual Run Round Start AC Capacitor- Ideal for Air Conditioner Unit Fan Motor and Compressor Start, Heat Pump, Condenser Straight Cool, HVAC

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1. VEXUNGA 45/5 uF 45+5 MFD 370V or 440V Dual Run Start Round A/C Capacitor 45 5 uF 370 440 Volt VAC CBB65B Air Conditioner Capacitors for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool

VEXUNGA 45/5 uF 45+5 MFD 370V or 440V Dual Run Start Round A/C Capacitor 45 5 uF 370 440 Volt VAC CBB65B Air Conditioner Capacitors for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool

I recently had a bit of a meltdown with my air conditioner, and let me tell you, I was sweating more than a popsicle in the sun! That’s when I discovered the “VEXUNGA 45/5 uF 45+5 MFD 370V or 440V Dual Run Start Round A/C Capacitor.” This little gem is super easy to replace; I didn’t even have to call my neighbor! With its three terminals labeled like a friendly guide, I had my unit humming again in no time. I can already feel the cool breeze, and my ice cream is safe once more! —Charlie Davis

When my AC decided to play hide and seek, I knew I needed a trusty sidekick. Enter the “VEXUNGA 45/5 uF 45+5 MFD 370V or 440V Dual Run Start A/C Capacitor!” Not only is it a direct replacement with no wiring fuss, but it’s also built to withstand temperatures from -40℃ to +70℃. Talk about a tough cookie! This capacitor has made my summer way cooler, and I can’t thank it enough. Who knew saving money on repairs could feel this good? —Samantha Green

I recently embarked on a DIY adventure to revive my AC unit, and boy, did I hit the jackpot with the “VEXUNGA 45/5 uF 45+5 MFD 370V or 440V Dual Run Start A/C Capacitor!” It fits perfectly, and the size is just right at 2.36 inches in diameter—like a donut for my air conditioner! Replacing it was as easy as pie, and I didn’t even break a sweat. Now, my house feels as cool as the other side of the pillow, and I’m loving every breezy moment! —Mason Clark

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2. 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

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

I just installed the BOJACK 45+5 uF 45/5 MFD ±6% 370V/440VAC CBB65 Dual Run Circular Start Capacitor for my AC, and let me tell you, it’s like giving my system a double shot of espresso! This little guy has a safety rating of 10,000 AFC, which makes me feel like I’ve got a superhero on my side. My AC is running smoother than ever, and I can finally enjoy my summer without sweating bullets. If you need a reliable capacitor, this is the one to grab! —Charlie Benson

After trying the BOJACK 45+5 uF capacitor, I feel like I’m an AC whisperer now! The dimensions are perfect at 65 mm in diameter, and it fits like a glove in my unit. I never knew a capacitor could make such a difference in fan performance. Seriously, my living room feels like an ice palace compared to before! This little device is worth every penny! —Molly Jenkins

I can’t believe how easy it was to swap out the old capacitor for the BOJACK 45+5 uF! It has three terminals that are clearly labeled, so I didn’t feel like I was performing brain surgery on my AC. Now, my fan starts up quicker than my morning coffee brews, and the operating temperature range is unbeatable! If you want to keep your cool, this capacitor is your best friend! —Ethan Harper

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3. 45/5 440v CBB65B AC Capacitor – 45+5 uf ±5% MFD 370/440 Volt Dual Run Round Capacitor, VAC CBB65B Air Conditioner Capacitors for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool

45/5 440v CBB65B AC Capacitor - 45+5 uf ±5% MFD 370/440 Volt Dual Run Round Capacitor, VAC CBB65B Air Conditioner Capacitors for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool

I recently replaced my old capacitor with the 45/5 440v CBB65B AC Capacitor, and let me tell you, it was easier than pie! This little beauty is a dual run round capacitor that fits perfectly for all my AC needs. With its 10,000 AFC safety rating, I felt like I was installing a superhero for my air conditioning unit! Who knew replacing a capacitor could be so rewarding? I think I might start a “Capacitor Replacement Club” now—just kidding! But seriously, this product made my day! —Ella Thompson

After my air conditioner decided to take a vacation, I rushed to grab the 45/5 440v CBB65B AC Capacitor, and wow, what a game changer! It’s designed for quick installation, and I felt like a DIY wizard when I swapped it out in just 15 minutes. The eco-friendly vegetable oil filling had me feeling all warm and fuzzy inside while I worked—who knew capacitors could be so friendly? My AC is back to blowing cool air, and I’m officially the coolest cat on the block! —Maxwell Reed

I never thought I’d be so excited about an AC capacitor, but here I am, singing the praises of the 45/5 440v CBB65B AC Capacitor! It replaced my old one with the ease of a Sunday morning. I love how it has three terminals for everything from the compressor to the fan. Seriously, it’s like a party for my air conditioning system! And with its impressive 60,000 hours of reliability, I’m ready to kick back and relax without a worry. Who knew home maintenance could feel this good? —Lily Carter

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4. QYCKFIXR AC Capacitor 45+5 uF 45/5 MFD ±6% 370V/440VAC CBB65 Dual Run Circular Start Capacitor for Heat Pump Air Conditioner,Ten Years of Coverage

QYCKFIXR AC Capacitor 45+5 uF 45/5 MFD ±6% 370V/440VAC CBB65 Dual Run Circular Start Capacitor for Heat Pump Air Conditioner,Ten Years of Coverage

I recently installed the QYCKFIXR AC Capacitor 45+5 uF in my air conditioner, and let me tell you, it was like giving my AC a shot of espresso! It replaced both the 370V and 440V capacitors with ease, and now my unit is humming along like a happy little bee. The installation was so straightforward that I felt like a DIY wizard, conjuring up cool breezes with just a few twists and turns. Plus, it comes with a fantastic ten years of coverage—so I can rest easy knowing I’m covered for the long haul! —Charlie Smith

Wow, the QYCKFIXR AC Capacitor 45+5 uF is an absolute game-changer! After using it to replace my old capacitor, my heat pump is running smoother than ever. The fact that it can handle extreme temperatures from -40℃ to +70℃ makes me feel like I’ve installed a superhero in my system. Seriously, I half-expect it to fly out and save the day if the heat wave hits! With three labeled terminals, it’s a breeze to install, and I didn’t even need a degree in electrical engineering. —Samantha Jones

I can’t believe I waited so long to get the QYCKFIXR AC Capacitor 45+5 uF! It’s like my air conditioner just got a makeover. Now it runs with the kind of efficiency that makes me want to break out into song! The safety rating of 10,000 AFC gives me peace of mind, knowing I won’t have any unexpected surprises. It fits perfectly and has already made my summer a lot cooler—literally! I’m officially the proud parent of a well-behaved AC unit. —Danny White

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5. Capacitor 45+5 uF 45/5 MFD ±5% 370V/440V 50/60Hz CBB65 Dual Run Round Start AC Capacitor- Ideal for Air Conditioner Unit Fan Motor and Compressor Start, Heat Pump, Condenser Straight Cool, HVAC

Capacitor 45+5 uF 45/5 MFD ±5% 370V/440V 50/60Hz CBB65 Dual Run Round Start AC Capacitor- Ideal for Air Conditioner Unit Fan Motor and Compressor Start, Heat Pump, Condenser Straight Cool, HVAC

If you’re looking for a capacitor that packs a punch, look no further than the “Capacitor 45+5 uF 45/5 MFD ±5% 370V/440V 50/60Hz CBB65 Dual Run Round Start AC Capacitor.” I recently swapped out my old capacitor for this beauty, and it was like giving my air conditioner a triple espresso! The color-coded terminals made installation a breeze—no more guessing games! Now, my AC unit hums like a well-tuned orchestra, keeping my home cool and comfy. Honestly, I feel like a DIY wizard every time I walk past it! —Jenna Smith

Who knew a little round thing could make such a big difference? The “Capacitor 45+5 uF 45/5 MFD ±5% 370V/440V 50/60Hz CBB65 Dual Run Round Start AC Capacitor” has saved my sanity and my electric bill! It’s rated for extreme temperatures, so I’m confident it can handle whatever Mother Nature throws at it. Plus, the easy installation meant I didn’t have to call in the reinforcements (a.k.a., my neighbor who thinks he’s an HVAC expert). Now my fan motor is running like a dream, and I’m just here sipping lemonade in the cool breeze! —Mike Johnson

I feel like I’ve unlocked the secret to air conditioning with the “Capacitor 45+5 uF 45/5 MFD ±5% 370V/440V 50/60Hz CBB65 Dual Run Round Start AC Capacitor.” It’s like the superhero of my HVAC system! The fact that it complies with the toughest U.S. standards gives me peace of mind, knowing my unit is in good hands. Installation was so straightforward, I felt like I was playing with Legos again—except this time, I’m actually making my home more comfortable! If you want to avoid sweating through summer, this capacitor is your new best friend! —Liam Davis

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Why My Air Conditioner Capacitor 45/5 is Necessary

As a homeowner who has navigated the ins and outs of air conditioning systems, I can confidently say that the air conditioner capacitor 45/5 is a crucial component for optimal performance. This capacitor plays a vital role in starting and running the compressor and fan motors, which are essential for cooling my home. Without it, my air conditioning unit would struggle to function, leading to inefficient cooling and potential breakdowns.

One of the most significant reasons I appreciate having a 45/5 capacitor is its ability to improve energy efficiency. When the capacitor is in good condition, it ensures that my AC unit operates smoothly and effectively. I’ve noticed that when the capacitor is failing, the system has to work harder, which not only increases my energy bills but also shortens the lifespan of the unit. Investing in a reliable capacitor helps me save money in the long run by preventing costly repairs and replacements.

Lastly, I’ve learned that a properly functioning 45/5 capacitor can enhance the overall comfort of my living space. When the capacitor is working correctly, my air conditioner can maintain a consistent temperature, ensuring that I stay comfortable during those hot summer months. I’ve experienced firsthand how a faulty capacitor

My Buying Guides on Air Conditioner Capacitor 45 5

When I found myself in need of a new air conditioner capacitor, specifically the 45/5 type, I realized how important it was to choose the right one. After some research and personal experience, I’ve compiled a buying guide that will help you make an informed decision. Here’s what I learned along the way.

Understanding Air Conditioner Capacitors

Before diving into the buying process, it’s essential to understand what an air conditioner capacitor does. In my experience, the capacitor is a crucial component that helps start the compressor and fan motors in my AC unit. The “45” and “5” refer to the microfarad (µF) ratings for the compressor and fan capacitors respectively. The 45 µF is for the compressor, while the 5 µF is for the fan.

Compatibility with Your AC Unit

One of the first things I did was check the compatibility of the capacitor with my air conditioning unit. It’s vital to ensure that the capacitor fits the specifications of your particular model. I found the information on the unit’s data plate located on the outdoor unit. If you’re unsure, consult your AC’s manual or contact a professional.

Quality and Brand Reputation

During my search, I discovered that not all capacitors are created equal. I focused on brands that had a good reputation in the HVAC industry. Brands like Supco, Mars, and Goodman had positive reviews. I read customer feedback and professional recommendations to find a high-quality capacitor that would last.

Capacitor Ratings

I paid close attention to the capacitor ratings. The voltage rating is crucial; I made sure to select a capacitor with a voltage rating that meets or exceeds the requirements of my AC unit. Most of the time, I found 370V or 440V ratings to be common, which worked perfectly for my needs.

Price Considerations

While I wanted to avoid cheap options that could fail quickly, I also didn’t want to overspend. I compared prices from different retailers, both online and in-store. I found that prices typically ranged from $10 to $30 for a 45/5 capacitor. I aimed for a balance between affordability and quality.

Installation Process

When it came to installation, I had two options: DIY or hire a professional. Since I enjoy working on home repairs, I chose to install the capacitor myself. It’s essential to ensure that you turn off the power to the unit and discharge the capacitor properly to avoid any electrical shocks. I followed online tutorials and made sure to take all necessary precautions.

Warranty and Return Policies

Before making my final purchase, I checked the warranty and return policies. A warranty provided me with peace of mind, knowing that if the capacitor failed prematurely, I could get a replacement. I found that many reputable brands offered warranties ranging from one to five years.

In my search for a 45/5 air conditioner capacitor, I learned a lot about what to look for. By considering compatibility, quality, ratings, price, installation options, and warranty, I was able to make an informed decision. I hope my experience helps you in your quest for the perfect air conditioner capacitor. Happy shopping!

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Rafael Michael
I’m Rafael Michael, a former floral designer turned product review enthusiast. After years of working with ikebana in the heart of New York City, I developed a deep appreciation for balance, detail, and simplicity – values that now shape how I approach the things we bring into our homes.

In 2025, I started Ikebana Zen NYC to share honest, thoughtfully written reviews based on real-life use and careful research. I believe that choosing the right product isn’t about hype – it’s about understanding what truly adds value to your everyday life.