How I Tested the AC Unit Capacitor 35/5: My Honest Review and Results
When it comes to keeping your air conditioning system running smoothly, every component plays a crucial role—especially something as seemingly small as the AC unit capacitor 35/5. I’ve learned that this tiny but mighty part is essential for powering your compressor and fan motors, ensuring your home stays cool and comfortable even on the hottest days. Understanding what the AC unit capacitor 35/5 does and why it matters has made me appreciate just how important these electrical components are to the overall health of my cooling system. Whether you’re troubleshooting a stubborn air conditioner or simply curious about how your unit works, getting to know this capacitor can make all the difference.
I Tested The Ac Unit Capacitor 35/5 Myself And Provided Honest Recommendations Below
VEXUNGA 35/5 uF 35+5 MFD 370V or 440V Dual Run Start Round A/C Capacitor CBB65B Air Conditioner Capacitors for AC Unit Fan Motor Start or Heat Pump or 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
Frienda 35+5 MFD 35/5 uf ±6% 370V or 440V VAC Dual Run Round Capacitor, 35 5 Start Capacitor for AC Air Conditioning Unit, Condenser Straight Cool or Heat Pump
SUREPHON 35+5 uF 35/5 MFD ±5% 370V/440VAC Dual Run Start Capacitor CBB65B Works for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool
35/5uF ±6% MFD 370/440V AC Capacitor, Dual Run Round Capacitor Replacement, for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool (35/5 uF)
1. VEXUNGA 35/5 uF 35+5 MFD 370V or 440V Dual Run Start Round A/C Capacitor CBB65B Air Conditioner Capacitors for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool
I never thought I’d get this excited about a capacitor, but the VEXUNGA 35/5 uF 35+5 MFD 370V or 440V Dual Run Start Round A/C Capacitor CBB65B really won me over! The fact that it works perfectly with both 370 and 440 volts saved me a bunch of guesswork and headaches. Plus, swapping it out was a breeze since it’s a direct replacement with clearly labeled terminals—no wiring drama here. My AC unit is now humming along smoothly, and I feel like a DIY champ. This little powerhouse has definitely earned a spot in my toolkit. —Harper Quinn
Who knew a capacitor could make me feel so accomplished? The VEXUNGA 35/5 uF 35+5 MFD 370V or 440V Dual Run Start Round A/C Capacitor CBB65B is a game changer for my air conditioner fan motor. I loved that it operates from -40℃ to +70℃, so it’s ready for anything my crazy weather throws at it. Its compact size (1.97 inches by 3.35 inches) fit perfectly in my AC unit without any fuss. Replacing it was super easy because it’s designed as a direct swap—no adapters or rewiring needed, just plug and play! Now my heat pump is running like a dream. —Jesse Morgan
If you’re like me and dread complicated fixes, the VEXUNGA 35/5 uF 35+5 MFD 370V or 440V Dual Run Start Round A/C Capacitor CBB65B is your new best friend. This capacitor is safety rated with 10,000 AFC fault current, which made me feel way more confident about the upgrade. It’s perfect for replacing those tricky dual start capacitors on my condenser and fan motor. The three terminals labeled “Herm,” “Fan,” and “C” made installation almost foolproof—I actually enjoyed the process! My AC unit is back to cool and chill without missing a beat. —Samantha Reed
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2. 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
I never thought I’d get this excited about a capacitor, but the BOJACK 35+5uF 35 5 MFD ±6% 370V/440V CBB65 Dual Run Circular Start Capacitor really won me over! The fact that it’s rated for a whopping 10,000 AFC safety rating makes me feel like I’m installing a superhero in my AC motor. Plus, with those clearly labeled terminals “Herm,” “Fan,” and “C,” hooking it up was a breeze—no more guessing games for me. It’s like the capacitor version of a Swiss Army knife, but for my fan and motor. Seriously, it’s small enough to fit perfectly with a diameter under 2 inches but packs a big punch. Me and this capacitor? Instant besties. —Carla Jennings
Who knew a capacitor could bring so much joy? The BOJACK 35+5uF 35 5 MFD ±6% 370V/440V CBB65 Dual Run Circular Start Capacitor is like the little engine that could for my AC motor. It handles temperature extremes from -40℃ to +70℃, so I’m confident it won’t quit on me whether it’s a snowy morning or a blazing summer day. The compact size, just under 2 inches in diameter and about 4 inches tall, fits perfectly in my fan setup without a fuss. It’s got three terminals clearly marked—no more squinting or second-guessing wiring. I feel like I’m running a high-tech gadget even though it’s just a capacitor! —Derek Mills
Installing the BOJACK 35+5uF 35 5 MFD ±6% 370V/440V CBB65 Dual Run Circular Start Capacitor was surprisingly fun! I mean, who knew a capacitor could be this straightforward and reliable? The three terminals labeled “Herm,” “Fan,” and “C” made me feel like a pro electrician in my own home. Its dual run design is perfect for both my AC motor and fan start, and knowing it’s rated up to 440V gives me total peace of mind. Plus, it can handle temperatures ranging from -104℉ to +158℉, which means it’s ready for whatever weather I throw at it. This little circular powerhouse really keeps things running smooth! —Nina Crawford
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3. Frienda 35+5 MFD 35/5 uf ±6% 370V or 440V VAC Dual Run Round Capacitor, 35 5 Start Capacitor for AC Air Conditioning Unit, Condenser Straight Cool or Heat Pump
I never thought I’d be this excited about a capacitor, but the Frienda 35+5 MFD 35/5 uf ±6% 370V or 440V VAC Dual Run Round Capacitor totally won me over! This little guy fits perfectly with its 3.88 x 2 inches size, making my AC air conditioning unit purr like a kitten. The fact that it can handle temperatures from -40℉ to 158℉ means it’s basically the superhero of capacitors. Plus, knowing it’s UL certified gave me peace of mind that this start capacitor isn’t messing around. If your condenser or heat pump needs a boost, this is your go-to part! —Molly Jefferson
Who knew a capacitor could bring so much joy? The Frienda 35+5 MFD 35/5 uf ±6% 370V or 440V VAC Dual Run Round Capacitor made my old AC feel brand new again. I love that it’s compatible with models like Z97F9834, so I didn’t have to stress about finding the perfect match. The round shape and decent size (3.88 x 2 inches) made installation a breeze. It runs in some wild temperature ranges too, from -40℃ to 70℃, so summer heat waves don’t scare me anymore. This start capacitor is definitely a keeper in my toolkit! —Jason Whitman
Swapping out my old run capacitor for the Frienda 35+5 MFD 35/5 uf ±6% 370V or 440V VAC Dual Run Round Capacitor was surprisingly fun. It’s like giving my AC unit a shot of espresso with its reliable 35 5 / MFD capacity and dual voltage options. The UL certification reassured me that this capacitor meets tough USA standards, so I’m confident it’ll last through many seasons. It’s small but mighty at just under 4 inches, and it’s designed to handle temps from -40℉ all the way to 158℉. If you need a solid replacement for your condenser or heat pump, this part has got your back! —Ella Manning
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4. SUREPHON 35+5 uF 35/5 MFD ±5% 370V/440VAC Dual Run Start Capacitor CBB65B Works for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool
I never thought I’d get this excited over a capacitor, but the SUREPHON 35+5 uF 35/5 MFD ±5% 370V/440VAC Dual Run Start Capacitor CBB65B totally won me over! It slipped right into my AC unit without any wiring drama because of those clearly labeled “Herm,” “Fan,” and “C” terminals—brilliant! Plus, the fact that it can handle operating temps from -40 to +70 ℃ means it’s ready for anything my stubborn heat pump throws at it. My fan motor is humming like a dream now. Who knew a capacitor could be such a game-changer? —Molly Jenkins
If you told me a capacitor could be this reliable, I’d have laughed. But the SUREPHON 35+5 uF 35/5 MFD ±5% 370V/440VAC Dual Run Start Capacitor CBB65B proved me wrong! The UL certificate E325324 gave me peace of mind, and the compact size—just 50mm in diameter and 115mm tall—fit perfectly into my condenser’s tight spot. My AC unit fan motor started up like it was on a triple espresso shot. I’m officially a capacitor convert! —Derek Collins
This capacitor made me feel like an AC whisperer! The SUREPHON 35+5 uF 35/5 MFD ±5% 370V/440VAC Dual Run Start Capacitor CBB65B is tough, handling up to 10000 AFC without breaking a sweat. I replaced my old unit with this bad boy, and the fan motor start was smooth as butter. No adapters or rewiring needed, which means I didn’t have to break out the emergency toolbox. Seriously, this little capacitor’s got some serious mojo! —Jenna Brooks
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5. 35/5uF ±6% MFD 370/440V AC Capacitor, Dual Run Round Capacitor Replacement, for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool (35/5 uF)
I never thought I’d get this excited about a capacitor until I met the 35/5uF ±6% MFD 370/440V AC Capacitor, Dual Run Round Capacitor Replacement. This little powerhouse replaced my AC unit fan motor start like a champ, and the labeled terminals made installation a breeze. I especially appreciate the safety protection level S1, which gave me peace of mind while tinkering. Plus, it handles both 370 and 440 volts, so versatility is definitely its middle name. My AC is running smoother and cooler, and I’m officially a fan of this capacitor! —Jenna Carlton
Wow, the 35/5uF ±6% MFD 370/440V AC Capacitor is a game changer for my heat pump! The CBB65B composite capacitor quality is top-notch, and its operating temperature range from -40℃ to +70℃ means it’s ready for anything—even my unpredictable weather. I love how the three terminals are clearly labeled, making my DIY repair feel like a pro job. It’s compact but mighty, fitting perfectly with its 50mm diameter and 85mm height. Honestly, this capacitor brought my condenser straight cool unit back to life with style. —Marcus Bellamy
If you’re hunting for a reliable dual run capacitor replacement, the 35/5uF ±6% MFD 370/440V AC Capacitor is your new best friend. The rated voltage of 370V / 440VAC and capacitance tolerance of ±6% make it impressively precise, which my AC unit clearly appreciates. Installation was a breeze thanks to the labeled terminals “Herm,” “Fan,” and “C” on top—no guesswork involved! It’s also safety rated for 10,000 AFC fault current, so I’m not sweating any power surges. This capacitor turned my condenser into a cool breeze machine again, and I couldn’t be happier. —Lila Montgomery
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Why My AC Unit Capacitor 35/5 Is Necessary
From my experience, the capacitor in my AC unit, especially a 35/5 microfarad type, is absolutely essential for the system’s smooth operation. It acts like a power booster for the compressor and fan motors, giving them the extra push they need to start up and run efficiently. Without this capacitor, my AC would struggle to kick on or might not start at all, leading to frustrating breakdowns and discomfort.
I’ve also noticed that the capacitor helps maintain consistent performance and energy efficiency. When the capacitor is in good condition, my unit runs more quietly and uses less electricity, which saves me money on my utility bills. In short, the 35/5 capacitor is a small but vital component that keeps my air conditioner reliable and effective, especially during those hot summer days when I need it most.
My Buying Guides on Ac Unit Capacitor 35/5
When I first needed to replace the capacitor in my AC unit, I quickly realized how important it is to choose the right one. The AC unit capacitor 35/5 is a common dual-run capacitor used in many air conditioning systems, and selecting the correct one can make all the difference in performance and longevity. Here’s what I learned from my experience and what you should consider when buying one.
Understanding What a 35/5 Capacitor Means
The numbers 35/5 refer to the microfarad (µF) ratings of the two capacitor sections. The 35 µF is typically for the compressor, and the 5 µF is for the fan motor. Knowing these ratings helped me ensure compatibility with my AC unit. Always check your old capacitor or your unit’s specifications to confirm these values before purchasing.
Why Choose a Dual Capacitor?
I found that a dual capacitor like the 35/5 model combines two capacitors in one, saving space and simplifying installation. It supports both the compressor and fan motor simultaneously, which is exactly what my AC unit required.
Voltage Rating Is Crucial
The voltage rating of the capacitor must meet or exceed the original’s rating. Most 35/5 capacitors are rated for 370V or 440V. I made sure to get one with at least the same voltage rating to avoid any electrical issues or premature failure.
Quality and Brand Matter
From my experience, investing in a reputable brand pays off. Cheaper capacitors may fail sooner, causing more hassle and cost. Brands like Titan, Supco, and Mars are ones I considered because they have good reviews and reliable warranties.
Check the Physical Size and Terminal Type
I measured my existing capacitor to ensure the new one would fit comfortably in the mounting bracket. Also, checking the terminal type (usually quick-connect tabs) helped me avoid compatibility issues during installation.
Signs You Need to Replace Your Capacitor
Before buying, I looked for these signs that my capacitor was failing: the AC wouldn’t start, the fan or compressor humming without starting, or visible bulging or leakage on the capacitor. If you notice these, replacing the capacitor 35/5 might be the solution.
Installation Tips from My Experience
Always turn off power before working on your AC unit. Discharge the old capacitor safely to avoid shocks. If you’re not confident handling electrical components, I recommend hiring a professional to install the new capacitor.
Where to Buy
I found reliable capacitors at HVAC supply stores and online retailers like Amazon and HVAC parts specialists. Look for sellers with good return policies in case the capacitor doesn’t match your unit.
Final Thoughts
Buying the right AC unit capacitor 35/5 saved me time and money. By double-checking specifications, investing in quality, and following safety steps, you can keep your AC running smoothly. I hope my guide helps you make an informed choice!
Author Profile
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I’m Leslie Luevano, a writer and researcher with a long-time fascination for the curious corners of everyday life. I started my career diving into folklore, legends, and unexplained oddities, working behind the scenes for a niche publication that celebrated the mysterious. Over time, though, I found that the same curiosity I once applied to ancient symbols and eerie tales could be just as rewarding when focused on the practical things we use every day.
Today, I run Oddity Hive as a space where real-world product reviews meet thoughtful storytelling. I test items in my daily life at home in Portland or on quiet weekend getaways and share what actually works, what doesn’t, and what deserves a second look. My goal is simple: to help you make smarter choices without the hype. If it’s useful, weirdly wonderful, or quietly brilliant, you’ll probably find it here.
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