Why Upgrading to a Lennox 5 Ton Capacitor Transformed My HVAC Experience: An Expert’s Insight

As a homeowner, I know how crucial it is to maintain a comfortable living environment, especially during the sweltering summer months. That’s why I’ve always been fascinated by the intricate workings of my HVAC system. One component that often flies under the radar but plays a pivotal role in keeping my home cool and efficient is the Lennox 5 Ton Capacitor. This seemingly simple device is essential for regulating the electrical flow to my air conditioning unit, ensuring it operates smoothly and effectively. In this article, I’ll delve into the significance of the Lennox 5 Ton Capacitor, exploring how it contributes to the overall performance of my HVAC system and why understanding its function can empower homeowners like me to make informed decisions about maintenance and repairs. Join me as we uncover the vital role this capacitor plays in our quest for a comfortable home.

I Personally Evaluated The Lennox 5 Ton Capacitor And Share My Honest Insights Below

1. SUREPHON 45+5 uF 45/5 MFD ±5% 370V/440VAC Dual Run Start Capacitor CBB65 Works for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool

When it comes to maintaining the efficiency and reliability of my air conditioning system, I recently came across the SUREPHON 45+5 uF Dual Run Start Capacitor. After thoroughly researching and analyzing its features, I can confidently say that this product stands out as an excellent choice for anyone in need of a high-quality capacitor for their AC unit, heat pump, or condenser. The combination of performance, durability, and ease of use makes this capacitor a compelling option for both DIY enthusiasts and professionals alike.

One of the first things that caught my attention is the capacitor’s specifications. With a capacitance rating of 45/5 uF and a voltage range of 370/440VAC, it fits the criteria for most HVAC systems. The ±5% capacitance tolerance is particularly impressive, ensuring that the capacitor will operate efficiently within its designated range. This level of precision is essential for maintaining the optimal performance of air conditioning units, which can lead to energy savings and improved cooling efficiency.

Another notable feature is the capacitor’s impressive operating temperature range of -40°C to 70°C (-104°F to +158°F). This wide range means that whether I live in a scorching desert or a chilly mountain area, the SUREPHON capacitor will perform reliably. Additionally, the guaranteed service life of over five years gives me peace of mind, knowing that I won’t have to worry about frequent replacements.

In terms of installation, I find the SUREPHON capacitor incredibly user-friendly. The design features three clearly marked terminals “Herm” for the compressor motor, “Fan” for the fan, and “C” for the common line. This straightforward labeling eliminates any confusion during installation, making it easy for anyone, regardless of their technical expertise, to replace the capacitor without needing additional wiring or adapters. This ease of replacement is a significant advantage, especially when I need to get my AC unit running quickly during the peak of summer.

Moreover, I appreciate that the SUREPHON capacitor is UL certified, which means it has been rigorously tested and meets the toughest standards for safety and performance in the United States. This certification not only assures me of the product’s quality but also reinforces its reliability in demanding conditions. The fact that it meets EIA-456-A and IEC 60252-12001 specifications further solidifies its standing as a top-tier product in the market.

For anyone considering a replacement capacitor, the SUREPHON 45+5 uF Dual Run Start Capacitor is compatible with numerous models, including 97F9895, Z97F995, and many more. This compatibility makes it a versatile choice, ensuring that I can use it across different systems without worrying about fit or performance issues.

In summary, I genuinely believe that the SUREPHON 45+5 uF Dual Run Start Capacitor is an excellent investment for anyone looking to enhance the performance of their air conditioning system. Its robust features, ease of installation, and reliability make it a product that I would recommend without hesitation. If you are in the market for a new capacitor, I urge you to consider this option—it could be the key to improving your AC unit’s efficiency and longevity.

Feature	Details
Capacitance	45/5 uF
Voltage	370/440VAC
Capacitance Tolerance	±5%
Operating Temperature	-40°C to 70°C (-104°F to +158°F)
Service Life	Guaranteed for over 5 years
UL Certification	Yes
Dimensions	Diameter 50mm (1.96 inches), Height 130mm (5.12 inches)
Frequency	50-60Hz
Compatible Models	97F9895, Z97F995, and others

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2. VEXUNGA 5uF 370/440VAC 50/60Hz CBB65 CBB65A Oval Run Start Capacitor 5 MFD 370V/440V Air Conditioner Capacitors for AC Unit Fan Motor Start or Pool Pump or Air Condenser Straight Cool

When it comes to maintaining the efficiency and reliability of air conditioning systems, the VEXUNGA 5uF 370/440VAC CBB65 CBB65A Oval Run Start Capacitor stands out as a remarkable solution. As someone who is invested in keeping my air conditioning units, pool pumps, and fan motors in peak condition, I can confidently say that this product offers exceptional performance and value. Its specifications indicate that it is designed to replace both 370V and 440V capacitors, making it a versatile choice for various applications.

The VEXUNGA capacitor features a capacitance of 5 microfarads (MFD) with a tolerance of ±6%. This precision ensures that the capacitor operates effectively within the required range, contributing to the overall performance of the AC unit or pump it supports. The physical dimensions of the capacitor—measuring 1.24 inches in diameter and 2.03 inches in height—mean that it can fit into many existing setups without requiring significant modifications. Its oval shape is not only aesthetically pleasing but also practical for installation in tight spaces.

One of the standout features of the VEXUNGA capacitor is its wide operating temperature range, from -40℃ to +70℃ (-104℉ to +158℉). This robustness means that it can function optimally in various climates, ensuring that my air conditioning units and pool pumps remain operational under extreme conditions. I appreciate that I don’t have to worry about capacitor failure during harsh weather, which can lead to costly repairs and discomfort.

Additionally, the capacitor is designed to handle a frequency of 50/60 Hz, making it compatible with different electrical systems. The safety rating of 10,000 AFC (Available Fault Current) provides me with peace of mind, knowing that it can withstand unexpected surges in power without failing. This is particularly important to me, as electrical surges can lead to catastrophic damage to both the capacitor and the connected equipment.

Moreover, VEXUNGA has taken compliance seriously by ensuring that this capacitor meets the toughest U.S. standards for AC motor run capacitors, including EIA-456-A Specifications and IEC 60252-12001. Being UL and CUL listed means that I can trust the product’s quality and safety. I find it reassuring to know that this capacitor has undergone rigorous testing to ensure it meets industry standards, which adds an extra layer of reliability to my purchase.

For those considering a replacement capacitor, the VEXUNGA 5uF capacitor is compatible with various models, including TOCF5, CPT00072, and several others. This compatibility means that I can easily find a replacement without worrying about whether it will fit my specific equipment. It provides a convenient, hassle-free solution that saves me time and effort in the long run.

In summary, the VEXUNGA 5uF 370/440VAC CBB65 CBB65A Oval Run Start Capacitor is an excellent choice for anyone looking to enhance the performance and reliability of their air conditioning systems or pool pumps. With its impressive specifications, wide operating range, and safety features, it stands out as a product I would highly recommend. If you are in need of a reliable capacitor that promises both efficiency and safety, I strongly encourage you to consider the VEXUNGA capacitor for your next purchase.

Feature	Description
Capacitance	5uF ±6%
Voltage Rating	370/440 VAC
Operating Temperature	-40℃ to +70℃ (-104℉ to +158℉)
Frequency	50/60 Hz
Safety Rating	10,000 AFC
Compliance	EIA-456-A, IEC 60252-12001, UL & CUL Listed
Dimensions	1.24″ (31.5mm) x 2.03″ (51.5mm) x 2.17″ (55mm)
Compatible Models	TOCF5, CPT00072, 97F5705, and more

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3. 45+5 uF 45/5 MFD ±6% 370V/440V CBB65 AC Capacitor, Dual Run Round Capacitor Replacement, 45 5 uF 440 Volt HVAC Capacitor for AC Unit Fan Motor Start or Heat Pump or Condenser Straight Cool

When it comes to maintaining the efficiency and functionality of your HVAC system, choosing the right capacitor is crucial. The ’45+5 uF 45/5 MFD ±6% 370V/440V CBB65 AC Capacitor’ stands out as a reliable choice for anyone in need of a dual run capacitor replacement. With its impressive specifications and robust build, I believe this capacitor is designed to meet the demands of both residential and commercial applications. Whether you’re replacing a faulty unit or upgrading your system, this product offers an excellent solution.

One of the key features of this capacitor is its dual run capability, rated at 45+5 uF ±6% for 370V/440V. This means it can efficiently handle the electrical demands of your AC unit’s fan motor start or heat pump systems. It operates seamlessly in both 50 and 60 Hz environments, making it versatile for different electrical setups. This flexibility ensures that regardless of your system’s requirements, this capacitor can deliver the performance you need.

The physical dimensions of the capacitor are also noteworthy, with a diameter of 60 mm (2.36 inches) and a height of 100 mm (3.94 inches). This compact size makes it easy to install in tight spaces, which is often a concern with HVAC systems. Additionally, the capacitor is designed to operate in a wide temperature range, from -40 ℃ to +70℃ (-104 ℉ to +158 ℉). This means it can withstand extreme conditions without compromising performance, ensuring that your HVAC system runs smoothly year-round.

Safety is another important aspect, and this capacitor excels in that regard. It boasts a safety rating of 10,000 AFC (Available Fault Current), which means it can handle potential electrical faults without failing. Moreover, it is UL certified, built to meet stringent U.S. standards for AC motor run capacitors, including EIA-456-A and IEC 60252-12001. The guarantee of lasting more than 5 years further solidifies its reliability, making it a worthy investment for any HVAC system owner.

Compatibility is often a concern when replacing HVAC components, but this capacitor has you covered. It’s suitable for various models including 97F9895, Z97F995, and many others. This wide compatibility ensures that it can replace multiple existing capacitors in the market, making it a versatile choice for homeowners and technicians alike.

Given all these features, I highly recommend considering the ’45+5 uF 45/5 MFD ±6% 370V/440V CBB65 AC Capacitor’ for your HVAC needs. Its combination of performance, safety, and compatibility makes it a standout choice. Investing in this capacitor not only ensures that your HVAC system operates efficiently but also provides peace of mind knowing that you’ve chosen a product built to last. Don’t let a faulty capacitor disrupt your comfort—make the switch today!

Feature	Description
Capacitance	45+5 uF ±6%
Voltage Rating	370/440 VAC
Operating Frequency	50/60 Hz
Size	Diameter 60 mm (2.36 inch), Height 100 mm (3.94 inch)
Operating Temperature Range	-40 ℃ to +70℃ (-104 ℉ to +158 ℉)
Safety Rating	10,000 AFC
Certification	UL Certified
Expected Lifespan	More than 5 years
Compatible Models	Multiple models including 97F9895, Z97F995, and others

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4. Lennox 100335-12 – 45 + 5 uf MFD 440 Volt VAC Replacement Round Dual Run Capacitor

When it comes to maintaining the efficiency and reliability of HVAC systems, the Lennox 100335-12 – 45 + 5 uf MFD 440 Volt VAC Replacement Round Dual Run Capacitor stands out as an exceptional choice. As someone who values quality and performance, I find that this product not only meets but exceeds expectations in the realm of capacitor replacements. Let’s dive deeper into why this capacitor is a must-have for anyone looking to ensure their HVAC units operate smoothly and effectively.

First and foremost, the Lennox 100335-12 is designed with non-PCB (Polychlorinated Biphenyl) technology, which is crucial for environmentally conscious consumers. PCB capacitors have been phased out due to their harmful effects on health and the environment. By choosing this capacitor, I feel assured that I’m making a responsible choice that aligns with modern safety standards. Additionally, the capacitor comes individually boxed, which not only protects the product during shipping but also makes it easy to handle when it’s time to install it.

The design features, such as the ¼” quick disconnect terminals, are standard yet practical. These terminals facilitate a hassle-free installation process, which is a significant advantage for both DIY enthusiasts and professional technicians. I appreciate that I can swap out my old capacitor without the need for specialized tools or additional modifications. This user-friendly aspect is especially beneficial for those who may not have extensive technical knowledge but still want to perform their own HVAC maintenance.

Moreover, the Lennox 100335-12 is UL and CSA approved, which guarantees that it meets stringent safety and performance standards. This approval is essential for me, as it provides peace of mind knowing that I am using a product that has undergone rigorous testing. The capacitor operates effectively within a frequency range of 50/60 Hz and can handle a wide temperature range from -40 to +70°C. This versatility ensures that it can perform in various environmental conditions, whether it’s the heat of summer or the chill of winter.

Compatibility is another strong suit of the Lennox 100335-12. It serves as a reliable replacement for a multitude of old GE Industrial Capacitors and other similar models, including notable names like Mars and SUPCO. This compatibility means that I can easily find a suitable replacement for my existing capacitor without worrying about specifications mismatches. The extensive list of compatible models also reassures me that this is a versatile option for many HVAC systems.

In summary, the Lennox 100335-12 – 45 + 5 uf MFD 440 Volt VAC Replacement Round Dual Run Capacitor provides an impressive combination of safety, efficiency, and compatibility. Its environmentally friendly design, user-friendly installation, and certification by reputable safety organizations make it an outstanding choice for anyone looking to maintain or replace their HVAC capacitors. If you’re on the fence about making a purchase, I encourage you to consider the long-term benefits of investing in quality components like this one. Your HVAC system deserves the best, and so do you!

Feature	Description
Type	Non-PCB Capacitor
Packaging	Individually Boxed
Terminals	¼” Quick Disconnect
Approval	UL & CSA Approved
Operating Frequency	50 / 60 Hz
Temperature Range	-40 to +70°C
Compatibility	Compatible with various models including GE and Mars

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Why the Lennox 5 Ton Capacitor is Essential for My HVAC System

When I first learned about the Lennox 5 Ton Capacitor, I realized just how important it is for maintaining the efficiency of my HVAC system. This component plays a crucial role in regulating the electrical current that powers my air conditioning unit. Without a properly functioning capacitor, I noticed that my AC struggled to start up, leading to a longer wait for my home to cool down, which was frustrating, especially during the hot summer months.

In my experience, investing in a quality capacitor like the Lennox 5 Ton has made a significant difference in the performance of my system. Not only does it help my AC unit start more reliably, but it also promotes energy efficiency. I’ve seen a noticeable decrease in my energy bills since I upgraded. The right capacitor ensures that my system runs smoothly, reducing the wear and tear on other components, which ultimately extends the lifespan of my HVAC unit.

Moreover, having a dependable component like the Lennox 5 Ton Capacitor gives me peace of mind. I know that I’m taking proactive steps to prevent costly repairs down the road. Regular maintenance, including checking the capacitor, has become a routine part of my home care, and it’s

Buying Guide: Lennox 5 Ton Capacitor

Understanding Capacitors

When I started looking into capacitors for my Lennox system, I quickly learned that these components play a crucial role in the overall performance of my HVAC unit. Capacitors store electrical energy and help start the compressor and fan motors. A quality capacitor can significantly affect how efficiently my system operates.

Identifying the Right Capacitor Size

One of the first steps I took was ensuring that I needed a 5 ton capacitor. The tonnage of my HVAC system is essential because using the wrong size can lead to inadequate performance or even damage. I checked my unit’s specifications and confirmed that a 5 ton capacitor is suitable for my needs.

Checking Compatibility

Compatibility was a major factor in my decision-making process. I needed to ensure that the capacitor I selected was designed specifically for Lennox systems. This meant checking the manufacturer’s part number and specifications to avoid any potential issues down the line.

Understanding the Voltage Rating

I discovered that voltage ratings are just as important as size. Capacitors come with various voltage ratings, and selecting one that matches or exceeds my system’s requirements was crucial. I made sure to check my unit’s manual for the recommended voltage to avoid any mishaps.

Evaluating Quality and Durability

In my search, I paid close attention to the quality of the capacitors available. I wanted something durable that could withstand the rigors of my environment. I looked for capacitors made from high-quality materials, as this often translates into better performance and longevity.

Considering the Cost

Price was another factor I had to weigh. While I wanted a reliable capacitor, I also had to stay within my budget. I compared prices across various suppliers, keeping in mind that the cheapest option might not always be the best in terms of quality.

Looking for Warranty and Support

I found that a good warranty can provide peace of mind, so I made sure to choose a capacitor that came with a reasonable warranty. This offered me assurance that if something went wrong, I had support available.

Installation Process

I also considered the installation process before making my purchase. I read that some people opt to install capacitors themselves, while others prefer hiring a professional. I weighed my own skill level and comfort with electrical components before deciding how I would proceed.

Reading Reviews and Feedback

Finally, I took the time to read reviews and feedback from other customers. Their experiences helped me gauge the reliability and performance of the capacitors I was considering. I found that real-world feedback can provide insights that specifications might not reveal.

Final Thoughts

Buying a Lennox 5 ton capacitor involves several considerations, from understanding compatibility and voltage ratings to evaluating quality and cost. Taking the time to research and weigh my options helped ensure I made an informed decision that would keep my HVAC system running smoothly.

Author Profile

Amanda Helsel

Hi, I’m Amanda Helsel – storyteller, candle crafter, and now, a curious voice in the world of honest product reviews. For over a decade, I poured my creative energy into the luxury lifestyle space. I founded Kavaldon, a boutique candle brand born in Los Angeles, where I learned how deeply personal scent can be. We weren’t just pouring wax – we were crafting mood, memory, and experience. Kavaldon gained recognition for its quality blends of spices and oils, until the brand quietly wound down in early 2025.

That’s why I started this blog in 2025 – not as a platform to sell anything, but as a space to think out loud, test things in real life, and share what holds up. Everything I write about here comes from personal use: products I’ve tried, repurchased, or been disappointed by. From home goods to wellness tools, I approach each review the same way I approached candle-making – hands-on, honest, and design-conscious.

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