Where To Buy Air Conditioner Capacitor? Comprehensive Guide

When it comes to air conditioning, no matter what season it is, having a working and reliable machine is crucial. As a result, nothing could be worse than a malfunctioning air conditioning capacitor. Lowe’s, Ace Hardware, or the Internet are all places where you may buy an AC capacitor replacement.

Few things in your house are more treasured in the heat of the summer than your air conditioner. A blown air conditioner capacitor is one of the most typical problems you’ll encounter. It’s a simple fix, but you’ll still need to obtain the necessary ingredients to make it work. The problem is, where do you get an air conditioner capacitor?

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Even if buying an air conditioner capacitor isn’t easy, there are places to look. It is possible to get one from the following places:

• Renovating and Repairing Stores
• Retailers of HVAC Parts and Accessories
• The term “department store” is used in this context
• Online

Due to the fact that AC capacitors are often exclusively purchased by those in the HVAC industry, they are difficult to locate. However, if you don’t need one right away, you can still find one. To assist you get your hands on one as soon as possible, this guide is here.

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What Does a Capacitor Do?

The two metal plates that function as conductors in these devices are simple in design. The capacitance of a capacitor is determined by the distance between its plates, which is separated by a dielectric, a nonconductive material.

Capacities are expressed in microfarads (MFD) and are a measure of how much charge can be stored in each conductor. Size and spacing of conductors and dielectric material affect capacitance in a capacitor.

These devices store electrical charge and release it when the AC system’s compressor, fan, and condenser are powered by electricity through them.

Because of this, the same part wears out again and over again while the HVAC system cycles over and over again. The compressor, as well as the indoor and outdoor fan motors, all have their own capacitors, so an ordinary HVAC system has more than just a single start capacitor to deal with.

Where Can You Buy An Air Conditioner Capacitor?

It’s not going to be easy to get an air conditioner capacitor because it’s a part of a massive equipment and most people don’t conduct their own repairs these days.. There are places that sell these AC parts, but it isn’t difficult to find one. A look at the most typical locations to look for information

Home Improvement Stores

Home improvement stores aren’t necessarily Restoration Hardware when they’re mentioned. We’re referring to stores like Home Depot, Lowe’s, and Ace Hardware, to name just a couple. To no one’s surprise, this is because hardware stores are among the most dependable sources for all kinds of air conditioner accessories.

Most hardware stores have well-stocked HVAC departments with staff that has undergone extensive training, so this is a clear advantage. This means that you’ll be able to choose from a wider range of capacitors, and you’ll also be able to rely on experts to assist you find the perfect one for your particular model.

This is both cost-effective and convenient, as hardware store prices are generally rather low.

HVAC Supply Stores

Have no desire to visit Lowe’s? Do you use an air conditioner from a brand that isn’t often seen in hardware stores? You might be in luck if you reside in a densely populated location. Occasionally, you can locate supply stores that are solely devoted to the equipment that keeps your home cool.

In addition to a wide range of HVAC-related components, these specialized shops stock some of the more difficult-to-find capacitors for uncommon models. If you’re a professional in the HVAC industry, you can expect to discover reasonable costs and a wide range of information at these stores.

There is a huge problem here because most towns don’t have a speciality store. They are more commonly found in urban areas and industrial locations. There’s a good chance you won’t be able to use this option if you live in the middle of nowhere.

Department Stores

This is a tricky one, to be sure. Our definition of a “department store” doesn’t include retailers such as Macy’s or Walmart. Wal-Mart, if you order their products online, is an option.) For the time being, there is a department store that is well-known for stocking HVAC equipment and tools.

Sears is that retailer. That’s the Sears I’m talking about.

Sears has been in a downward spiral for the past five years or more. You may not be able to get your hands on this option for much longer because stores are closing at an alarming rate. As a result, Sears’ in-store inventory can be limited. But if you have a common air conditioner, this is a viable option. What do you think? If you can, look for a different retailer. If you can’t, then Sears is the place to go.

If you can’t find a capacitor for your air conditioner at Sears, your search is over. There are few Wal-Marts that actually sell AC parts. BJ’s Wholesale Clubs, Sam’s Clubs, and Target all fall into the same camp.

Online

The internet is the best resource for locating the correct capacitor for an AC machine. AC unit capacitors for your model are available from literally hundreds of manufacturers. This is a good option for those who want to save time and money by not having to go from store to store in search of capacitors.

For those on a tight budget, capacitors can be purchased online for a fraction of the cost at most brick-and-mortar businesses. Because there are so many sites selling capacitors, you have a better possibility of getting free shipping as well. Since that’s one of the advantages to a free market: greater competition for customers.

Having to wait a few days for your capacitor may be the only downside to this strategy. This could be a problem if you reside in a region where the heat is unbearable without air conditioning. It can be easier if you live in a state like New Jersey.

Types of HVAC Capacitors

Three different types of capacitors are used in HVAC systems, each in a different location.

Start Capacitor

A heat pump or other similar split system’s outside component serves as the basis for this particular sort of capacitor. As a result, their primary function is to give the compressor with additional power and speed up the cooling or heating cycle.

In addition to standard start capacitors, some HVAC systems can be outfitted with a high-torque Super Boost capacitor. It’s worth noting that industrial HVAC systems are more likely to use both types of start capacitors.

Dual Run Capacitor

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Dual run capacitors power compressor and fan motors and are commonly seen on outdoor cooling system components. Because of their different sizes and shapes, their compatibility with a given HVAC system is largely dependent on their dimensions and shapes.

It’s also possible to employ dual-run capacitors with systems that operate at either 37.5 V or 44.5 V, as most of them can operate at either voltage.

Single Run Capacitor

This type of capacitor is commonly used in furnace blower motors to offer extra starting power. A single-run capacitor, despite being a crucial part of heating systems, isn’t very long-lasting.

A condenser fan motor can receive additional power from a capacitor in a cooling system. To understand more about how these devices and heating systems work, consult our guide to furnace types.

Energy Storage Capacity

How much energy can a capacitor hold? Capacitance is a measure of this. It can range from 1.5MFD to 70MFD on single-run capacitors, depending on the capacitor type. The energy storage capacity of a start capacitor is much higher, ranging from 70MFD to 200MFD.

When it comes to dual run capacitors, there are two capacitance values: the greater one indicates how much power is going into your compressor motor, while the lower one informs you how much power is going to your fan motor.

Capacitors are incorporated into HVAC systems and if one or more goes down, you should make sure the aftermarket replacements have the same capacitance as their original counterparts.

The compressor and fan motors will have to work harder every time the HVAC system is started if the capacitor is too small.

A capacitor that is overly powerful for an HVAC system, on the other hand, will overload the motors of these components with electricity.

Why Do HVAC Capacitors Break Down?

An HVAC system’s capacitors are the system’s weakest link. Constant fluctuations in the system’s cooling or heating capacity can be traced back to a malfunctioning capacitor. Here are some of the most typical causes of these parts to malfunction.

• An HVAC system’s capacitors are subjected to an increasing amount of daily wear and tear. In spite of their two-decade lifespan, the HVAC system’s components tend to break down significantly more quickly if the system is put to heavy usage.
• The dielectric and conductors of capacitors are damaged by prolonged exposure to high temperatures. During very hot days, it’s best to cover the unit’s exterior component in order to keep the capacitor safe from overheating.
• The lifespan of the capacitor will be reduced if the voltage rating of the capacitor does not match the needs of the HVAC system. In addition, adding a capacitor that doesn’t meet the system’s voltage requirements is likely to harm the compressor and other components.

The humidity in your home may be easily controlled if you read through our guide to humidity control systems.

Replacing an Old HVAC Capacitor

If you’re not familiar with HVAC systems, finding out which system’s capacitors have failed might be difficult even if you only need a basic understanding of how they work.

Once an old capacitor has been removed, the new one must be installed, and it is imperative that the new capacitor does not have any residual charge; this is because the old one may still contain some electrical charge.

Another need is that the capacitor you wish to replace must have features that are exactly the same as the one you’re replacing. If you don’t want to risk damaging your entire HVAC system, it’s better just to contact a professional to replace your capacitor.

In addition, capacitors aren’t expensive, with most models costing between $10 and $80, so if you decide to employ a technician, you won’t pay more than $200 to fix the system. If you’re looking to repair an outdated HVAC capacitor on your own, check out our guide to the top HVAC gear available.

The Most Important Factors to Consider While Choosing a New HVAC Capacitor

If you know what type and model of capacitor your HVAC system uses, finding an aftermarket replacement is simple. Before you begin searching for a replacement capacitor, it’s important to read the unit’s instructions.

Finding a model that fulfills the system’s specifications isn’t going to be a problem because there are so many possibilities available. If you’re still undecided, there are many elements that can influence your decision.

As a first step, let’s take a closer look at the criteria we’ve used to narrow down the options for your HVAC system’s capacitor.

Shape and Size

Before you begin searching for a replacement for your HVAC system’s capacitor, you must first determine the exact shape and dimensions of the current capacitor. The length of a capacitor is normally between two and six inches, and it can be oval or spherical.

It is possible to utilize an oval or round type interchangeably with a larger capacitor, but only if the space is available.

Single or Dual Run Capacitors

Because a single-run capacitor cannot be replaced with a dual-run capacitor, determining the type of capacitor you require is critical.

As a result, you must first identify which HVAC system components will benefit from the capacitor’s added power and then choose a model that can distribute the same amount of power to those components.

In addition, a condenser is normally linked with a single-run capacitor, while the compressor and fan motors are typically supplied by a dual-run capacitor.

Voltage Rating

A capacitor with this rating can withstand a voltage of up to its rated capacity. Older capacitors can only produce 370VAC of power, but later types are compatible with 370V and 440V systems.

For an HVAC system that requires 370V to start, installing a 440V capacitor won’t have a significant impact. Even so, the voltage rating of the capacitor should be matched to the system’s needs.

The Part Manufacturer

The lifespan of a capacitor is directly related to the quality of the components that make up the device. Choosing a capacitor from a well-known and trusted brand, even though it costs more, is the best course of action.

Manufacturers like TemCo, MaxRun, and PowerWell produce capacitors with a lifespan of up to two decades.

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Additionally, if you currently own a furnace or heat pump from a company like Honeywell or Lennox and need a capacitor, it might be a smart idea to get one built by that company.

The advantages of HVAC capacitors

Simple Replacement Process

A new capacitor can be installed quickly and easily by a skilled do-it-yourselfer. In other words, if you have the correct tools, you can fix your HVAC system on the cheap.

Low Cost

Even the most costly capacitor versions may be obtained for less than $100, which makes these HVAC system components quite inexpensive.. A replacement capacitor for your heating or cooling system should not cost you more than $50 in most circumstances.

Long Lifespan

A heating and air conditioning system’s most vulnerable component, the capacitor, is nevertheless expected to last for years rather than months. Manufacturers have even claimed that their goods can endure for up to 20 years if they are used for 60.000 hours of runtime.

The Disadvantages Of HVAC Capacitors

Low Heat Tolerance

To avoid a capacitor failure, make sure your HVAC system’s exterior component is well-ventilated. If you reside in a hot climate where temperatures often exceed 90 degrees Fahrenheit, this may be challenging.

Top 5 HVAC Capacitors

TemCo RC0049 – The Best Fan Only Capacitor

TemCo RC0049 is a single-phase and three-phase motor replacement part that may be used with the majority of HVAC system fan motors. This part is suitable for both old and new heat pumps and furnaces, and it can supply 370V or 440V to the component it powers.

To store a considerable amount of energy, the capacitor’s capacitance must be limited to 7.5MFD. A 5-year warranty from the manufacturer ensures that if the part breaks down during that time, the manufacturer will replace it for free.

Pros

• Suitable for a wide range of fan motors.
• The capacitor is available in oval and round shapes.
• With a steel top, this case is built to withstand the rigors of daily use.
• Quadruple QST terminals are provided.

Cons

• a limited capacity for storing energy
• Suitable for some HVAC systems, but not all of them.

MaxRun MR-35 – The Best Dual Run Capacitor

The MaxRun MR-35 is one of the longest-lasting dual-run capacitors on the market, with a life expectancy of 60.000 hours. The compressor and fan motors in your HVAC system can benefit from more power from this component.

Using this capacitor, the compressor and fan motor both receive 35MFD and 5MFD, respectively. For further peace of mind, the HVAC system and capacitor are also protected by an anti-explosion switch.

Pros

• A five-year guarantee
• Combos power to the compressor and the fan motor at the same time
• Excellent features for ensuring safety
• The setup process is simple.

Cons

• The capacitor doesn’t come in an oval shape.
• Compatibility issues

PowerWell PW-70 – The Best Condenser Capacitor

The PowerWell PW-70 is a universal dual-run capacitor replacement. If the system requires 370V or 440V, this item can supply the compressor and fan motor with 70+7.5MFD of power, depending on the needs of the system.

This 5-inch-tall circular capacitor may not fit on some HVAC systems because of its 5-inch height. The oval-shaped capacitor is no longer available, so you’ll have to see if it works with your furnace or heat pump before buying.

Pros

• A replacement for a significant number of factory dual run capacitors is provided here.
• Constructed to last
• a large capacity for storing energy
• A five-year guarantee

Cons

• Bulky in stature
• Costlier than comparable models

Bojack BJ-CVP – The Best Commercial-Grade HVAC Capacitor

The Bojack BJ-CVP can be used to replace the capacitor powering your HVAC system’s compressor and fan motor if they cease operating. Depending on the system, the dual-run capacitor can run at 370V or 440V.

An energy storage capacity of 12.5MFD is available in Bojack’s model, and it can be utilized to replace a variety of original parts. From -104F to +158F, the capacitor’s operational temperature range is unaffected by heat exposure.

Pros

• Accommodates a wide variety of air conditioners and heat pumps.
• High and low temperatures might be used.
• AFC safety rating of 10.000
• Long-lasting and dependable

Cons

• There’s no word on a warranty.
• Storage capability for moderate amounts of energy

Genteq C3355R – The Most Affordable HVAC Capacitor

The Genteq C335 is one of the most cost-effective HVAC capacitors on the market, but it’s also one of the most durable. You can’t use this part with 440V HVAC systems because it only works with 370V systems.

The compressor can receive an additional 35MFD of power from the dual-run capacitor, while the fan motor receives an additional 5MFD of power. Because of its small size and light weight, the C3355R capacitor is easy to install on your HVAC system.

Pros

• Capacitance of high quality
• Very good thermal conductivity
• Low-cost
• The setup process is simple.

Cons

• Compatibility issues
• There are no safety measures in place.

How Much Does An AC Unit Capacitor Cost?

Despite the fact that tracking down this tiny component isn’t often simple, the truth is that finding it is the least of your concerns. The cost of an average AC unit capacitor ranges from $10 to $30. However, the cost of replacing your capacitor may be larger or smaller. The cost of an AC unit capacitor can be found in this article.

An Important Hack To Know About AC Capacitor Replacement

Trying to find a source to buy AC unit capacitors is becoming increasingly difficult. Cannot wait for the next day to come? That’s just fine with us. Get the capacitor replacement quickly with the help of an online service. There is always a significant quantity of capacitors on hand by HVAC technicians for clients in need of emergency repairs, such as yourself.

Even if it isn’t the most affordable option, buying a capacitor this way has many advantages. If you reside in a location where high temperatures are a concern, it’s a good idea to have an AC capacitor replaced by a professional. The part may possibly be available for purchase from an HVAC technician if you’re close with him or her.

Should You Buy More Than One AC Unit Capacitor?

Even while it’s feasible to purchase a single capacitor at a time, it’s never a good idea. In fact, a single capacitor replacement may not be sufficient to restore your air conditioner. It’s common for AC devices to require the replacement of both of their capacitors at the same time. Even though single-capacitor models do exist, the majority are low-powered choices.

Capacitors are frequently sold in sets of two, which is a convenient way to save money. Capacitors should always be replaced in pairs, therefore this is how they were designed to work. Purchasing a second set of dual capacitors now will save you time and aggravation in the future. After all, no one enjoys having to go out and buy new capacitors a few years down the road.

How Long Should Capacitors Last?

While having extras is usually a good idea (since there may be an underlying problem causing capacitor blowouts), you shouldn’t expect your capacitors to blow out. They typically last between 10 and 20 years, making them a pretty long-lasting portion of your heating and cooling system.

It’s possible that there are exceptions to the norm. You can expect a capacitor to endure no more than five years if it was poorly manufactured and/or abnormally small. Defective capacitors can degrade very immediately after being removed from the package in some instances. Having extras is a good idea in this situation.

Related Questions

What happens if an AC unit capacitor goes bad?

The capacitor prevents a short circuit by controlling the flow of electricity in the external device. This indicates that you’ll have a lot of issues with your AC unit’s general performance. Occasionally, you may find that your unit isn’t operating at full capacity, or that it doesn’t switch on.

The inability to turn on one’s air conditioner is common among those whose capacitors have failed. A few seconds after it is turned on, they can notice a stutter or a complete shutdown. An AC unit with a faulty capacitor will eventually fail as a system if left unattended.

Can I run my AC unit without a capacitor?

Nope. The vast majority of the motors in an AC unit are designed to operate only with the aid of a capacitor. As a result, even if you try to power on your device, it’s possible that nothing will happen. It won’t go off. You may be able to run your device for only a few minutes at a time before shutting it down.

When should you replace an air conditioner’s capacitor?

When a capacitor in an air conditioner begins to exhibit signs of failure, it should be changed immediately. The capacitor may also need to be replaced if you’ve had your air conditioner for more than 10 years. As long as an air conditioner is in use, it will eventually need a new capacitor. In order to avoid a last-minute dash to the shop, it is better to be aware of all of the warning signals and act before you need to.

Final Notes

Our post on “where to buy air conditioner capacitor?” has come to an end. Quality is the most important consideration when it comes to electronics. Is there anything else you’d like to know? Visit this page if you haven’t already! In any case, I appreciate your stopping by and reading this.

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