Outside AC Unit Repair: A DIY Troubleshooting Guide

Your air conditioner rarely fails without giving you a few hints first. A strange new rattle, air that isn’t quite cold, or a sudden spike in your energy bill are all clues that something is wrong. Learning to interpret these signals is the first step toward a solution. Think of yourself as a detective for your home’s comfort system. This article will teach you how to read the signs, diagnose the most common culprits, and determine your next move. Understanding what’s happening inside your system makes any outside ac unit repair less intimidating and helps you communicate effectively if you do need to call a professional.

Key Takeaways

Troubleshoot the simple stuff first: Before calling for help, always check your thermostat settings, inspect the circuit breaker, and replace a dirty air filter. These basic steps can often resolve the issue without needing a professional service call.
Prioritize preventative maintenance: You can prevent most breakdowns with simple, regular care. Changing your air filter, cleaning the outdoor coils with a hose, and keeping the unit clear of debris will improve efficiency and extend the life of your system.
Leave dangerous repairs to the pros: For your safety, always call a certified technician for issues involving refrigerant, complex electrical faults, or capacitor replacement. Attempting these repairs yourself can lead to serious injury and more expensive damage to your unit.

Is Your Outdoor AC Unit Failing? Key Warning Signs

Your air conditioner is one of the hardest-working appliances in your home, especially here in Florida. When it starts to fail, it rarely happens silently. Your AC unit will almost always give you warning signs that something is wrong. Paying attention to these clues can be the difference between a simple fix and a complete system replacement. If you notice your unit acting up, don't ignore it. Catching these problems early gives you the best chance to address them before they turn into a hot, humid, and expensive emergency. Learning to spot these key indicators will help you know when to take action and when to call for help.

Strange Noises

An air conditioner should operate with a consistent, low hum. When new sounds pop up, it’s time to listen closely. Different noises point to different problems. A loud banging sound often means a part inside the compressor has come loose or broken. If you hear buzzing, it could signal an electrical issue, like failing components or loose wiring. A high-pitched screeching or squealing usually points to problems with the fan motor or a worn-out belt. Finally, a persistent clicking sound when the unit tries to start or shut off can indicate a problem with its electrical controls. These sounds are your AC's way of telling you it needs attention before a small issue becomes a major failure.

Weak or Warm Airflow

There’s nothing more frustrating than your AC running full blast but only producing weak or lukewarm air. If the air coming from your vents isn't cold, it’s a clear sign that your system isn't working correctly. This problem can stem from several issues. It might be something as simple as a dirty air filter that’s blocking airflow and needs to be replaced. It could also be a more serious problem, like low refrigerant levels, which often points to a leak somewhere in the system. A malfunctioning compressor, the heart of your AC unit, can also fail to cool the air properly. Before you assume the worst, double-check that your thermostat is set to "cool" and not just "fan."

The Unit Won't Power On

If your outdoor AC unit won't turn on at all, the cause is often electrical. Before you panic, there are a few simple things you can check. The most common reason for a complete shutdown is a tripped circuit breaker. Head to your home's electrical panel and see if the breaker connected to your AC unit has been tripped. If it has, you can try resetting it once. If it trips again, there's a deeper issue that needs a professional. Another possibility is a blown fuse. Many outdoor units also have a disconnect box nearby with its own switch or fuses. Sometimes, these can get shut off or blow, cutting power to the unit.

Spiking Energy Bills

Your monthly utility bill can be a surprisingly useful diagnostic tool. If you notice your electricity costs have suddenly shot up without a change in your usage habits, your AC unit could be the culprit. When an air conditioner is struggling to cool your home due to a mechanical issue or dirty components, it has to run longer and work harder to do its job. This inefficiency translates directly into higher energy consumption. Issues like dirty condenser coils, low refrigerant, or a failing motor can all force the system to use more power. Addressing these underlying problems won't just restore your comfort; it can also bring your energy bills back down to a normal level.

Ice on the Unit

Seeing ice or frost on your AC unit might seem backward, but it’s a classic sign of a problem. Ice typically forms on the evaporator coils when the system is low on refrigerant. Just like a water pipe, your AC's refrigerant lines can develop leaks over time. When refrigerant levels drop, the pressure inside the system changes, causing the coils to get too cold and freeze the surrounding moisture. This ice buildup blocks airflow, making the system even less effective and forcing it to run constantly without cooling your home. If you see ice, it's a clear signal that you likely have a refrigerant leak that needs to be found and fixed by a professional.

Why Do Outdoor AC Units Fail?

When your AC gives out on a sweltering Florida day, it feels like a crisis. But understanding why it failed is the first step toward getting cool air flowing again. Most outdoor unit failures trace back to a handful of common culprits, ranging from simple electrical issues to mechanical wear and tear. Some problems are a quick fix you can handle yourself, while others are a clear sign to call in a professional. Knowing what to look for can save you time, money, and a lot of sweat. Let's walk through the most frequent reasons your outdoor AC unit might stop working so you can figure out your next move.

Tripped Breakers or Blown Fuses

Often, the simplest explanation is the right one. A power surge or an overworked system can cause a circuit breaker to trip, cutting power to your outdoor unit as a safety measure. Before you panic, head to your home’s electrical panel. Look for a breaker switch that is in the "off" position or stuck in the middle. To reset it, flip the switch completely off and then back on. In older homes, you might have a fuse box instead, which would require checking for and replacing a blown fuse. If the breaker trips again right away, there’s a deeper electrical issue that needs a professional’s attention.

Bad Capacitors or Contactors

Your AC unit relies on a part called a capacitor to give the fan motor and compressor the jolt of energy they need to start up. The contactor is the switch that allows electricity to flow to these components. Due to constant use and exposure to heat, these parts can wear out or fail. A telltale sign of a bad capacitor is a humming or buzzing sound coming from the unit, even though the fan isn't spinning. While replacing these parts is a common repair, it involves high voltage and should only be handled by a trained technician to avoid serious injury.

Low Refrigerant

If your AC is blowing warm air or you see ice forming on the copper lines, you might be low on refrigerant. It's important to know that refrigerant isn't consumed like gas in a car; if it's low, it means there's a leak somewhere in the system. A refrigerant leak forces your AC to work much harder, driving up energy bills and potentially causing severe compressor damage. Topping off the refrigerant without fixing the leak is only a temporary fix. This is a job for a licensed professional, as they have the tools to find and repair the leak safely.

Dirty Condenser Coils

The large, finned coils that wrap around your outdoor unit are called condenser coils. Their job is to release the heat that has been removed from your home. Over time, these coils can get caked with dirt, grass clippings, dust, and other debris. When the coils are dirty, your AC can't get rid of heat efficiently, forcing it to run longer and harder to cool your home. You can gently clean the coils yourself by spraying them with a garden hose from the top down. Just be sure to turn off the power to the unit first.

Clogged Condensate Lines

Your air conditioner doesn't just cool the air; it also removes humidity. This moisture is collected and funneled away through a PVC pipe called a condensate drain line. In Florida's humid climate, it's easy for algae and sludge to build up and create a clog. When this happens, water backs up, and a safety switch will often shut down your entire system to prevent water damage. You might notice water pooling around your indoor unit. While some minor clogs can be cleared, persistent or hard-to-reach blockages are best left to professionals who handle clogged drains.

Essential Tools for DIY AC Repair

Before you roll up your sleeves and start working on your AC unit, it’s important to gather the right tools. Having the proper equipment not only makes the job easier but also keeps you safe. You don’t need an entire truck’s worth of gear, but a few key items will help you diagnose and fix the most common issues. Think of it as building a small, specialized toolkit for one of the most important appliances in your home. With these tools on hand, you’ll be prepared to handle basic maintenance and simple repairs, saving you time and a potential service call fee.

Multimeter and Voltage Tester

If you suspect an electrical problem, a multimeter is your best friend. This device is essential for checking if electrical parts are working correctly by measuring voltage, current, and resistance. It helps you test components like capacitors and contactors to see if they’ve failed. Alongside a multimeter, a non-contact voltage tester is a must-have for safety. Before you touch any wires, you can use this simple tool to quickly verify if power is present. It’s a small step that makes a huge difference in preventing electrical shocks and gives you peace of mind while you work.

Basic Hand Tools

You likely already have most of the basic hand tools needed for simple AC repairs. A good set of screwdrivers, including both Phillips and flat-head types, is necessary for removing access panels and covers. You’ll also want a pair of pliers and an adjustable wrench for loosening or tightening nuts, bolts, and wire connections. These everyday tools will allow you to access and handle most of the components inside your unit. Keeping a basic home toolkit ready means you won’t have to scramble for the right instrument when you need it most.

Garden Hose and Coil Cleaner

One of the most effective DIY maintenance tasks is cleaning the outdoor condenser unit, and for that, you don’t need much. A simple garden hose with a spray nozzle is perfect for rinsing away dirt, grass clippings, and other debris from the condenser fins. For a deeper clean, you can use a commercially available coil cleaner or even a gentle detergent. Keeping these coils clean is critical for your AC’s performance, as built-up grime can block airflow and make your system work much harder. Regular cleaning is a key part of maintaining your air conditioner and can extend the life of your unit.

AC Not Working? A Step-by-Step Troubleshooting Guide

When your AC gives out on a sweltering South Florida day, panic can set in quickly. But before you pick up the phone to call for a potentially expensive repair, there are several simple troubleshooting steps you can take yourself. Many common AC issues have surprisingly easy fixes that don’t require a professional. Walking through these checks can save you time and money, or at the very least, help you give a technician a more detailed report of the problem. Grab a flashlight, and let’s work through the basics together.

Step 1: Check Your Thermostat

This might sound obvious, but you’d be surprised how often the thermostat is the culprit. It’s the brain of your entire HVAC system, so it’s the perfect place to start. First, make sure it’s set to the “Cool” position. Then, check the temperature setting. A good practice is to set the temperature at least 3°F to 5°F below the current room temperature to signal the AC to turn on. If the thermostat screen is blank or dim, the batteries might be dead. Try replacing them to see if that restores power and gets your system running again.

Step 2: Inspect the Circuit Breaker

Your air conditioner is a powerful appliance that uses a lot of electricity, so it has its own dedicated circuits. If it draws too much power or if there’s a surge, the circuit breaker will trip to prevent damage. Head to your home’s main electrical panel (it’s usually in a garage, closet, or utility room) and look for the breakers labeled for your AC or air handler. If a switch is in the middle or “Off” position, it has tripped. To reset it, push the switch firmly to the “Off” position and then back to “On.” This simple AC repair step can often restore power immediately.

Step 3: Look at the Outdoor Disconnect Box

Your outdoor condenser unit has its own power shut-off, called a disconnect box. This is a safety feature for technicians, but it can sometimes be switched off by accident. You’ll find a small, gray metal box mounted on the wall of your house near the AC unit. Open the box and check the switch or pullout lever inside. It should be firmly in the “On” position. If it’s been pulled out or switched off, restoring its connection might be all it takes to get your unit humming again. Just be sure to close the box securely when you’re done.

Step 4: Replace the Air Filter

A dirty air filter is one of the most common causes of AC problems. Its job is to trap dust, pollen, and other debris, but when it gets too clogged, it chokes your system’s airflow. This forces the AC to work harder, reduces its cooling ability, and can even cause the indoor evaporator coils to freeze over, which in turn shuts down the outdoor unit. Check your filter, and if you can’t see light through it, it’s time for a change. Replacing the air filter is an easy and inexpensive task that you should be doing regularly anyway to keep your system running efficiently.

Step 5: Clear Debris From the Unit

Your outdoor AC unit needs to breathe. It works by pulling in air and releasing the heat from inside your home. If the unit is surrounded by bushes, tall grass, or other yard debris, it can’t get enough airflow to work properly. This can lead to overheating and a system shutdown. Take a walk outside and inspect the area around your condenser. Make sure there is at least a foot or two of clearance around the unit on all sides. Trim back any overgrown plants and clear away leaves, grass clippings, or dirt that may have accumulated on the sides or top.

Step 6: Clean the Condenser Coils

The metal fins on your outdoor unit are the condenser coils, and they are essential for releasing heat. Over time, they can get caked with dirt, dust, and grime, which acts like an insulating blanket and traps heat. Cleaning them is a straightforward DIY task. First, turn off the power to the unit at both the circuit breaker and the outdoor disconnect box. Then, use a garden hose with a gentle spray nozzle to rinse the fins from the inside out. Be careful not to use high pressure, as this can bend the delicate fins. A clean condenser can work much more efficiently.

Step 7: Check the Condensate Drain Line

As your AC cools the air, it also removes humidity. This moisture collects and exits through a pipe called the condensate drain line. If this line becomes clogged with algae, mold, or sludge, the water backs up. Most systems have a safety switch that will shut the AC off to prevent water from overflowing and causing damage to your home. You can often find the end of the drain line outside near your condenser unit. If you notice it’s not dripping, you may have a clog. While some minor blockages can be cleared with a wet/dry vac, stubborn clogs deep within your home’s plumbing require an expert. Our team specializes in professional drain services and can ensure your lines are clear and flowing freely.

What AC Repairs Can You Safely DIY?

Tackling an AC issue on your own can feel empowering, and honestly, many common problems are more manageable than they seem. With a few basic tools and a little know-how, you can often get your system running again without having to call for backup. The key is knowing which tasks are safe for a DIY approach and which ones absolutely require a professional technician. Getting this right will save you time and money while keeping you safe.

Repairs You Can Handle Yourself

You can fix many common air conditioner problems yourself, often without any special tools. Start with the simple things: make sure your thermostat is set correctly, replace your air filters if they're dirty, and clear away any leaves or debris from the outdoor unit. You can also gently clean the outdoor condenser coils with a garden hose. Another common culprit is a clogged condensate drain line, which you can often clear out yourself. These basic checks and maintenance tasks can resolve issues like weak airflow or a unit that won’t turn on, saving you the cost and wait of a service call.

Common Mistakes to Avoid

Knowing your limits is just as important as knowing how to do a repair. If you reset a tripped breaker and it immediately trips again, don't keep flipping the switch. This points to a deeper electrical problem that needs a professional diagnosis. You should also never try to handle refrigerant. It’s a hazardous material that requires certified handling. Another major danger zone is the capacitor, which stores a powerful electrical charge even when the unit is off. Messing with capacitors or complex wiring is a serious electrical safety risk and should always be left to a certified technician.

Repairs to Always Leave for a Professional

I'm all for rolling up your sleeves for a home project, but when it comes to your AC unit, some repairs are best left to the professionals. Certain components carry serious risks, from electrical shock to chemical exposure. Trying to fix them without proper training can lead to severe injury or even more expensive damage to your system. Knowing your limits is the smartest DIY skill you can have. Let's cover the specific repairs that you should always call a certified technician to handle.

Dangers of Capacitors and Contactors

The capacitor is a small, can-shaped part that gives your AC's motors the jolt of energy they need to start and run. Even when the power is off, capacitors can store a powerful electrical charge, much like a battery. This makes them extremely dangerous to handle without proper training. For this reason, you should always call a certified technician to test or replace a capacitor. A bad capacitor doesn't just stop your AC from working; it can also harm other major parts of the system, including the expensive compressor. It’s a small part that can cause a big, costly headache if not handled correctly by a pro.

Handling Refrigerant Leaks

Refrigerant, the chemical that cools the air in your AC system, is not something you want to handle yourself. If your system is low on refrigerant, it means there's a leak somewhere. This isn't a DIY top-off situation; it's a problem that requires an expert. A professional HVAC technician has the right tools to find and fix the leak safely and in accordance with environmental regulations. Ignoring a refrigerant leak forces your AC to work much harder, which drives up your energy bills and puts a huge strain on the compressor. Letting a pro manage this ensures the repair is done right and protects your system from further damage.

Complex Wiring and Electrical Faults

Electrical problems are one of the most serious issues your AC unit can have. If you notice a burning smell coming from your unit, the system fails completely, or the circuit breaker trips repeatedly, it’s time to call an expert right away. While resetting a tripped breaker once is fine, if it trips again immediately, you're likely dealing with a short circuit or another serious electrical fault. Attempting to fix complex wiring without being a licensed electrician is a major safety risk. A professional can safely diagnose the problem, whether it's frayed wiring or a failing component, and prevent a potential fire hazard.

When to Call an AC Repair Professional

While tackling a DIY repair can be satisfying, it’s crucial to recognize when a problem is beyond your scope. Some AC issues require specialized tools, training, and a deep understanding of complex systems like electrical wiring and refrigerant handling. Pushing your DIY limits here can not only cause more damage to your unit but also create serious safety hazards. The goal is to solve the problem, not create a bigger one. Knowing when to step back and call a professional is a key part of being a smart homeowner. Think of it as making a strategic decision to protect your investment and your well-being. The following signs are clear signals that it’s time to put down the tools and pick up the phone.

Signs It's Time to Call a Pro

While it’s empowering to fix things yourself, knowing your limits is just as important. If you’ve gone through the basic troubleshooting steps and your AC still isn’t cooperating, it’s time to call in a professional. Certain symptoms are clear indicators of a bigger issue. For instance, if you reset a tripped breaker and it immediately trips again, that signals a serious electrical problem that’s unsafe for you to handle. If you suspect a refrigerant leak or problems with the compressor, make the call. These are complex components that require specialized tools. Even a persistently clogged condensate line, which can cause water damage, might point to a deeper issue within your home's drain services that a specialist should inspect.

The Risks of Waiting for Repairs

Putting off an AC repair might seem harmless, but it often allows small issues to snowball into major, expensive breakdowns. A problem that repeatedly trips a breaker could indicate a serious electrical fault, like a short circuit or an overheating component. Ignoring it is a safety risk. Just as with hidden water issues, a proper leak detection process is key to finding the source of the trouble before it causes widespread damage. Running your AC when the fan isn't working can quickly destroy the compressor, one of the most expensive parts to replace. Addressing problems early is the best way to prevent a complete system failure and a much larger repair bill.

A Simple Maintenance Checklist to Prevent Breakdowns

The best way to handle an AC breakdown is to prevent it from happening in the first place. A little proactive care goes a long way, especially here in South Florida where our units work overtime. Sticking to a simple maintenance routine will not only extend the life of your air conditioner but also keep it running efficiently, saving you money on your energy bills. You don’t need to be an expert to perform these basic checks. Think of it as a quick health check-up for your home’s hardest-working appliance.

By spending just a few minutes each month on these tasks, you can catch small issues before they turn into major, expensive repairs. From changing a filter to clearing away some leaves, these simple steps ensure your system has the support it needs to keep you cool and comfortable all year long. This checklist breaks down the most important maintenance tasks into easy, manageable steps that any homeowner can follow.

Change Air Filters Regularly

This is one of the simplest yet most critical maintenance tasks you can do. Your AC unit’s air filter traps dust, pollen, and other debris, preventing it from circulating in your home and from clogging up the system itself. When a filter gets dirty, it restricts airflow, forcing your AC to work much harder to cool your home. This extra strain leads to higher energy bills and can cause the system to overheat and fail. Check your filter every month and plan to replace it every 1 to 3 months. It’s a small, inexpensive step that has a huge impact on your unit's health and your indoor air quality.

Keep Condenser Coils Clean

Your outdoor unit has condenser coils that are responsible for releasing heat from your home into the outside air. Over time, these coils get covered in dirt, dust, grass clippings, and other debris. This buildup acts like an insulating blanket, making it difficult for the unit to release heat. As a result, your AC has to run longer and harder to cool your home, wasting energy and putting stress on the compressor. To clean them, turn off the power to the unit and gently spray the coils with a garden hose. This simple cleaning can significantly improve your system’s performance.

Ensure Proper Clearance Around the Unit

Your outdoor AC unit needs room to breathe. For it to work correctly, it must be able to pull in a large volume of air and expel the heat it has removed from your house. If the unit is crowded by shrubs, fences, weeds, or other objects, airflow is restricted. This can cause the unit to overheat and can lead to premature failure of the fan motor and compressor. As a rule of thumb, make sure there are at least two feet of clear space on all sides of the unit and five feet of clearance above it. Regularly trim back any plants and move stored items away from the condenser.

Check for Pests and Debris

An outdoor AC unit can seem like an inviting shelter for insects, rodents, and other small animals. Unfortunately, these critters can cause serious damage. Pests can chew through wiring, build nests that block airflow, and clog up mechanical parts, leading to electrical shorts and system failures. Make it a habit to visually inspect your unit for any signs of animal activity or debris, especially after a storm. Keeping the area around your unit clear of leaves and overgrown vegetation will also make it a less attractive home for unwanted guests.

Monitor for Electrical or Refrigerant Issues

While you should leave electrical and refrigerant work to the pros, you can still keep an eye out for warning signs. Listen for any unusual buzzing or humming sounds, which could indicate an electrical problem. If your AC is running but not cooling effectively, or if you notice ice forming on the coils, you might have a refrigerant leak. These leaks are not only bad for your AC but also for the environment. Just as you would call a specialist for a hidden water issue, you need an expert with the right tools for leak detection involving refrigerant. Catching these signs early can prevent a small problem from becoming a catastrophic failure.

Schedule an Annual Professional Tune-Up

Even with diligent DIY maintenance, there’s no substitute for an annual professional tune-up. An HVAC technician has the tools and expertise to perform a deep clean and a thorough inspection of your entire system. They can check refrigerant levels, test electrical components, lubricate moving parts, and identify potential problems that aren’t visible to the naked eye. This yearly check-up is a smart investment that ensures your system is safe, efficient, and ready for the demands of another hot Florida summer. It’s the best way to get peace of mind and avoid an unexpected breakdown when you need your AC the most.

Understanding Potential AC Repair Costs

Let’s be honest, one of the most stressful parts of a broken AC is the unknown repair bill. The cost can range from a simple, inexpensive fix to a major expense that has you rethinking your budget. The good news is that you can get a handle on potential costs by understanding what influences them. Knowing these factors helps you ask the right questions and make a confident decision when you get a quote from a technician. It all comes down to figuring out if a repair is a smart investment or if it’s time to consider a replacement.

What Affects the Cost of a Repair?

AC repair costs are not one-size-fits-all, and the final price tag depends on several key things. The most significant factor is which part has failed. Replacing a capacitor is a relatively minor expense, while a new compressor can cost thousands. The age and type of your unit also play a big role; parts for older or less common models can be harder to find and more expensive. Finally, check if your unit is still under warranty, as this could cover the cost of parts, labor, or both. Getting a professional diagnosis is the only way to know for sure what you’re facing, but understanding these variables will prepare you for the conversation.

Repair vs. Replace: Making the Right Choice

Deciding whether to fix your current AC or invest in a new one can feel overwhelming. A good rule of thumb is the 50% rule: if the repair cost is 50% or more of the price of a new system, replacement is usually the smarter financial move. Another guideline is to multiply the repair cost by the unit's age in years; if the total exceeds $5,000, it’s likely time for an upgrade. You should lean toward repair if your unit is less than 10 years old and the issue is minor. However, you should seriously consider a replacement if your system is over 15 years old, needs frequent repairs, or your energy bills keep climbing.

Frequently Asked Questions

How often should I have my AC professionally serviced? Even if your system seems to be running fine, you should schedule a professional tune-up once a year, ideally in the spring before the heavy summer heat arrives. Think of it like a check-up for your car. A technician can perform a deep clean, test electrical components, check refrigerant levels, and catch small issues before they turn into a full-blown breakdown on the hottest day of the year. This yearly service is the best investment you can make for your AC's health and efficiency.

My AC breaker keeps tripping. Is it okay to just keep resetting it? No, you should not keep resetting it. A circuit breaker is a safety device designed to shut off power when it detects a problem, like an electrical overload or a short circuit. While it's fine to reset it once, if it trips again right away or continues to trip frequently, it's a clear sign of a serious electrical fault. Continuing to reset it is a safety risk. It's time to turn the breaker off and call a certified technician to diagnose the underlying issue.

My AC is running, but the air isn't cold. What should I check first? Before you assume the worst, there are two simple things to check. First, look at your thermostat and confirm it's set to "Cool" and the temperature is set at least a few degrees below the current room temperature. Second, check your air filter. A completely clogged filter can block airflow and severely reduce your AC's cooling ability. If the thermostat is set correctly and you have a clean filter, but the air is still warm, you likely have a more complex problem like a refrigerant leak or a failing compressor that needs a professional's attention.

Is it really that bad to just add more refrigerant if it's low? Yes, simply adding more refrigerant without fixing the source of the problem is a bad idea. Your AC is a closed system, so if the refrigerant is low, it means you have a leak. Topping it off is only a temporary fix that doesn't solve the underlying issue. The system will just leak again, forcing your AC to work much harder, which can damage the compressor and lead to a much more expensive repair. A professional needs to perform proper leak detection to find and seal the leak before refilling the system.

How can I tell if a repair is worth the cost or if I should just replace my unit? This is a tough decision, but a good guideline is the 50% rule. If a repair costs half or more of what a new system would cost, replacement is usually the better long-term investment. Also, consider the age of your unit. If your AC is over 15 years old, needs frequent repairs, and your energy bills are steadily climbing, putting more money into it may not be wise. For a younger unit with a minor issue, a repair makes perfect sense.

Outside AC Unit Repair: A Homeowner's DIY Guide