
How to Fix Your Broken AC
- Test your thermostat for problems. Try the thermostat at the lowest setting. ...
- Clear out the drain tube. Check regularly for water pooling around your air conditioning unit. ...
- Carefully clean the fins. Clean the fins to improve your AC’s efficiency. ...
- Adjust any damaged fins. ...
- Add a new layer of insulation. ...
How to decide whether to repair or replace your AC?
- Frequent cycling
- High humidity levels
- Mold growth
- Strange sounds or odors
How to tell if you need AC repair?
How to Know You Need AC Repair: 6 Common Signs You Have a Problem
- A Noisy AC Unit. It’s normal for your AC unit to make a low-level sound when it kicks on and off. ...
- High Electric Bills. If you’re wondering how to know you need AC repair, take a look at your electric bill. ...
- Uneven Cooling. When you walk around your home, do you notice that some parts are warmer than others? ...
- High Humidity. ...
- Water Leaks. ...
- Insufficient Airflow. ...
How to clean AC at home?
Part 1 Part 1 of 3: Cleaning the Condenser Download Article
- Shut off power to the unit. There should be an outdoor shutoff near the condenser unit. ...
- Vacuum the condenser fins. The fine, narrow slats of metal which line the sides of the compressor unit are called “fins.”
- Straighten the condenser fins. ...
- Unscrew and remove the fan. ...
- Wash the fan blades and the interior fins. ...
- Reassemble the compressor unit. ...
How much does it cost to fix AC?
How much does it usually cost to fix AC? Q&A. According to HomeAdvisor, the average cost the repair an AC Unit in the United States is $336. The typical range is between $163-$520 while the high end of repairs can be as high as $1100. Certain types of repairs will also cost more than your average fix.

Why is AC running but not cooling?
If your air conditioner is running, but not lowering temperatures inside, one issue could be a blocked or clogged condenser coil. When operating correctly, the condenser fan draws air into the outdoor unit through the condenser coil to pull heat energy out of your home.
How do I fix my AC not working?
If your AC is not cooling but runs:Turn off the power.Clean or change the air filter to improve airflow.Look to see if ice has formed on the coils and, if it has, turn on the power and the fan to melt it.Clean the condensate drain.Finally, check and clean the outdoor compressor.
Can you repair your own AC?
The short answer to these questions is that you shouldn't attempt any do-it-yourself fixes with a central air conditioner. The modern AC is an intricate piece of refrigeration equipment, and it takes years of training as well as specialized tools to handle even the most basic repairs.
Why is my AC not running?
If your air conditioner is not working, it can be caused by a variety of reasons. Common reasons include dirty or blocked air filters. In other cases, there can be issues with your compressor or refrigerant. This can lead to your ac not blowing air, not turning on, or it just doesn't seem to be working properly.
How do you diagnose AC problems?
The Issue: Your AC Turns On But Isn't CoolingCheck the thermostat to make sure it's working properly.Take a look at the condenser to see if it's dirty or blocked. ... Clean and/or change your filter (We recommend once a quarter.)See if any ice has formed on the coils. ... Check and/or clean the outdoor compressor.
How can I fix my air conditioner fast?
3:495:09AC Quick Fix or Service Call! It's Getting Hot in Here, So Hot - YouTubeYouTubeStart of suggested clipEnd of suggested clipBefore we go one quick tip to make sure your AC unit is running as efficient as possible is makeMoreBefore we go one quick tip to make sure your AC unit is running as efficient as possible is make sure all the dirt and debris are free from these vents.
How long does an AC unit last?
15 to 20 yearsWhile every unit is different, and every homeowner has a different understanding of when their central air conditioner is broken beyond repair, it's fair to say that, with proper maintenance and care, you can expect a good 15 to 20 years of cooling from a new high efficiency air conditioning system.
How do you know when your AC is broken?
Your AC is considered broken when it no longer produces cold or hot air into the home. Even if the system comes on, if the airflow isn't high enoug...
How do I reset my air conditioning unit?
The reset procedure will depend on the type of air conditioner you have. Some models will have a reset button near the control board that you can p...
Is a broken AC an emergency?
A broken AC is always a problem, but considering it an emergency will vary. For example, in the state of Texas, a broken AC is only an emergency if...
How do I find a 24 hour HVAC repairman in my area?
You can use Modernize.com or our professional contractor tools to locate reliable and dependable repair contractors. Many of the most professional...
Can you sue your landlord for not fixing AC?
You can sue your landlord for not repairing the AC in every state except Arkansas. The level of arbitration and costs will vary from state to state...
What are the problems with air conditioners?
The Most Basic Problems of Air Conditioners. With residential air conditioners, there are a lot of moving parts. There are electrical and mechanical components, refrigerants, and a lot of copper tubing. Something can go wrong at any time.
Why does my air conditioner fail?
The other most common issues with automotive air conditioner failure are due to leaks in the refrigerant lines, bad seals, or a worn compressor clutch. All of these issues require a trained and licensed professional to diagnose, locate (for leaks), and repair.
Why does my Lennox air conditioner lose airflow?
After installing a Lennox air conditioner, the biggest consumer complaint is that the system loses airflow. However, this generally goes beyond a dirty or clogged air filter (though you should always check this first). The largest reason this occurs is that the system is improperly installed.
Why won't my fan spin?
Cleaning vents, compressor overheating, low refrigerant, leaks, and burnt-out fan motors all need a trained professional. The biggest issue with these known problems is proper diagnosis. For example, a fan motor that doesn’t spin can be one of seven different causes. It can also be a combination of issues.
Is an air conditioner the same as a car?
Almost all automotive air conditioners are the same. What is different, though, is the car around the system. Knowledge of the car brand and make is important, and you should ensure that the mechanic knows the brand well enough to work on your car.
Can a leaking evaporator cause water to leak?
Indoor water leaking is almost always found around the evaporator unit. When the air passes over the evaporator coils, it condenses. The condensate falls into the drain pan where it is removed from the home through the drain line. If the drain line or pan is clogged, though, it can overflow, causing a water leak.
Is it normal to see condensation on a refrigerant line?
However, it shouldn’t be so bad as to create puddles or small streams of running water.
How to fix AC that is not cooling?
If your AC is not cooling but runs: Turn off the power. Clean or change the air filter to improve airflow. Look to see if ice has formed on the coils and, if it has, turn on the power and the fan to melt it. Clean the condensate drain. Finally, check and clean the outdoor compressor.
What to do if AC is not working?
If your AC is not working at all: Be sure it is receiving power at the electrical panel. Reset the equipment’s switches and/or overloads. Check the thermostat settings. Check the condensate overflow switch. Check the capacitor and contactor in the compressor.
What to do if air handler doesn't run?
If the air handler doesn’t run at all, it may not be receiving power. Check its circuit breaker, and any switch that controls it at the air handler or furnace cabinet.
Why is my air handler dripping?
Water dripping or pooling at the base of the air handler indicates: 1) a leak from one of the plastic pipes or tubes that carry it, 2) something may be blocking the water’s flow, or 3) the condensate pump may not be working. If the pump stops working, it will overflow.
How to check if air handler is working?
1 Turn off the power to the air conditioning air handler or furnace. If the air handler is a gas furnace, turn off the gas at the gas valve that serves the furnace. 2 Remove the door on the front of the air-handler cabinet so you can access the air filter.
Why does my AC handler freeze up?
Ice In the AC Air Handler. Only two things cause an AC air handler to freeze up: 1) reduced air flow because of dirty filters, coils, or poorly working fans, and 2) low refrigerant level, which a pro must check and, if necessary, recharge. More often than not, the problem comes from reduced air flow.
Why is my AC not blowing cold air?
If the AC doesn’t blow cold air, this would indicate that the thermostat and the blower motor are operating, but the refrigeration system (outdoor compressor) is not working right or air isn’t circulating properly, usually because of dirty filters.
How to service an AC compressor when it's cold?
If the air is cold, you may need to service something other than the AC compressor. Locate the fuse box of the AC unit. Air conditioning units typically have a fuse box. Locate this mechanism along the power relay running to the unit.
What is the purpose of an AC compressor?
The purpose of a compressor is to circulate the refrigerant needed for heat exchange through the coils of the indoor and outdoor air conditioning unit. It also applies the energy to the refrigerant.
What to do if your AC doesn't come on?
First, check the circuit breaker. It’s possible it has just tripped. If you flip the circuit breaker and the AC still doesn’t come on, it may be a thermostat problem.
How much does it cost to fix an air conditioner compressor?
Air conditioning compressor repair costs $100 to $250 for a hard start kit. If the AC makes a grinding noise, it may be a loose bearing. A squealing noise indicates a leaking bearing. For extensive damage, most HVAC services recommended installing a new compressor.
How much does it cost to replace an evaporator coil?
On average, an AC evaporator coil replacement costs $675 to $1,300. If your AC unit is frosty, the evaporator coil is most likely frozen. Also, if the air conditioner smells bad, there could be bacteria buildup on the coil. The cold liquid (refrigerant) inside the coil absorbs the heat away from your home.
Why is my AC coil freezing?
The evaporator coil is most likely frozen. The cause is generally a lack of airflow over the evaporator coil, which is caused by a plugged filter. Without airflow, moisture from the air will collect on the evaporator coil and freeze. Turn off the AC unit, let the ice melt, change the filter, and try again.
What certification do I need to be an HVAC technician?
At the minimum, your technician should be “Level II Certified” or have a “Universal Certification” to work on your central air conditioner.
How much does it cost to fix an AC coil leak?
An AC evaporator coil leak repair costs $1,300 to $2,000. Pinhole leaks in the evaporator coil can develop as a result of VOCs combined with the moisture in the air. Acids will form and adhere to the coil, causing slow leaks. If your AC unit starts blowing warm air, it might be an indication that you have a leak.
How much does it cost to replace an AC compressor?
AC compressor replacement costs $1,200 to $1,900 on average. If the air conditioner is blowing warm air, vibrating, or making noises when starting, you may have a bad AC compressor. The compressor changes liquid gas into cold air to cool a home and takes a few hours to replace.
