Air conditioning is critical for home comfort, providing relief from the heat and improving indoor comfort. However, like any other appliance, A/C units can experience issues that prevent them from functioning properly. Whether your air conditioner won’t turn on, or you’re facing other common A/C problems, understanding the potential causes and solutions can help you address the issue quickly and effectively.
In this article, we’ll cover some of the most common A/C problems homeowners encounter, along with troubleshooting tips and solutions to get your cooling system back up and running.
Whether you’re a DIY enthusiast or need professional assistance, Done® Plumbing, Heating, Cooling and Electric is here to help. Call Done today at (833) 539-9153 and join our large community of happy customers!
Table of Contents
Why Won’t My A/C Turn On?
Check the Power Source
Before you panic, ensure your A/C unit is receiving power. It may seem simple, but sometimes the solution is as straightforward as checking if the unit is plugged in or if a circuit breaker has tripped.
Inspect the Thermostat
Why is my thermostat not turning on the AC? If your thermostat isn’t functioning correctly, it can prevent your A/C from turning on. Ensure it’s set to “cool” and that the temperature is lower than the current room temperature. If it’s battery-operated, try replacing the batteries to see if that resolves the issue.
Examine the Outdoor Unit
Why would the outside AC unit not kick on? Sometimes, the problem lies with the external unit. Debris blocking the unit, a tripped breaker, or even a damaged capacitor could be the culprit. Clear any obstructions and reset any tripped circuits. If the problem persists, contact our professional team of HVAC professionals for further inspection.
Common A/C Problems and Their Solutions
Air conditioners can face a range of issues, from minor annoyances to more significant concerns that may require professional help. Below are some common problems and steps you can take to resolve them without breaking a sweat.
A/C Blowing Warm Air
One of the most common issues is an A/C unit that blows warm air. This problem could be due to a dirty air filter, low refrigerant levels, or a malfunctioning compressor. Replace the air filter regularly, and if the issue isn’t resolved, call our expert technicians to check for leaks or compressor issues.
Strange Noises
Unusual noises coming from your A/C unit can indicate a problem. Rattling or buzzing could mean loose parts, while whistling or hissing might suggest a refrigerant leak. Turn off your unit and contact a professional to diagnose and fix the problem.
Water Leaks
If you notice water pooling around your A/C unit, it could be due to a clogged condensate drain line or a broken condensate pump. Clear the line using a wet/dry vacuum or call a technician to repair or replace the pump. In order to prevent water damage, reach out to our trusted HVAC technicians immediately so that the issue can be resolved.
Frozen Evaporator Coils
Evaporator coils can freeze due to restricted airflow or low refrigerant levels. Check your air filter and replace it if necessary. If the problem persists, a technician may need to recharge the refrigerant and inspect for leaks.
A/C Short Cycling
Short cycling, where the A/C unit turns on and off more frequently than normal, can strain the system and increase energy bills. This could be due to an oversized unit, a clogged filter, or a malfunctioning thermostat. Ensure the filter is clean and consult with Done HVAC technicians to determine if the unit is properly sized for your home.
Why Is My AC Not Turning On? – Advanced Troubleshooting
If the basic checks don’t reveal the problem, it may be time to delve a little deeper. Here are some other reasons why your AC unit may not be turning on properly.
Electrical Issues
Electrical problems can prevent your A/C from starting. Inspect wiring for signs of damage, and ensure all electrical connections are secure. If you’re not comfortable with electrical work, it’s best to call our certified electricians you can trust.
Capacitor or Contactor Problems
The capacitor stores energy needed to start the compressor, while the contactor controls the flow of electricity. If either component fails, your A/C won’t turn on. These parts can be replaced by our professional technicians easily, whenever it is convenient for you.
Compressor Malfunction
The compressor is the heart of your A/C system. If it’s not working correctly, the entire unit may fail to turn on. Compressor issues are complex and usually require the expertise of a trained technician. Thankfully, the skilled technicians at Done handle these types of problems quickly and affordably, restoring your home to maximum comfort and perfect climate control.
Preventative Maintenance: Keeping Your A/C Running Smoothly
Preventative maintenance is key to avoiding common A/C problems. Here are some steps you can take to keep your air conditioner in top shape:
Regular Cleaning
Ensure the exterior of your unit is free from leaves, dirt, and other debris. Clean or replace air filters every one to three months, depending on usage and type.
Scheduled Servicing
Have your A/C system serviced by a professional at least once a year. They can check for issues, ensure it’s running efficiently, and perform necessary maintenance tasks.
Be Proactive
Don’t wait for problems to arise. If you notice any changes in performance or hear unusual sounds, address them promptly to prevent further damage.
Join Our 1st Service Club
For ultimate peace of mind, join our home maintenance plan – 1st Service Club. Members receive regular maintenance visits and priority scheduling to keep your home running smoothly. This proactive approach helps catch potential issues early and keeps your A/C running smoothly year-round. Contact us today to learn more about our maintenance plans and join our community of satisfied customers.
When to Call a Professional
While some A/C problems can be resolved with simple troubleshooting, others require the expertise of a professional.
If you’ve exhausted the basic checks and your unit still isn’t working, or if you suspect a more serious issue like a refrigerant leak or compressor failure, it’s time to call a certified HVAC technician.
One Call… It’s Done!
Air conditioning issues can be a major inconvenience, but understanding the common problems and their solutions can make the process of fixing them much easier.
In this article, we’ve covered some of the most frequent A/C problems, including units that won’t turn on, poor airflow, strange noises, and more. By following the troubleshooting tips provided, you can address many of these issues on your own.
If you still need professional assistance, don’t hesitate to reach out to Done – we’re available 24/7 to take your emergency HVAC call.
Serving Aurora and Denver, CO since 1999, we are the region’s most trusted company with a stellar 4.8-star rating on Google and thousands of satisfied customers.
Our experienced team is ready to help with all your plumbing, heating, cooling, and electrical needs. Call Done today and experience top-notch service and peace of mind!
