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AC Repair

Mission Viejo AC Repair

Same-Day Appointments & 24-Hour Emergency Service Available!

A broken air conditioner is a big problem on a hot day. When you need fast, efficient repairs for your air conditioner, you need a reliable local company on call that you can trust. Here in Mission Viejo, that company is John Stevenson Plumbing, Heating & Air Conditioning, Inc. Since 1999, we've proudly provided top-tier AC repair services to customers throughout Orange County. During that time, we've earned a great reputation for friendly service, knowledgeable technicians, and high-quality repairs.

With Complete Comfort, You Can Expect:

  • On time arrival
  • Honest recommendations
  • Competitive pricing
  • Personalized solutions

Signs Your AC Needs Repairs

Recognizing the signs of a malfunctioning air conditioner is crucial to ensure timely repairs and prevent further damage. Here are some common indicators that your air conditioner may be experiencing issues:

  • Insufficient Cooling: If your air conditioner is struggling to cool your space or if there are noticeable temperature variations throughout your home, it could indicate a malfunction. This could be due to a faulty compressor, refrigerant leaks, or blocked air vents.
  • Strange Noises: Unusual sounds coming from your air conditioner, such as grinding, squealing, or banging noises, are signs of potential problems. These noises may indicate loose or worn-out components, a malfunctioning fan, or a damaged motor.
  • Frequent Cycling: If your air conditioner frequently turns on and off without reaching the desired temperature, it could be a sign of an underlying issue. This could be caused by a malfunctioning thermostat, a refrigerant leak, or an improperly sized unit.
  • Weak Airflow: Reduced or weak airflow from your air conditioner's vents may suggest a problem with the fan motor, clogged air filters, or blocked ductwork. Poor airflow can lead to inadequate cooling and inefficient operation.
  • Unpleasant Odors: Foul or musty smells emanating from the air conditioner can indicate mold or mildew growth in the unit or ductwork. It is essential to address this issue promptly to prevent the circulation of contaminated air.
  • Increased Energy Bills: A sudden spike in energy bills without any significant changes in usage patterns could indicate an inefficient or malfunctioning air conditioner. Aging components, faulty AC capacitors, refrigerant leaks, or poor insulation can contribute to increased energy consumption.

For the best AC repair in Mission Viejo, make your first call to John Stevenson Plumbing, Heating & Air Conditioning, Inc. Dial (949) 426-7377 now!

Why Isn't My AC Cooling My House?

If your AC runs all the time but does not seem to be cooling your home, you may have any of the following issues:

  • Incorrect Thermostat Settings: Ensure that your thermostat is set to the desired temperature and is in the cooling mode. Sometimes, the thermostat may be set incorrectly, causing the air conditioner not to kick in. On the other hand, a thermostat that is set too low in relation to how hot it is outside can cause it to constantly run without actually being able to reach your desired temperature.
  • Dirty Air Filters: Dirty or clogged air filters restrict airflow, reducing the cooling efficiency of your air conditioner. Check and clean or replace the air filters regularly to ensure proper airflow.
  • Refrigerant Issues: Low refrigerant levels or refrigerant leaks can lead to insufficient cooling. If you suspect a refrigerant issue, it is best to contact our Mission Viejo AC repair technicians to diagnose and repair the problem.
  • Blocked Condenser Unit: The outdoor condenser unit should have adequate space around it to allow proper airflow. Ensure that there are no obstructions such as plants, debris, or other objects blocking the unit.
  • Faulty Compressor or Fan: A malfunctioning compressor or fan can prevent the air conditioner from cooling effectively. If you hear unusual noises coming from the outdoor unit or notice that the fan is not running, it may indicate a problem with these components.
  • Ductwork Issues: Leaky or poorly insulated ductwork can lead to cooled air escaping before it reaches the desired areas, resulting in inadequate cooling. Inspect your ductwork for leaks or damage and seal or repair as necessary.
  • Aging Equipment: If your air conditioner is old and worn out, it may struggle to cool your house efficiently. Over time, the performance of the unit can deteriorate, and it may be necessary to replace it with a more energy-efficient model.

NATE Certified AC Repair Technicians

At Complete Comfort, our technicians are factory trained and certified by NATE (North American Technician Excellence®) for your peace of mind. What does this mean for you? It means that our technicians are true air conditioning experts who are experienced in all aspects of AC service and repair.

Each technician participates in ongoing training to keep abreast of the latest methods and techniques. So no matter what brand, make, or model of cooling equipment you have, you can trust that our team has the right expertise to solve your problem. This commitment to excellence is essential to our mission to be the best AC repair company in Mission Viejo.

Call Today to Schedule Your AC Repair Appointment!

When you need air conditioning repair in Mission Viejo, you need Complete Comfort. As a second-generation family owned company, we're committed to carrying on a legacy of unmatched service that prioritizes value for our customers.

We look forward to serving you and exceeding your expectations. Contact us today!

What Makes Us a Community Name?

Benefits of Working with Our Expert Team
  • Drug Tested & Background Checked Technicians
  • Upfront Pricing — You’ll Never Pay More Than You’re Quoted
  • Expert Advice From Professional, Licensed and Certified Technicians
  • We Stock Enough Parts in Our Trucks to Do 93% Of Repairs on the Spot
  • Flexible Scheduling - Ask About Same-Day or Emergency Service
  • 5 Star Service Guarantee Includes Service Tailored to Your Needs & Budget

Frequently Asked Questions

  • How do I know whether I need a repair or a replacement?
    The best way to determine if you need to repair or replace your current heating unit is to rely on the opinions of HVAC experts. Their experience will help them gauge whether repairs are possible and financially feasible. Our team of experts takes your best interests into consideration and offers heater replacement recommendations from there.
  • Why is it so important to hire a professional for heating installation?
    The professionals have the experience and right equipment to ensure your installation is performed correctly and safely. They also have experience working with a variety of different systems, so they won’t be fazed by your system or any issues that pop up. It’s also a good idea to have the professionals install your heater because they are constantly undergoing training to stay up to date with the latest technology and advancements. If you want to ensure your heating system is fully optimized for efficiency and peak performance, the professionals know just what to do to make it happen.
  • How long do HVAC systems typically last?
    According to the Department of Energy, HVAC systems typically last between 15 and 20 years. At John Stevenson Plumbing, Heating & Air, we recommend replacing your existing heating system at around 10-12 years for greater efficiency, lower utility and energy bills, and optimal performance.
  • Does John Stevenson Plumbing, Heating & Air offer financing options?
    We offer a variety of financing options, so our customers can achieve home comfort without breaking the bank. We can offer same as cash, as well as low interest options to suit the needs of any customer. Ask our Comfort Advisors about financing today!
  • Why Isn't My Home Getting Warm Enough?
    There are a few reasons why your furnace may not be warming your home efficiently or evenly. One of the most common reasons is a leak in the ducting. If there is a small hole or the ducting is improperly installed, it could leak out warm air and cause the air pressure to drop and the system then provides inadequate heating. Additionally, dirty filters will also cause a restriction in airflow making the system work harder. This can lead to a broken system, which is why regularly changing and/or cleaning your air filters is so important.

Ready to Get Started?

Call (760) 276-6690 Now!
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Always Close By Providing Service 6 Days a Week. Monday - Sunday, 8:00 AM - 7:00 PM

You can rely on us for fast, effective services. As part of our 5 Star Service Guarantee, we promise to value your time, provide knowledgeable technicians, and dedicate ourselves to your full happiness with all of our services.

  • Encinitas
  • Rancho Santa Fe
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A Homeowner's Best Friend

Expertise isn't the only thing we have gained over the past three decades - check out our loyal customer base!
    “Such a great experience!”
    “I can't say enough great things about Patrick and the whole John Stevenson company.”
    - Holly G.
    “Great Experience!”
    “Great job, the technicians explained everything so that I could make the best decision for my home.”
    - Victoria J.
    “Highly Recommend!”
    “I have been using John Stevenson’s services for about 7 years now and am really happy with all the services provided so far: new heater installation and yearly checkup/tune-up; new tankless water heater installation and yearly flush.”
    - Flavia P.
    “Very Knowledgeable!”
    “The thing about John Stevenson Plumbing is that it is simply the best company of its type in the region. The technicians are smart, personable, always courteous and helpful, knowledgeable and fun to get to know. They do their jobs on time and on budget and”
    - John H.
    “Definitely Recommend!”
    “Luis was great! Fixed a leak in a gas line to our Guest House. Work was done quickly and professionally with excellent communication to me about the process.”
    - Pam L.
    “Excellent Work!”
    “I have used John Stevenson numerous times over the past few years for both plumbing and heating issues.”
    - Phyllis S.
    “Very Pleased!”
    “Scheduling was easy. Received a call 30 minutes before technicians arrived. John, the lead man explained the work to be done. He and his apprentice Gilbert were courteous and friendly.”
    - Phil H.
    “Extremely Professional!”
    “We really enjoyed the experience and the professionalism from John Stevenson Plumbing. Thomas came out and did the initial inspection and troubleshooting of our furnace.”
    - Nancy C.