Air Conditioning Repair in San Marcos, CA

When your cooling system fails during hot weather, you need a technician who can arrive quickly and implement real solutions.

Schedule Your Air Conditioning Repair

Three cartoon penguins dressed as workers stand beside the word "MAUZY" in large blue letters. Below, it lists: "Cooling • Heating • Plumbing • Electrical." The penguins wear blue uniforms and hats.

Sherlock Plumbing, Heating & Air Has Joined Forces with Mauzy Cooling, Heating, Plumbing & Electrical

Sherlock Air has officially joined forces with Mauzy Cooling, Heating, Plumbing & Electrical, combining two trusted Southern California home-services teams into a single powerhouse.

Sherlock is Here for All of Your Air Conditioning Needs!

Enjoy trusted expertise, fast response times, upfront pricing, and dependable service.

Upfront, Honest Pricing

Clear, transparent quotes with no hidden fees, surprises, or gotcha's.

Technicians You Can Trust

Licensed, certified professionals providing knowledgeable, reliable guidance.

Solutions for YOUR Home

We recommend only what you need, customized to your specific situation.

Fast, Reliable Service

Fully stocked trucks and flexible scheduling help get most repairs done the same day.

A person wearing black gloves uses a manifold gauge to check or service an air conditioning unit, with wiring and metal pipes visible inside the open panel—typical of expert Air Conditioning Repair San Marcos. Large ventilation fans are seen on the left.

Quality Air Conditioning Repair Services for San Marcos Homes

Air conditioning breakdown during summer heat creates an uncomfortable and urgent situation in your household. Whether your system has stopped cooling completely, is running without adequately cooling your space, or is leaking water, Sherlock Air has the skills to repair it. We’ve helped San Marcos residents stay cool for years by responding quickly to air conditioning problems and fixing them properly. Our technicians show up with deep knowledge of cooling systems and the equipment needed to diagnose any issue accurately. We explain what we find clearly, we work efficiently to complete repairs, we protect your home during the job, and we charge fair prices for quality work. We never recommend unnecessary services or include hidden charges. When you call Sherlock Air for air conditioning repair in San Marcos, you’re getting professionals dedicated to your comfort and satisfaction.

Air Conditioning Issues We Can Help Resolve

Air conditioning that produces only weak airflow from your vents indicates your system is struggling to operate effectively. The issue could be a clogged air filter blocking flow, ducts that are blocked or damaged, or internal components failing inside your unit. Your San Marcos air conditioning must work much harder when airflow is restricted, which reduces efficiency and increases energy costs. Our air conditioning repair team can locate what’s limiting the airflow and restore your system to full cooling performance.

An air conditioning system that runs but blows warm air instead of cool is a serious malfunction needing immediate attention. The problem could involve a refrigerant leak, a compressor that’s failing, or damaged cooling components that have stopped working. Delaying this repair only makes the situation worse and more expensive to fix eventually. Our San Marcos air conditioning repair experts can diagnose what’s preventing cooling and restore cold air throughout your home.

Your air conditioning should operate in normal cycles, not constantly cycle on and off repeatedly throughout the day. Frequent cycling indicates your system is overworked or something inside is broken. The problem could be a refrigerant leak, a thermostat malfunction, or a compressor that’s failing. Our air conditioning repair specialists can determine what’s causing the irregular cycling in your San Marcos system and implement a permanent solution.

Air conditioning serves the dual purpose of cooling your home and removing excess humidity from the air. If your home feels sticky or damp despite your air conditioning running, your system isn’t removing moisture effectively. This indicates a malfunction in your San Marcos air conditioning’s cooling components or its drainage system. Our air conditioning repair professionals can diagnose humidity problems and restore your system so your home becomes comfortable again.

Unpleasant odors coming from your air conditioning vents point to mold growth in ducts, a blocked drain line, or burnt components inside your unit. These smells signal your system needs immediate professional service. Our air conditioning repair team can find where the odor is originating and eliminate it completely. Professional air conditioning repair in San Marcos removes odors and improves the air quality throughout your home.

A person uses a screwdriver to fix or open the panel of a metal appliance, possibly during an Air Conditioning Repair San Marcos job. Warning labels and exposed wires are visible; only the arms and hands are shown.

Quality Work at Fair Prices With Complete Honesty

Air conditioning repair should never feel uncertain or leave you worried about overcharging for unnecessary services. We inspect your system carefully, tell you exactly what we find and why it needs fixing, and only recommend work that’s genuinely necessary. Our pricing is fair and competitive, our workmanship is quality, and we stand behind every repair we complete. You’ll always understand exactly what you’re paying for.

A central air conditioning unit is installed next to the exterior wall of a house, surrounded by green grass and some landscaping. Electrical boxes and meters are mounted on the wall above, perfect for Air Conditioning Repair San Marcos services.

Get Started Today

Book Your Air Conditioning Repair in San Marcos, CA NowDiego, CA Now

Summer temperatures demand a working air conditioning system, so don’t delay when yours breaks down. Contact Sherlock Air today to schedule your air conditioning repair service in San Marcos and restore cool comfort to your home.

Air Conditioning Offers & Service Specials

Enjoy trusted expertise, fast response times, upfront pricing, and dependable service.

$89

$49

What you get from Sherlock Plumbing Heating & Air:

  • We’ll come to your home
  • Diagnose the problem with your A/C system
  • Provide a comprehensive report on the problem
  • No service call or dispatch fees only waived if repair is performed same-day
  • Present you with personalized solutions on what to do next
  • If we do the work we’ll waive the diagnostic charge!
  • 100% satisfaction guaranteed
  • NO service call fees. NO dispatch fees.
Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers

0% Interest For 60 Months

What you get from Sherlock Plumbing Heating & Air :

  • We will come to your home
  • Analyze your new A/C installation needs
  • Present personalized solutions on what to do next
  • Financing Options Available!
  • 100% satisfaction guaranteed
  • NO service call fees. NO dispatch fees
Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers

Free A/C & Plumbing Inspections

12-Month, Same-As-Cash Financing Available!

What you get from Sherlock Plumbing Heating & Air:

If your system breaks down within 6 months of service;

  • We’ll come out at no cost to figure out the problem
  • We’ll give you priority scheduling service
  • Credit the original maintenance charge toward the repair!
  • 100% satisfaction guaranteed
  • NO service call fees. NO dispatch fees.
Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers

$89

$49

What you get from Sherlock Plumbing Heating & Air:

  • We’ll come to your home
  • Diagnose the problem with your A/C system
  • Provide a comprehensive report on the problem
  • No service call or dispatch fees only waived if repair is performed same-day
  • Present you with personalized solutions on what to do next
  • If we do the work we’ll waive the diagnostic charge!
  • 100% satisfaction guaranteed
  • NO service call fees. NO dispatch fees.
Call for Conditions & Restrictions / Present Coupon at Time of Service / Not Available to Combine with Other Offers

Our Most Recent Reviews

Check out our most recent reviews, and then call us for service!

Adrienne Durfey profile picture
Adrienne Durfey
02:35 29 Dec 25
Got our bathroom shower drain unclogged for an amazing price. He was done in 20 minutes. Would definitely call Eduardo and Mauzy Plumbing again for any future needs
Jaylee Howard profile picture
Jaylee Howard
17:17 27 Dec 25
Had a clogged sink. Eduardo was very nice and walked me through the process. He did a great job and satisfied with his service.
Faze profile picture
Faze
00:17 27 Dec 25
He was great. Very nice and friendly and got the job done quickly!
Bella Tesoro profile picture
Bella Tesoro
20:02 26 Dec 25
Arturo was awesome and solved our issue quickly. He was very friendly and efficient. Highly recommend.
larry estis profile picture
larry estis
19:17 24 Dec 25
Great company angel is a very good and helpful plumber.
Edwardo did a plumbing job in my kitchen. Super efficient. Clearly knew exactly what was needed and did it. Very careful clean and organized. He was also extremely good at explaining what and why he was doing specific steps. In addition he pointed out a few other areas that may be issues in the future for me to keep an eye on. Lastly, Edwardo was pleasant and easy to talk with, a genuine nice guy.
Barbara Taylor profile picture
Barbara Taylor
23:39 13 Nov 25
I had the nicest experience today with Arturo the tech. He was so darned cheerful & nice from his introduction and then on to being very professional. He provided fast service and took the time to explain about plumbing and your service.
He’s really a very nice person and I appreciate having someone like him come into my home.
Diana Holt profile picture
Diana Holt
00:59 06 Nov 25
We had a whole house water filtration system installed . Jace did a terrific job and explained everything he did. He also fixed my tankless water heater that was having an error code that was not completely addressed in the owners manual after I tried to fix it myself. I would recommend Jace and Mauzy to my friends and neighbors. I’m very satisfied!
Siobhán profile picture
Siobhán
23:07 30 Oct 25
This is the second time I have used Mauzy plumbing. My plumber Eduardo, was an absolute professional. He was incredibly good at his work, went above and beyond. Eduardo was so friendly, helpful and communicative. He took care to do the job to the highest standards. I highly recommend the company because of Eduardo and the staff at the office. Thank you.
Angela McCollum profile picture
Angela McCollum
16:44 17 Oct 25
Wilbur, our technician, was fantastic! He fixed our backed up drain very quickly and very thoroughly! He also gave us other options for a more permanent fix, which we will certainly do in the near future. The price was amazing and overall a great experience! We will definitely be using your company again! I am thrilled to find a reliable, Knowledgeableand trustworthy plumber.
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