Serra Mesa, San Diego Air Conditioning Repair

Air Conditioning Repair in Serra Mesa to Get Your AC Back Today

When your air conditioner quits, it’s frustrating and stressful. You’re left wondering what went wrong, how serious it is, and how much it’s going to cost. At Guthrie & Sons, we take all of that worry off your shoulders by giving you clear answers and upfront pricing right from the start. We’ll figure out the problem, walk you through your options, and get your air conditioner running again. Call us today or book your air conditioning repair in Serra Mesa, San Diego online.

Schedule a Same-Day Air Conditioner Repair With Guthrie & Sons

Is your air conditioner suddenly blowing warm or making strange noises? Does it keep turning off…or is it not even turning on at all?

At Guthrie & Sons Heating, Air & Solar, we provide air conditioning repair services for these issues and more. Our second-generation, family-run company has been in San Diego, California, since 2005, and we know first-hand how intense the summer heat and the Santa Ana winds can be. But no matter what’s happening outside, you deserve to have your home or business stay at a cool and comfortable temperature inside. If you’re having AC issues, we’re ready with 24/7 live answering and expert NATE-certified technicians. Contact Guthrie & Sons to schedule your air conditioning repair in Serra Mesa, San Diego, CA.

Expert AC Repairs From a Local, Family-Owned Heating and AC Company in Serra Mesa

Expert AC Repairs From a Local, Family-Owned Heating and AC Company in Serra Mesa

As a longtime local company, chances are you’ve seen our vans around the San Diego area. Guthrie & Sons Heating, Air & Solar proudly serves all of San Diego County and works in single-family homes, condos, townhomes, and small businesses throughout the community.

If you’ve been searching for an air conditioning service near me, we’re right in the neighborhood, helping customers near the Serra Mesa Recreation Center, along Ruffin Canyon, or in neighborhoods like Lincoln, Cabrillo Village, Cabrillo Heights, Mission Village, and Birdland. When you need clear answers and dependable service, trust the experienced technicians at Guthrie & Sons for your Serra Mesa, San Diego air conditioning repair. Emergency service is available!

How Much Do Air Conditioner Repairs Cost?

How Much Do Air Conditioner Repairs Cost?

We know the first thing on your mind is the price. While we can’t give you an exact number until we take a look at your system, we’ll get you that information as soon as we’ve done an inspection. Here’s what we can tell you right now:

  • Some repairs cost more than others. Smaller fixes like clogged drain lines, dirty filters, or failed capacitors are on the lower end. Larger repairs, like compressors or control boards, are at the top of the scale.
  • You’ll always get a clear, upfront quote. Once we’ve diagnosed the problem, we’ll explain what’s needed and the exact cost. Once you give the go-ahead, we’ll start right away.
  • We come prepared so you’re not waiting on us. Most of the time, we can make the repair right then and there. If a special part does need to be ordered, we’ll tell you exactly what to expect and keep things moving quickly.


Our pricing is fair, our work is done by licensed and trained technicians, and we show up when we say we will. Friendly, reliable, and thorough—you really can’t ask for much else! Schedule your Serra Mesa air conditioner repair today.

Fast AC Repair Services That Fully Solve the Problem

Fast AC Repair Services That Fully Solve the Problem

Your air conditioner doesn’t have to completely quit for it to need service. If it’s cycling on and off too often, blowing warm air, or making new noises, running it anyway can cause more damage. If something doesn’t seem right, it usually isn’t. Guthrie & Sons can track it down and fix it. Here are some of our most common air conditioner repair services in Serra Mesa so you can know what comes next.

If your air conditioner won’t turn on, start with the basics—thermostat settings and breakers. If those check out, the issue is often a failed capacitor, bad contactor, or damaged electrical connections in the outdoor unit causing electrical problems. Our air conditioning technicians test incoming voltage, inspect control boards, and verify safety switches before replacing the faulty part. Once repaired, we test the full startup cycle to ensure everything runs safely.

When the AC runs but the house won’t stay cool, it usually comes down to low refrigerant, a dirty evaporator coil, or restricted airflow. A refrigerant leak reduces cooling capacity and can eventually damage the compressor. We check system pressure, inspect coils, and measure temperature drop across the system to confirm what’s wrong. Then we fix the leak or airflow issue to restore your home comfort.

If your system keeps shutting off before reaching the set temperature, that’s called short cycling. It can happen from overheating in direct sunlight, a clogged condenser coil, or an oversized system that cools too quickly. Our air conditioner contractors test temperature sensors and inspect outdoor components to see why it’s shutting down early. Correcting it protects the compressor from unnecessary wear.

Banging usually means a loose or failing internal part. A damaged blower wheel, loose fan blade, or failing motor bearing can cause vibration and noise. We open the cabinet, inspect moving components, and check for corrosion or mounting issues. Tightening or replacing worn parts early prevents more complex internal damage.

If you notice water around the indoor unit, the condensate drain line may be clogged or the drain pan damaged. Excess moisture buildup can also come from a frozen evaporator coil that later thaws. We clear the drain line, test the float switch, and check for blockages to prevent overflow. Fixing drainage issues quickly helps avoid drywall and flooring damage as well as mold growth.

If airflow feels weak, the blower motor may be struggling or the evaporator coil could be coated in dust. A dirty filter or collapsed duct section can also restrict circulation. We measure airflow output, inspect duct connections, and test motor amperage to confirm performance.

Air Conditioning Services for Every Repair and Upgrade

At Guthrie & Sons, our Serra Mesa AC services cover residential air conditioning repair and:

  • Air Conditioning Maintenance
  • Air Conditioning Replacement
  • Air Conditioning Installation


We work on all makes and models, including central air conditioners and heat pumps. If a repair isn’t the right move—whether due to system age or a major component failure—we’ll explain why and walk you through how quickly we can complete your AC replacement.

If your system is 12+ years old and breaking down more often, a new air conditioning system can run more efficiently and give you fewer headaches. You can check out our pricing information and use our free online quoting tool to see what your project might look like. We also offer financing options with approved credit. From heating and cooling to indoor air quality and solar, Guthrie & Sons can get it done!

Keep Repairs Rare and Summers Comfortable With Our Maintenance Plan

Keep Repairs Rare and Summers Comfortable With Our Maintenance Plan

A lot of the AC repairs we see in Serra Mesa trace back to poor maintenance that could have been avoided. When filters clog, coils get coated in dust, or refrigerant levels drop, the system can’t move heat the way it should. That extra strain adds up and forces parts to wear out faster.

Scheduling regular maintenance gives us the chance to clean components, check refrigerant levels, tighten electrical connections, and test performance before small issues grow. Keeping everything tuned up helps your equipment stay dependable and helps you spend less on your energy bills and extra repairs. If you don’t want to keep track of service dates, our USA Membership Plan keeps your system on schedule automatically so nothing gets overlooked.

What You Get With the Guthrie & Sons USA Membership Plan

Want an air conditioner that’s more reliable, uses less energy, and lasts longer? Here’s what’s included:

  • Service reminders so you never miss a tune-up
  • Priority scheduling when you need us fast
  • 15% off any repairs
  • Reduced service call fees
  • Extended 5-year parts and labor warranty
  • Seasonal tune-ups for heating and cooling systems


You can sign up right through our office or ask your technician when they’re at your home. Many of our Serra Mesa customers have already signed up!

Frequently Asked Questions

The $5,000 rule is more of a guideline than a strict rule. You multiply the age of your system by the repair cost, and if the total is over $5,000, replacement is often the smarter financial move. It helps homeowners think long-term about efficiency and reliability instead of continuing to invest in equipment that may be nearing the end of its lifespan.

The most common AC repair usually involves a failed capacitor, clogged condensate drain line, dirty coils, or low refrigerant levels. These problems often develop from wear and tear or skipped maintenance. Addressing issues promptly prevents extra strain on major components and helps keep the system running efficiently.

The compressor is typically the most expensive part to replace. It’s responsible for circulating refrigerant and allowing the system to remove heat from your home. When a compressor fails, homeowners often compare the cost of repair against replacing the unit, especially if the system is older.

In most cases, homeowners' insurance does not cover standard mechanical breakdowns or poor maintenance. However, damage caused by a covered event—such as a lightning strike or storm-related power surge—may qualify. Routine service helps keep your home cool and reduces the risk of unexpected failures that insurance won’t cover.

Heating and Cooling Offers You Can't Miss

Big savings, same great service. See what offers are available now for our favorite customers.

Up to $1,500 Off a New System

Receive up to $750 in manufacturer rebates and up to $750 discount from Guthrie. Valid on select systems. Must mention promotion at time of estimate appointment. Not valid on prior sales. Cannot be combined with any other offers. Restrictions apply. See dealer for details. Offer expires 7/31/2026.

0% APR for 24 Months

Get 0% APR financing for 24 months on a new heating or air conditioning installation. 0% interest with 24 equal monthly payments.

Financing subject to credit approval. Valid on select systems only. Valid on residential properties only. Cannot combine with other offers. Must mention promo at time of estimate appointment. Restrictions apply. See dealer for details. Offer valid for an estimate appointment scheduled before 7/31/2026.

Free Diagnostic w/ a Repair

Your diagnostic service call fee will be waived if you proceed with a repair.

Cannot combine with other offers. Restrictions apply. See dealer for details. Offer expires 7/31/2026.

Free Estimate on a New Heat Pump Water Heater Installation

Valid for an estimate for a new hybrid heat pump water heater installation or replacement.

Restrictions apply. See dealer for details. Offer expires 7/31/2026.

Real Reviews From Real Customers

We do things differently, and our customers appreciate it. See what some of our thousands of satisfied customers have to say about working with us.

Keith Mar profile picture
Keith Mar
3 weeks ago
I was told by a couple other companies that I needed to replace my system. Vlad came out and made sure that my old system actually needed to be replaced and found it could be fixed for a fraction of the price. I appreciate the honesty and would definitely recommend. Edit the technician came out and made the repairs. He did a good job of explaining the situation and giving a couple options.
Jim Hainline profile picture
Jim Hainline
1 month ago
We had Rob from Guthrie & Sons come out to repair one of our A/C units. Rob was very friendly and professional. Rob resolved the problem quickly.
As far as price goes, I paid a higher flat fee 12 years ago from one of the larger local companies. I'm very impressed with pricing and quality of work.

I highly recommend Guthrie & Sons and Rob.
Amy Graeber profile picture
Amy Graeber
1 month ago
Great experience! The company confirmed my appointment and let me know who my technician was via text. They also updated me when he was on his way. The technician was friendly and knowledgeable. I’d recommend Guthrie & Sons to friends and family.
Bobby Orozco profile picture
Bobby Orozco
4 months ago
Great experience working with Guthrie & Sons from start to finish. Vlad was awesome. He was incredibly knowledgeable and explained everything in detail. Stark contrast from other companies we received bids for.

Christian and his crew did a great job on the install everything was smooth from start to finish.

I would definitely recommend this company here in Murrieta.
Sharon Troeger profile picture
Sharon Troeger
4 months ago
Guthrie & Sons has always been super professional and knowledgeable about our system. They did the install a few years ago and have continued to maintain it for us. This year we noticed that our system wasn't performing as well, so when Wayne came out, he noticed a likely leak and was back 2 days later to find and fix it. He was quick, professional, and just extremely nice! 100% recommend.
Jeff Haight profile picture
Jeff Haight
4 months ago
Called one of the "big guys" in town and the estimate to do what needed to be done to diagnose my problem was nearly 1/2 the cost of the system when I purchased it and had it installed 5.5 years ago, I found Guthrie & Sons and they came out the same day and did the same work for 1/4 the price I was quoted for the same exact work! Daniel was friendly, honest and quickly got my system working as expected. I even purchased the service plan so I don't have future problems. I highly recommend these guys, they were awesome, don't get ripped off call Guthrie & Sons!!!
Rocky profile picture
Rocky
5 months ago
I highly recommend Guthrie & Sons; from setting the appointment to the actual service!! Daniel was prompt, able to take care of our issue at a very reasonable price. I will be using them for all our needs in the future!!!! Thanks Daniel and Mackenzie.....you were great!!
Troy Nabatilan profile picture
Troy Nabatilan
5 months ago
Matt and Bryan are truly the A-Team! Their teamwork was outstanding and the workmanship was meticulous. The air handler was carefully installed, wiring neatly secured, plenum perfectly fitted, and the condenser precisely positioned and leveled for proper clearance and vibration control. The line set was pressure-tested and vacuumed as well. They also left the work area clean and neat.

Please congratulate them for a job well done!
Johnathan Yang profile picture
Johnathan Yang
6 months ago
Guthrie and Sons was very professional and communicative. Matthew and Bryan did incredible work, and followed up with a lot of testing to make sure my new unit was functioning well. They went above and beyond to ensure that things were done correctly. I could tell their standards were extremely high, and I felt relieved seeing how much care they took in their installation. I’m very pleased with the result!
Sunyim Kim profile picture
Sunyim Kim
6 months ago
I called to estimate to install central air conditioner on our second floor condo. Manager came the next day very punctual and knowledgeable about the process. He listened carefully our concerns and let us to make a decision. We truly appreciate his professionalism. Thank you for your service and I would recommend anyone who needs heating and air conditioning services in San Diego.
saul profile picture
saul
6 months ago
Guithre and Sons distinguish themselves not only through their high level of professionalism but also by their unwavering commitment to the quality and durability of every product they sell and the meticulous craftsmanship involved in each project. The company operates with a strong dedication to integrity and respect, fostering long-term relationships with clients and suppliers alike. They prioritize transparency and ethical standards in all business dealings, ensuring customer satisfaction and trust at every interaction. Their customer service team is exceptionally responsive and knowledgeable, consistently exceeding expectations to resolve issues swiftly and effectively.
Ariana Lujan profile picture
Ariana Lujan
6 months ago
Very helpful, quick and easy to schedule! We had an unexpected (but necessary) repair when doing maintenance and both the office and tech Carson were thorough and transparent in their support. Great service!
Graham Davis profile picture
Graham Davis
6 months ago
After dealing with several HVAC companies, Guthrie & Sons clearly stood out as the most ethical, honest, and reliable. From the very beginning, their approach felt transparent and genuinely focused on what was best for us—not on upselling or unnecessary replacements.

We worked with Vlad T., who had previously been out to our home and saved us tens of thousands of dollars by getting our existing AC unit up and running when other companies were pushing for a full replacement. That experience alone earned our trust.

Now that we’re finally ready to purchase new units, there was no question that Guthrie & Sons was the only company we would consider, and Vlad was the obvious choice. He was extremely professional, punctual, and exceptionally knowledgeable, taking the time to explain options clearly and thoroughly. His expertise and honesty made the entire process straightforward and stress-free.

If you’re looking for an HVAC company you can truly trust—one that values integrity, quality workmanship, and customer service—I cannot recommend Guthrie & Sons and Vlad T. highly enough. This is how service should be done.
Blas Falconer profile picture
Blas Falconer
6 months ago
The layout of my condo made installing splits challenging, and before I met with Guthrie and Sons, three companies either told me that it couldn't be done. Vlad studied my apartment until he found a way to install with minimal openings in the walls and without a second condenser. Mallory, who works in the office, always followed through and advised me when I ran into a hiccup and needed detailed plans for the city. My HOA appreciated Guthrie and Sons' thoroughness and was so impressed with the design, that another resident who had been wanting splits for years, decided to install splits at the same time. The team that came in was knowledgeable, professional, and hard working. They finished a day ahead of time. I'm thrilled with the way everything looks and works.
Rob profile picture
Rob
6 months ago
This is by far the best company for your HVAC needs. They are honest very caring. Good fair pricing and got the job done efficiently and on time. I also signed up for their bi-yearly service which they performed the winter one and went very well. Thanks
Tania Reyes profile picture
Tania Reyes
8 months ago
I’ve been using Guthrie & Sons for over 15 years. They installed my whole AC system and maintained it all those years and never had an issue. Well it was time for an upgrade and they’ve recently installed my second system. The team 15 years ago and the team this time around were both amazing, professional and clean. I can’t recommend them enough Matt, Ben, Christian and Bryan get 10 stars. They are a bit pricier but worth the investment when you have peace of mind and almost two decades of great service and no issues.
Trejos Marcela profile picture
Trejos Marcela
8 months ago
I had an excellent experience with Guthrie & Son AC & Heater Company. Their customer service was outstanding, and they took the time to answer all my questions thoroughly. Every technician who has worked on my AC/heater installation and now the ongoing service has been knowledgeable, respectful, and always on time. I highly recommend them to anyone in need of HVAC services!
I only wish the annual service was cheaper 🙂
Paula Remmel profile picture
Paula Remmel
8 months ago
I have a maintenance plan for my heat pump and air conditioner which Guthrie & Sons installed two years ago. I am very happy with my system as well as the maintenance plan. Wayne, one of their excellent technicians, just completed the Fall service and now the system is ready for winter use. He is knowledgeable and has been able to answer any questions I have about my system. In addition, the office at Guthrie & Sons is very responsive and follows through on any questions and concerns within 24 hours if not immediately. Great service from a great company.
Bill Cogan profile picture
Bill Cogan
8 months ago
Guthrie & Sons responded immediately to my online request, and was able to send someone out immediately. Zack, our technic-ian was very friendly, professional, knowledgeable and gladly answered all of our questions. He found the problem immediately, and left the work area clean and in good order. We would highly recommend Guthrie & Zack! They are real assets to our community.
Dani P profile picture
Dani P
8 months ago
I've been using Guthrie & Sons for over 10 years and two homes. I really like that they are a family-owned and an established business. Always professional, on time, and always quality work. I've used their services from simple routine maintenance to having a new AC installed.I've never had a bad or even mediocre experience; I'm just always overall pleased with their work.

Contact Us for Your Air Conditioning Repair in Serra Mesa, San Diego

Serra Mesa is right in the heart of San Diego, and it should feel good to come home here. If your AC isn’t keeping up or has completely called it quits, it’s a job for Guthrie & Sons Heating, Air & Solar. 

As your local AC repair company in Serra Mesa, we treat your home like it’s our own and your time like it matters because it absolutely does. We know an air conditioner problem isn’t something you want to deal with today, so we make scheduling simple and the repair process straightforward. Our team lives and works right here in San Diego, and we’re ready to help! From areas near Cabrillo Heights Park to Murray Ridge Park and Fletcher Elementary School, we’re here for you. Call or book your Serra Mesa air conditioning repair online today.