Air Conditioning Installation

Air Conditioning Installation in San Diego County and More

No AC in the California heat? Let’s fix that! A new air conditioning installation from Guthrie & Sons will bring cool comfort to every corner of your space. Whether it’s your home, rental, or business, we’ll install the right system, the right way.

The AC Installation San Diego Continues to Trust

When the heat waves start hitting San Diego, California, you want a cool space to come home to. You need a system that kicks on when it should, cools your home the way it’s supposed to, and doesn’t drive up your electric bill. At Guthrie & Sons Heating, Air & Solar, we install high-efficiency air conditioning systems built to last—and built for the way San Diego lives.

We offer residential and commercial air conditioning installation services in San Diego County plus Temecula and Murrieta for homes, rentals, offices, and new construction projects. We have helpful, highly trained technicians, and you’ll get clear pricing with great warranties and guarantees. For the new AC system San Diego, Clairemont, Linda Vista, Mission Beach, Pacific Beach, and more need to stay cool, count on Guthrie & Sons. Have questions? Ready for a quote? Contact us!

How Much Does an Air Conditioner Cost?

It’s the big question: how much does an AC installation cost? It depends on a few different things, like how big your home is, what type of AC you want, how energy-efficient you’re aiming for, and how complex the install might be. A good AC installation company will provide a clear, itemized price with everything there for you to see.

We Have Ways to Help You Save

Keeping your new AC system affordable is a big part of what we do.

Convenient Financing Options: We offer financing options so you can get the comfort you need now without waiting to save.
Special Offers: We run seasonal promotions throughout the year to help you save even more on new AC systems.
Tax Credits and Rebates: Our team will help you find any available incentives you qualify for and guide you through the paperwork.
Free Online Quoting Tool: You can explore your options and get real pricing estimates anytime, without having to call or schedule first.

Want help finding the best savings? We’re here! For the air conditioner install San Diego and more rely on for fast service and fair pricing, contact Guthrie & Sons.

12-Year Worry Free System

Swapping out an existing system? Make the new one worry free for 12 years.

For homeowners replacing an existing AC and furnace or heat pump, our 12-Year Worry Free System includes a 19 SEER2 ENERGY STAR Most Efficient system and 12 years of parts, labor and maintenance.

19 SEER2 ENERGY STAR Most Efficient system
12 years parts & labor
12 years of maintenance included
$0 repair bills for 12 years

System change-outs only. The 12-Year Worry Free System is for replacing an existing AC and furnace or heat pump in your home. It is not available for new installations or new construction.

As low as

$294/mo*

or $23,782 one set installed price

Everything included. No surprise repair or maintenance bills through 2038.

See the 12-Year Worry Free System

Not sure which option fits? Compare it in our free instant estimate. *$294/mo based on $23,782 at 10.49% APR for 144 months, on approved credit.

Why Work With Our Air Conditioning Installation Company?

There are plenty of air conditioning installation companies in San Diego that would happily take your business, but not all of them have your best interests in mind. Choosing the right team matters more than you think. Here’s why San Diego homeowners and businesses choose Guthrie & Sons for AC installation services and more:

Family-Owned and Operated

We’ve been serving San Diego since 2005, and we’re still proudly family-owned and operated today. When you work with us, you’re treated like part of the family—because you are.

NATE-Certified Technicians

Our San Diego AC installers aren’t just experienced; they’re nationally certified HVAC contractors. It’s the extra level of expertise that makes a big difference.

No Upsells or Sales Pressure

As your AC installation contractor, we’ll never push you into something you don’t need. We recommend what’s right for you, not our bottom line.

Excellent Customer Service

Our San Diego AC installation company is focused on making your life easier. We can easily be reached by phone and return your messages quickly. Everyone is caring and helpful.

Honest and Transparent Pricing

You'll always know what you're paying for and why it matters. We price our work honestly, without hidden fees or inflated markups, so you can trust every dollar goes toward quality.

We Back Our Work, Always

We provide the AC installation San Diego County and other nearby areas can feel good about from start to finish. Labor warranties and property protection guarantee protect your investment.

AC and HVAC Services

Our air conditioning services, including AC repair, AC maintenance, and AC replacement, help your system as it ages. Heating, indoor air quality, and solar services are available, too!

You shouldn't have to think twice about your air conditioner every time the weather heats up. A good San Diego AC installer gives you a dependable system, more predictable energy bills, and one less thing to worry about for the next handful of years. Sounds pretty nice, right? Talk to us about the AC installation San Diego, Santee, La Mesa, El Cajon, Poway, and Alpine homeowners use for their Southern California homes.

How Your San Diego Air Conditioning Install Will Go

Our process is simple because we think buying a new air conditioner shouldn’t be a long, complicated ordeal that causes you even more stress. We visit your home, take the time to size your system correctly, talk through your options, and explain every price. Once you give us the go-ahead, we'll schedule your installation, complete the work to code, and help you keep your system performing its best for years to come.

How To Buy The Best Air Conditioner

The new AC system San Diego homes need to keep cool doesn't have to be the most expensive system with all the latest technology. You have options, and we’ll make sure you get your money’s worth. Here are some things to keep in mind as you move forward with your San Diego AC installation:

Getting the Right Size AC Means Better Comfort and Fewer Problems

When you're investing in the AC installation San Diego CA families count on, proper sizing is one of the most important decisions you'll make. We perform a load calculation, which measures things like your home's square footage, insulation, windows, ceiling height, and sun exposure to determine how much cooling it actually needs.

That helps prevent an undersized system that struggles on hot days or an oversized one that cycles too often, wastes energy, and wears out faster.

Choosing an Energy-Efficient System Saves You Money

The air conditioner installation San Diego residents choose should help lower energy bills without paying for efficiency they don't need. SEER, or Seasonal Energy Efficiency Ratio, measures how efficiently an air conditioner cools your home. A higher SEER rating uses less electricity, but it also costs more upfront.

We'll explain what the different ratings mean, how much you could realistically save, and which option makes the most sense for your budget.

Picking the Right Features Makes Your Life Easier After Installation

The air conditioning installation San Diego homeowners often ask us about includes features that solve everyday comfort problems. Variable-speed systems don't just blast on and off like older units—they can run at lower speeds for longer periods, helping keep temperatures more even, remove more humidity, and use less energy.

We'll also explain options like smart thermostats and zoning so you can decide what's worth adding.

Installing the Right Type of System Fits Your Home and Future Plans

Not every house needs central air conditioning. The AC installation San Diego homeowners choose may be a traditional central system, but heat pumps are also a great option that provides both heating and cooling from one energy-efficient unit.

Ductless mini splits are wall-mounted systems that can be used to add AC and heat to homes without air ducts or spaces that are hard to keep at a comfortable temperature. Think bedrooms, offices, garages, attics, workshops, and older homes. We'll explain the pros and cons of each so you can make an informed decision.

Why You Should Never Skip AC Maintenance

Regular maintenance is the key to getting the most out of your new air conditioning system, no matter what type or brand you chose. San Diego stays warm for months, so we recommend scheduling a professional tune-up once a year, ideally before summer hits. During an AC tune-up, we'll clean the unit, check refrigerant levels, tighten connections, and confirm everything is running safely.

Skipping maintenance leads to higher energy bills, more frequent repairs, and a shorter system lifespan. A little care now can spare you a lot of headaches later.

Protect Your New AC System with A Maintenance Membership

Our USA Membership Plan takes the hassle out of regular AC maintenance. We'll remind you when it's time for service, so you never have to keep track or worry about missing a check-up. Members enjoy perks like priority scheduling, discounted service calls, and lower repair costs if anything ever comes up. Plus, staying current on maintenance keeps your extended warranties valid — a must for long-term protection. From full system cleanings to detailed inspections, we'll take care of your AC like it's our own.

See The Plan

INSTALLATION

Up to $1,000 Off a New System

Receive up to $1,000 in manufacturer rebates on select systems. Not valid on “Worry Free System”. 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 10/31/2026.

INSTALLATION

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. Not valid on “Worry Free System”. 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 10/31/2026.

REPAIR

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 10/31/2026.

WATER HEATER

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 10/31/2026.

Frequently Asked Questions

Every home is different, so AC installation cost depends on factors like the size of your home, the equipment you choose, ductwork needs, any electrical upgrades, and the efficiency rating of the system. We'll provide a detailed quote so you know exactly what you're paying for. Financing is also available if you'd rather spread the cost over time.

Most San Diego AC installation projects are completed in a single day, although larger homes or installations requiring ductwork or electrical upgrades may take longer. Before we begin, we'll explain the timeline so you know what to expect.

There's no bad time if your current system has stopped working, but replacing it before summer can give you more flexibility with scheduling. If you're planning ahead for an AC install in San Diego, appointments are often easier to schedule during the spring or fall. No matter when you're ready, we'll help you find the right system for your home.

Many people choose to add a smart thermostat during San Diego air conditioner installation because of their convenience and quality. You can adjust temperatures from your phone, set schedules that match your routine, and receive maintenance reminders. Many people also notice lower energy bills because the system isn't running as hard when nobody is home.

With proper installation and yearly maintenance, most air conditioners last around 12 to 15 years. Choosing an AC installation in San Diego from an experienced contractor also helps because correct sizing and installation play a major role in how long a system performs well.

The air conditioning install San Diego homeowners invest in will last longer with a little routine care. We recommend changing the air filter regularly, keeping the outdoor unit clear of leaves and debris, and scheduling a professional tune-up once a year so technicians can clean the system, inspect components, and catch small issues before they become expensive repairs. Our HVAC membership makes it all much easier to manage and gives you exclusive savings!

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.

Veronica Gomez

4 weeks ago

I recently scheduled an AC repair with Guthrie & Sons during the San Diego heat wave. Unfortunately, a same-day appointment wasn’t available, and we had to wait nearly a week for service. However, given the extreme temperatures and likely high demand, I completely understand the scheduling challenges. The appointment process itself was easy and straightforward. Communication was excellent throughout, with timely updates and confirmation of our appointment. Our technician, Daniel Wilson, was professional, knowledgeable, and able to diagnose the AC issue immediately. He identified a faulty capacitor and addressed the problem efficiently. My only reservation was the $475 cost to replace the capacitor, which seemed somewhat high for the repair. However, I appreciated the prompt diagnosis, professionalism, and overall smooth service experience. Thank you to Daniel and the Guthrie & Sons team for your assistance!

L A-G

1 month ago

Vlad T at Guthrie & Sons gave me a lot of information and recommendations for air conditioning for our house. He was professional and knowledgeable and gave me pros and cons for all of the options. I highly recommend working with him.

Valerie Williams-McGuire

1 month ago

My husband and I were so concerned about our Air Conditioner needing repair. First, an extreme heat wave is expected this week, and we couldn’t afford a huge AC repair bill. When I opened my front door, I was greeted by a kind smile. Zach listened to me explain the issue, asked a few questions, and promptly tested the unit. He was professional and honest. Zach explained that we needed a new capacitor, and assured us that everything else looked good. He showed me the old part and patiently suggested options that I had on ways to replace the part, and where I could purchase it, should I choose to do so. Zach also didn’t try to pressure us into buying something that we really didn’t need, like a total replacement. I have dealt with high pressure scammers before. Zach is different. He really cares. I will definitely be sharing this business with any of my family and friends who need assistance with their air conditioning, and we will call Zach if we ever need help again. Thanks again Zach!

Nancy Beattie

2 months ago

Guthrie & Sons installed, and all electric heat pump system for myAC And heating needs. Vlad Thoroughly surveyed my home and needs, answered my many questions, and designed the system as well as additional options. Installation was scheduled in just a few days, and Christian, Michael, and.Andriy showed up on time and completed the installation in just one day. The small space and limited access where my old furnace had been became an issue, but Michael presented a creative solution that worked. I couldn’t be happier and would not hesitate to recommend Guthrie.&Sons.

Minh N

2 months ago

I had my HVAC system replaced by Guthrie & Sons and was impressed throughout the entire process. The crew showed up right on schedule, laid down drop cloths, draped the work area with plastic, and handled the removal and installation with care. Everything was completed in one day, exactly as promised. A minor issue came up after the install, and they responded right away and fixed it without any hassle. Professional, reliable, and easy to work with. Highly recommend.

Dan Davidson

2 months ago

Our Technician Zach was extremely Knowledgeable and professional when it came to our HVAC system. He also has great communication skills when describing any issues with our system. I would highly recommend Guthrie & Sons Heating, Air, and Solar.

John Wood

2 months ago

Every part of this experience shows the value of working with well-organized and personable firms. From the moment I contacted Guthrie & Sons, every part of the experience has been first-rate. I had one cheaper quote, but the professionalism of this team convinced me that with an investment like this, it was worth it to work with THE A TEAM. Highly recommend!

Christiana Hellinga

3 months ago

Easy company to work with and quick scheduling from initial consultation to work completed. Mario came out for the initial consultation and James & Andriy completed the work of replacing our ducts. All three were professional, kind, and informative. I was surprised they were able to take out our duct work and replace it all in one day and I super appreciate that they crawled around in our short attic in this summer heat. They will be my recommendation for hvac needs.

Rex Roe

4 months ago

Guthrie and sons are our Go To for all things AC! Easy to schedule service and very friendly staff. Mario came out today and quickly determined our issue and got us back on track. Thanks so much!

jacqulinet1

4 months ago

I am very pleased with the service I received for replacing my furnace in my second story condo. This company really tries to please their customers, which is rare these days. Matthew and James were pleasant, knowledgeable and patient with my questions. The office was great about staying in touch regarding date and time to expect the technicians and providing the number to call for questions. I sam so happy I chose this company to do the job.

Keith Mar

4 months 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.

Darrell Brookstein

5 months ago

Have dealt with Guthrie & Sons regularly for more than 12 years. They are super good in every way re: heating and A/C. Special shout-out to their service man, Mario F, who checked out our systems yesterday. He was extraordinary and really helped us on several issues we noted, and a couple of issues he brought to our attention. Kudos!

Jim Hainline

5 months 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

5 months 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

7 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

7 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

8 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

8 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

9 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

9 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!

Request a Free Quote for Your AC Installation in San Diego County and More

You deserve a company that will do your San Diego AC installation quickly and correctly, not drag things out or leave you with problems to deal with later. As a family-owned business built on hard work and honest values, Guthrie & Sons Heating, Air & Solar takes care of you every step of the way.

We pass every available savings straight on to you, and we focus on getting your system installed properly and providing the ongoing support you'll need for years down the line. Call today or request your free quote online—we can't wait to help you stay comfortable!

8248 Ronson Road
San Diego, CA 92111

(619) 269-3013

Air Conditioning Installation