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.

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 $1,500 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.

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. 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.

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 7/31/2026.

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 7/31/2026.

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.

Rex Roe

2 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

2 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

2 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

3 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

3 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

3 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

5 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

5 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

6 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

6 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

7 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

7 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

7 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

7 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

8 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

8 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

8 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

8 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

9 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

9 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 🙂

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