Solar and HVAC Services in La Mesa, CA

Guthrie & Sons is Your HVAC Contractor in La Mesa

La Mesa, California, gets those warm, sunny days and cooler evenings, so your system is always working to balance things out. Every property needs a good HVAC company to make sure everything is running the way it should—and that’s what we do. At Guthrie & Sons Heating, Air & Solar, we take care of local homes and businesses, plus all the people inside them, too! Whether you need a repair, replacement, or maintenance, we’re here to help as your trusted La Mesa HVAC contractor.

Contact Us for Heating, Cooling, Indoor Air Quality, and Solar Services in La Mesa

Contact Us for Heating, Cooling, Indoor Air Quality, and Solar Services in La Mesa

Here in the “Jewel of the Hills”, homes can look very different depending on where you are—on a hillside, in the Village, or somewhere in between. Some rely on central ACs or heat pumps to stay cool, while others use mini split air conditioners. 

 

And while there are plenty of HVAC contractors in La Mesa, choosing the right one makes a big difference in how your system performs and how much you pay for it. You don’t just want experience—you want true expertise. And you don’t just want “good enough”—you want someone who goes above and beyond. Guthrie & Sons Heating, Air & Solar is a local HVAC company in La Mesa that’s been earning the community’s trust since 2005. We provide residential and light commercial HVAC services across San Diego and East County. Whatever you need, we’re ready to help—contact us today!

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The HVAC Contractor La Mesa Has Relied on for Decades

The HVAC Contractor La Mesa Has Relied on for Decades

When you’re searching for “HVAC contractors near me,” it’s worth taking the time to do your homework. Here’s a little more about our local La Mesa HVAC company and how our team shows up to better serve you.

Our technicians show up on time, in uniform, and ready to get to work. We explain what’s going on, what needs to be done, and make sure your HVAC or solar system is doing what it’s supposed to. We respect your home and leave things the way we found them.

You’ll know the cost before any work begins. No hidden fees, no vague numbers. We also offer an easy online quoting tool so you can explore options ahead of time. We walk you through everything so you can make a decision that feels right.

Our NATE-certified (North American Technician Excellence) technicians have received advanced training to be recognized as some of the best in the industry. From installs to repairs, we do it all and stand behind our work with service guarantees.

We’re proud to be one of the few family-owned HVAC contractors in La Mesa. Guthrie & Sons has been working in San Diego County since 2005 and is now a second-generation company. We’ve held onto the same approach from day one—do the work right and take care of people.

You’ll always know where you stand with us. We’ll walk you through what we’re seeing, what your options are, and what we’d do if it were our own system. No pressure, no pushing the most expensive upgrades—just clear guidance you can use to make informed decisions.

Save on Repairs, Service, and Time with the USA Membership Plan

Most HVAC systems give you warning signs before something goes wrong—but it’s easy to miss them. That’s when small problems turn into bigger, more expensive ones. The Guthrie & Sons USA Membership Plan is designed to help you stay on top of it without having to think about it.

We handle the timing, service reminders, and maintenance so your system stays in good shape. That means fewer breakdowns and less time dealing with unexpected issues. Membership benefits include:

  • Priority scheduling so you’re at the front of the line when something goes wrong
  • Automatic reminders so you never have to track service dates yourself
  • Repair discounts that help lower the cost when something needs to be fixed
  • Preventive checkups to catch small issues before they turn into bigger problems
  • Additional member perks that add value throughout the year


It’s an easier way to manage your system and your budget. You can learn more on our website or call our office to speak with someone!

Need Help With Your Budget? Talk to Us About Special Offers, Financing, and More

We know that HVAC work isn’t always planned, and we also know that you’re always looking for ways to save. Our pricing is fair for the work involved, and we’ll be upfront about it from the start. We also run seasonal offers and help you find rebates or incentives when they’re available. If you need a little more room in your budget, ask us about HVAC financing. As your La Mesa HVAC contractor, we’ll help you in every way possible.

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Heating and Cooling Services in La Mesa, CA to Keep You Comfortable

Heating and Cooling Services in La Mesa, CA to Keep You Comfortable

From areas around Mount Helix and Lake Murray to the Village, Grossmont, and Fletcher Hills, La Mesa is a place where people stay active and out in the sun. But when you’re back home, you should be able to cool off and get comfortable—and that starts with your HVAC system.

At Guthrie & Sons, we’re proud to be the La Mesa HVAC contractors people call for quick service and fair pricing. Whether you need a repair, routine maintenance, or a full system upgrade, we’re ready. Take a look at our heating and air conditioning services in La Mesa below and let us know what you need.

Air Conditioning Services

Air Conditioning Services

La Mesa sits just far enough inland to feel the heat a little more, especially in the afternoon and early evening. Homes here warm up fast, and your AC ends up doing most of the work for months at a time. At Guthrie & Sons, our cooling services in La Mesa help your system stay consistent so your home stays comfortable, even when temperatures hang on later in the day.

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Homes in La Mesa vary a lot—some have been remodeled, some have additions, and not all were originally built for central air. With our air conditioning installation in La Mesa, we make sure the system fits the layout and moves air the way it should. From equipment selection to final testing, we set it up so cooling feels even throughout the home.

Between dust, steady use, and long run times, AC systems here need regular attention to stay on track. Our air conditioning maintenance in La Mesa includes coil cleaning, refrigerant checks, electrical testing, and airflow inspection. Keeping everything clean and dialed in helps your system cool faster and avoid unnecessary strain.

If your system is running but the house still feels warm, or it won’t turn on at all, it’s time for air conditioning repair in La Mesa. We deal with issues like bad capacitors, low refrigerant, airflow restrictions, and failing components that show up under load. We’ll find what’s actually causing the problem and get it working again.

When your system can’t keep up with the heat or keeps needing repairs, you may need an air conditioning replacement in La Mesa. Older units often run longer without improving comfort, especially during peak hours. We remove the old system, install the new one properly, and make sure it’s set up to handle how your home heats up throughout the day.

Mini Split Services

Mini Split Services

Mini splits are everywhere in La Mesa for a reason. A lot of homes here have rooms that just don’t cool right—upstairs bedrooms, garage conversions, additions, or spaces that get hit with afternoon sun. Instead of forcing your main system to work harder, mini splits handle those areas directly. Guthrie & Sons provides ductless mini split services in La Mesa, covering installs, maintenance, and replacements to keep those spaces comfortable.

A mini split installation in La Mesa includes an outdoor unit, indoor air handlers, and the lines that connect everything together. We install them in the rooms that need the help—offices, back bedrooms, ADUs, or anywhere that runs warmer than the rest of the house. In smaller homes or properties, these systems can also be used on their own, set up in zones to handle the entire space.

Mini splits run a lot here, and over time, dust builds up inside and starts to slow things down. Our mini split maintenance in La Mesa includes cleaning the inside of the unit, clearing the drain, and checking that everything is running the way it should. It’s a quick service that keeps the system from falling off.

If your mini split isn’t keeping the room as cool as it used to or it’s running longer to get there, it may be wearing out. You’ll usually notice it most in the afternoon when the heat sticks around. Our mini split replacement in La Mesa changes it to a system that can handle that space again. 

Heat Pump Services

Heat Pump Services

Heat pumps are getting popular in La Mesa because they’re super energy efficient and can help save you money. Instead of creating cool air like traditional HVAC systems, they move heat out of your home, which uses less energy and keeps temperatures more consistent during long warm days. With California pushing for more electric systems, more homeowners are making the switch. Our heat pump services in La Mesa include installation, maintenance, repair, and replacement, so whatever you need, we can do it.

A heat pump installation in La Mesa includes setting up the outdoor unit, indoor air handler, and all the connections that allow the system to move heat out of your home. We look at how your space is laid out—sun exposure, upstairs rooms, airflow—and size the system so it can keep up. When everything is installed properly, the system cools evenly without constantly running.

Because heat pumps run so often here, dirt buildup and wear can show up faster than expected. Our heat pump maintenance in La Mesa involves cleaning coils, checking refrigerant levels, testing electrical parts, and making sure airflow isn’t restricted. It’s the kind of routine service that keeps your system cooling the way it should instead of slowly falling behind.

If your heat pump is running but your home still feels warm, or it takes longer than usual to cool down, something’s off. Our heat pump repair in La Mesa covers common issues like low refrigerant, weak electrical components, or airflow problems that affect cooling. We find what’s causing the issue and fix it so your system can keep up again.

If your system runs longer, struggles during hotter parts of the day, or needs frequent repairs, let’s talk about what a heat pump replacement in La Mesa can do for you. Older systems lose efficiency and have a harder time keeping up with demand. We’ll replace it with a system that’s set up to cool your home more effectively.

HVAC Services

HVAC Services

In La Mesa, your HVAC system has to handle warm afternoons, heat that lingers into the evening, and cooler nights that don’t last long. It’s not just about cooling or heating—it’s about how the whole system works together day to day. Guthrie & Sons’ HVAC services in La Mesa cover everything from new installs to repairs and replacements, so your setup actually keeps up with the way your home feels.

For your HVAC installation in La Mesa, we look at how your home handles heat—sun exposure, layout, insulation, and airflow. Some homes do well with a central AC and furnace setup, others are better suited for a heat pump, and some benefit from adding ductless units in warmer areas. We make sure the system fits how your home actually performs, not just the square footage.

With how often systems run in La Mesa, skipping maintenance usually shows up fast. Cooling performance drops, parts wear out sooner, and small issues turn into repairs. Our HVAC maintenance in La Mesa keeps everything cleaned, checked, and running the way it should. It also helps you stay in line with manufacturer requirements if your system is still under warranty.

When your system isn’t turning on, isn’t cooling, or just can’t keep up, you don’t want to wait around—that’s why same-day HVAC repair in La Mesa is standard for us. Before you call, it’s worth checking a few basics: make sure your thermostat is set correctly, check the breaker, and see if the filter is clogged. If everything looks fine and it’s still not working, that’s where we come in. 

We weigh the pros and cons of HVAC replacement in La Mesa based on your heating and cooling equipment—what it’s costing you now, how it’s performing, and what a new system would actually improve. If replacement is the better move, we’ll move fast so you have a working HVAC system again.

As a Daikin Pro Elite Contractor, we offer HVAC system monitoring in La Mesa for compatible systems. These systems track performance in the background and flag issues early—like unusual run times or system alerts. That gives us a heads-up before something turns into a bigger repair, and helps keep your system running with fewer surprises.

Heating Services

Heating Services

La Mesa stays warm most of the day, but once the sun drops—especially in the hills or more open areas—you’ll feel the temperature change pretty quickly. Homes that hold heat during the day can cool off fast at night. When that happens, you need a system that responds without any issues. Guthrie & Sons provides heating services in La Mesa for furnaces, heat pumps, and ductless mini splits to keep your home comfortable when the temperature dips.

Heating installation in La Mesa needs to account for how homes are built and where they sit—hillside properties, older layouts, and additions can all affect how heat moves through the space. Placement, airflow, and access all matter here, especially in tighter or split-level homes. The goal is a system that runs safely and heats the space without uneven spots or issues.

Heating systems here can sit for months, then suddenly get used when it cools off. That’s when problems show up. Our heating maintenance in La Mesa includes checking ignition, cleaning components, testing controls, and making sure everything runs safely. It’s an hour or so service appointment that helps avoid issues when you need heat.

If your heater isn’t turning on, is blowing cool air, or keeps cycling, it needs attention. A lot of heating repair calls in La Mesa come down to igniters, thermostats, or airflow problems. We offer same-day heating repair in La Mesa so you’re not waiting around when it’s cold. We’ll find the issue and get it working again without dragging things out.

A heating replacement in La Mesa usually comes up when the system stops turning on reliably or doesn’t heat the home evenly anymore. Even with lighter use, parts wear out and performance drops. We look at how your current system is working, what repairs would cost, and what a new system would change. Then we install something that fits the home and works without the same issues.

Furnace Services

Furnace Services

A lot of homes in La Mesa still rely on furnaces, especially in older neighborhoods and central HVAC setups. They may not run all year, but when the temperature drops at night, you expect them to turn on and work. Our furnace services in La Mesa are here to keep your system reliable or help you figure out your next step if it’s not.

A furnace installation in La Mesa is about making sure the system fits the home and the existing setup. A lot of homes here have older ductwork or layouts that can affect how heat moves from room to room. We install furnaces to code, check airflow, and make sure everything is connected and running safely. 

Since furnaces sit unused for long stretches in La Mesa, problems usually show up when you first turn them on. Dust buildup, worn igniters, or loose connections are common. Our furnace maintenance in La Mesa includes cleaning, testing ignition, checking safety controls, and making sure everything starts up and runs properly. 

When a furnace stops working in La Mesa, it’s usually right when you finally need it. You turn it on, and nothing happens—or it starts up but the air isn’t warm. A lot of calls come down to ignition issues, dirty sensors, clogged filters, or thermostats not communicating properly. Our furnace repair in La Mesa focuses on getting it running again quickly and safely.

Older furnaces can wear out or fall behind. We’ll look at how your current system is performing, what repairs would involve, and what your furnace replacement in La Mesa would improve. If a new system is the better move, we’ll install one that fits your home and works the way you expect.

Indoor Air Quality Services in La Mesa for Cleaner, Fresher Air

Indoor Air Quality Services in La Mesa for Cleaner, Fresher Air

La Mesa’s dry conditions and steady sun mean your home is often sealed up to keep the heat out. But when air isn’t moving in and out, dust, particles, and odors tend to stick around. Older duct systems can also pull in debris from places you don’t see. You might notice it in how often you’re dusting or how the air feels by the end of the day. Guthrie & Sons’ indoor air quality services in La Mesa focus on cleaning that air, improving circulation, and helping your home feel better to be in.

A lot of homes in La Mesa see a lot of dust getting pulled in through attic ducts or older return systems. You’ll see it build up faster than expected, especially when your AC is running a lot. Our air purifier installation in La Mesa works with your system so filtration happens every time air moves through it. If yours isn’t keeping up, our air purifier repair in La Mesa gets it back to where it’s actually cleaning the air.

In La Mesa homes with gas furnaces, water heaters, or garage access, carbon monoxide detection isn’t optional—it’s necessary. The key is putting detectors where they’ll catch an issue early, not just anywhere on the wall. Our carbon monoxide detector installation in La Mesa is based on how your home is laid out and where risk exists.

Most of La Mesa is dry, but that doesn’t mean every part of the home is. We see moisture build up in back rooms, bathrooms, or areas with limited airflow. That can leave the air feeling off or heavier than it should. Our dehumidifier installation in La Mesa helps balance that out through your system. If it’s not doing its job, our dehumidifier repair in La Mesa gets it working again.

Duct issues are common in La Mesa, especially in homes that have been remodeled or expanded over time. Gaps in the ductwork let air escape and pull in attic dust at the same time. Our duct sealing in La Mesa closes those leaks so air makes it to the rooms you’re trying to cool. It’s one of the most direct ways to improve airflow and cut down on dust.

If your system runs a lot—which it does here—basic filters can only do so much. Fine dust and particles keep circulating through the air. Our media air cleaner installation in La Mesa upgrades that filtration without slowing your system down. It’s a better match for how often your system is in use.

In La Mesa homes, it’s common for one side of the house to heat up faster than the other. If your thermostat isn’t reading correctly or controlling things well, you’ll feel it. Our thermostat installation and replacement in La Mesa helps your system respond more accurately to what’s actually happening in the home. If it’s not working right, our thermostat repair in La Mesa gets everything back in sync.

When your system runs often, buildup inside the unit can start to affect airflow and overall performance. Our UV air cleaner installation in La Mesa targets those internal areas where air passes through, helping keep the system cleaner as it runs. That can make a noticeable difference in how air moves through your home.

We often see buildup form around the indoor coil, especially with how much systems run during the cooling season. That can lead to airflow issues and odors over time. Our UV light installation in La Mesa places lights right where that buildup happens, helping keep the coil clean and the system moving air the way it should.

Solar Services in La Mesa to Turn Sunshine Into Savings

Solar Services in La Mesa to Turn Sunshine Into Savings

La Mesa gets a lot of sun, especially in open areas and hillside homes where there’s not much shade. That’s energy you can actually use instead of paying for more from the grid. Our solar services in La Mesa include panel installation, battery storage, and EV charger setup so your home can produce and use its own power. It’s a great way to lower monthly costs and rely less on rising utility rates. Interested in learning more? Contact us!

Heat Pump Water Heater Services in La Mesa for Lower Energy Bills

Heat Pump Water Heater Services in La Mesa for Lower Energy Bills

Heat pump water heaters are showing up more in La Mesa as homes move toward electric systems. They work by pulling heat from the air instead of creating it, which uses less energy for everyday hot water. Our heat pump water heater services in La Mesa include installation, maintenance, and repairs so the system runs the way it should.

If your current water heater is older or just not efficient anymore, this is a solid option to look at. We’ll go over what fits your home, how it’s set up, and make sure it’s installed correctly so you’re not dealing with issues later. Get a quote today!

Fun Facts About La Mesa, CA

There are a lot of HVAC contractors in La Mesa and nearby communities, so you definitely have options—but you want one you feel comfortable with and can trust. A good La Mesa HVAC contractor should be licensed, insured, and have a strong history of work in the area. Take time to read reviews, understand how they handle pricing, and look into any certifications they have. You can always ask for references, too!

Yes, it is! You’ve got the Village, local restaurants, and events going on, but you’re still close to everything in San Diego. A lot of people like it because it feels more relaxed and neighborhood-focused. You’ll see people out walking, heading to Lake Murray, or just hanging out locally.

La Mesa started as a small agricultural community in the late 1800s, with farms and citrus groves shaping the area early on. Over time, it grew into a residential city while still holding onto its local character. Today, you can still see that history in the layout of neighborhoods and the feel of the downtown Village.

La Mesa gets a lot of sun, and it definitely runs warmer than the coast. In the summer, it’s common to see temps in the high 80s to mid-90s, especially in the afternoon. Nights cool off some, and winters are pretty mild—usually 60s during the day, 40s–50s at night, with a few rainy stretches.

La Mesa is known for being the “Jewel of the Hills,” and for good reason. You’ve got views, local events, and a strong community vibe. The farmers market, Oktoberfest, and car shows are all staples, and the Village is a go-to spot for people to hang out. It’s a place with character, that’s for sure!

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.

Rocky profile picture
Rocky
23:03 09 Mar 26
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
00:21 15 Feb 26
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
18:56 07 Feb 26
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
18:45 06 Feb 26
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
18:45 06 Feb 26
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
17:43 20 Jan 26
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
15:37 18 Jan 26
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
19:35 17 Jan 26
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
18:12 12 Jan 26
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
23:47 05 Dec 25
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
17:27 04 Dec 25
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
06:34 02 Dec 25
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
22:04 24 Nov 25
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
03:27 16 Nov 25
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.
David Downhour profile picture
David Downhour
02:47 10 Nov 25
We bought our HVAC system from Guthrie & Sons. They have been monitoring our system online and later noticed a heat sensor issue.

Zach M. came by and installed on new one. He was extremely professional and completed the installation promptly.

This was another great experience all around and I gladly recommend Guthrie and Son's for all your HVAC needs.
Rachel Phillips profile picture
Rachel Phillips
22:24 02 Oct 25
We recently had our A/C replaced by Guthrie & Sons, and I cannot recommend them highly enough. After getting five different bids, Guthrie & Sons stood out immediately—not just on price, but on expertise and professionalism. They even brought their engineers out to ensure the work could be done the right way, which gave us tremendous peace of mind.

From start to finish, their team was outstanding. They worked incredibly hard, treated our home with respect, and left everything spotless—truly the cleanest job site I’ve ever seen after a major project. The installation itself was seamless, and the quality of their work shows in every detail.

If you’re looking for a company that combines deep knowledge, excellent craftsmanship, and genuine care for their customers, Guthrie & Sons is it. Absolutely five stars across the board!
Liz Staff profile picture
Liz Staff
17:27 02 Oct 25
We had a wonderful experience with Guthrie and Sons. Anthony was our estimator and he did a very thorough job of explaining all of our options! Matthew, Bryan, and Isaiah were our installers and they were very efficient, capable, and personable. Our home did not have an existing HVAC system so they had to build the whole thing in an older house that had undergone several additions. We were up and running in just three days. They left the worksite clean at the end of each day. We highly recommend Guthrie and Sons!
Neil Domingo profile picture
Neil Domingo
18:09 27 Sep 25
Kareen did an outstanding job with our HVAC system. From start to finish, he demonstrated professionalism, patience, and a strong commitment to getting the job done right. Even when faced with several unexpected challenges, he handled each one with skill and determination, never compromising on the quality of his work.

What really stood out was his problem-solving ability and willingness to go the extra mile to ensure everything was operating as it should. He communicated clearly throughout the process, kept us updated, and made sure we felt confident in the work being done.

It’s not often you come across someone who combines technical expertise with such a strong work ethic and positive attitude. We’re very grateful for his efforts and would highly recommend Kareen to anyone needing reliable HVAC service.
Trae Washburn profile picture
Trae Washburn
02:56 16 Sep 25
Professional from beginning to end

Vlad came out to provide an estimate and was able to size an HVAC system that worked well for my house.

They installed it quickly, without issue and helped me set up an app on my phone to control.

The system is working great to heat and cool my house and is whisper quiet.

Highly recommend going with Guthrie and Sons if you want a high quality experience for large and important purchases.
David Maycock profile picture
David Maycock
01:10 08 Sep 25
Our two old furnaces needed replacing and so we contacted Guthrie & Sons because of their good reputation. They sent Zach the next morning. He quickly verified that our two furnaces were beyond repair and Guthrie could supply and install suitable replacement funaces. He also suggested and explained alternative solutions, but we eventually decided to go ahead with furnace replacement. As soon as we notified Guthrie & Sons of our decision they arranged for Cristian and Pablo to come to our house the next day. They did a good job, explained clearly how to operate the new furnaces and thermostats, and were respectful of our house.

Schedule Your HVAC Service in La Mesa with Guthrie & Sons

Looking up HVAC contractors near me in La Mesa is easy—finding one you actually like working with is a different story. That’s where we come in. At Guthrie & Sons Heating, Air & Solar, we show up prepared, talk you through what’s going on, and handle the work without making it any more complicated than it needs to be. It’s the kind of service people remember for all of the right reasons! 

 

Ready to talk to our HVAC contractors in La Mesa? Call our office or fill out our quick online form. We’ll see you soon and get whatever you need done fast and done right. 

8248 Ronson Road
San Diego, CA 92111
(619) 269-3013
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