San Diego, CA Heating Replacement

Get a Free Quote on Your San Diego Heating Replacement

Do you have a broken-down heater that’s beyond repair or simply too old to keep fixing? Guthrie & Sons Heating, Air & Solar can help you find the right replacement at the right price. We’ll walk you through all your options—whether that means upgrading your current system or switching to something more efficient. Request your heating replacement estimate in San Diego, California, today!

Replace Your Old Heating System and Start Saving Every Month

When your old heater can’t keep up anymore, it’s time for something better. Constant repairs, uneven heat, and rising energy bills are all signs your system has run its course—and that’s where Guthrie & Sons Heating, Air & Solar can help. We’re a local, family-owned HVAC company that’s been helping San Diego homes and businesses stay comfortable since 2005 with reliable heating, cooling, and solar solutions.

Our technicians replace every type of heating system—from traditional furnaces to modern heat pumps and ductless mini splits—and we’ll help you find the option that fits your home and budget best. We focus on energy efficiency because it’s what saves you money over time. You deserve a warm, comfortable home to relax in or a cozy space for your customers and employees. With a new heater from Guthrie & Sons, you’ll get exactly that. Request your San Diego, CA, heating replacement quote today and stay comfortable all season long.

Fair, Transparent Pricing You Can Feel Good About

Fair, Transparent Pricing You Can Feel Good About

It’s easy to feel overwhelmed when you start thinking about your heater replacement cost. It’s a big investment, but it’s also one that pays off when you get the right one. At Guthrie & Sons, we make it easy to understand what you’re getting and exactly what it will cost. Here’s what else you can expect during your heating replacement in San Diego:

  • Free in-home estimates so you know your heating replacement costs upfront
  • Free online quoting tool for heater installations and replacements
  • Guidance with rebates and energy credits to help lower your total bill
  • Seasonal promotions and special offers for extra savings
  • Financing options so you can move forward with your project right away

When you work with us, you’ll never be left wondering what you’re paying for or why. We’ll discuss every option clearly and find something that fits your home and your budget the best.

Searching for a Heating Replacement in San Diego? We’re Your Local Heating Replacement Company

Searching for a Heating Replacement in San Diego? We’re Your Local Heating Replacement Company

When it’s time to replace your heater, you don’t have to look far—Guthrie & Sons is right here in your neighborhood. From older homes near Balboa Park to newer builds around Mira Mesa, Clairemont, and Rancho Bernardo, we’ve replaced heating systems in just about every style of home across San Diego County. Whether you’re by the coast in La Jolla or Pacific Beach, or further inland in Tierrasanta or Scripps Ranch, our nearby technicians make it easy to get the heating system you need when you need it.

  • We’re a local, second-generation family-owned company—one of the few still around.
  • Our pricing is always honest and transparent, with no upsells or surprises.
  • Every job comes with a 100% satisfaction guarantee for your peace of mind.
  • Our technicians are highly experienced and professional, with many holding NATE certification.
  • All workmanship includes strong warranties and property protection guarantees.
  • We’re your trusted San Diego HVAC contractor for heating, air conditioning, indoor air quality, and solar systems.

Are you over in Otay Mesa or San Ysidro? No problem! We go where we’re needed and get the job done quickly.

The Benefits of Heat Pumps and Other Heating Replacement Options

The Benefits of Heat Pumps and Other Heating Replacement Options

San Diego homes are as diverse as the people who live in them—coastal condos, hillside bungalows, Spanish revivals, and new construction ADUs all use different kinds of heating systems. Many rely on gas or electric furnaces, while others have moved to high-efficiency heat pumps or ductless mini splits. If you’ve heard about the big push toward heat pumps, it’s for good reason.

We’ll discuss the pros and cons of staying with your furnace and also share more of the benefits of a heat pump installation, which include:

San Diego’s mild weather is ideal for heat pumps. Instead of burning fuel to create heat, these systems move heat from one place to another—using far less energy. Because they don’t have to work as hard, they run efficiently and consistently, saving you money every month while reducing your energy use.

A heat pump replaces both your furnace and your air conditioner, giving you comfort year-round with one piece of equipment. It warms your home in the winter and cools it in the summer simply by reversing direction. That makes it perfect for homes in San Diego, where you need gentle heat in January and reliable cooling by July.

Heat pumps are designed to run quietly and evenly, with no fuel combustion or pilot light. Because there’s less strain on parts and no flame or exhaust, maintenance is simple—usually just a seasonal checkup and filter change.

Since heat pumps don’t burn natural gas, there’s no risk of carbon monoxide leaks or exhaust fumes. They also help circulate cleaner air throughout your home, especially when paired with a quality filtration system. For families sensitive to dust or allergens, that means fresher, healthier indoor air every day.

California is in the middle of a long-term phase-out of gas appliances, and that includes traditional gas furnaces. To help homeowners make the switch, there are strong financial incentives available right now. Federal tax credits through the Inflation Reduction Act, along with state and local rebates from programs like TECH Clean California and San Diego Gas & Electric, can significantly reduce the upfront cost of a new heat pump.

Rest assured that we’ll share all of your heating installation options. We can move forward on a furnace replacement or a ductless mini split replacement. And if you already have a heat pump, we can handle your heat pump replacement, too. There are so many models to choose from!

Protect Your Investment with Our Heating Maintenance Services

Protect Your Investment with Our Heating Maintenance Services

Once you’ve invested in a new heating system, it just makes sense to protect it. It’s normal to need a heating repair every now and then as your system ages—you probably already know that! What’s not normal is needing several repairs in just a few years. That’s where regular heating maintenance services come in.

At Guthrie & Sons, our technicians perform detailed tune-ups that include cleaning internal components, checking safety controls, tightening electrical connections, and testing efficiency. We recommend scheduling your first heating maintenance visit about six months after your new system is installed, and then once a year before the start of the colder season.

To make it all easier to manage, we offer our USA Membership Plan—a convenient way to stay on top of maintenance without having to remember. Members receive automatic service reminders, priority scheduling, discounted repairs, and lower diagnostic fees. It’s the best way to keep your new heater running efficiently, avoid surprise breakdowns, and make sure your system stays covered under warranty year after year.

Frequently Asked Questions

In most cases, homeowners’ insurance doesn’t cover HVAC repairs or replacements caused by normal wear and tear, age, or lack of maintenance. However, if your system is damaged by a covered event—like fire, flooding, or vandalism—you may qualify for partial or full coverage. Guthrie & Sons can help document the issue and provide detailed repair or replacement estimates if you’re filing a claim.

Most heating systems last between 12 and 20 years, depending on the type, usage, and maintenance history. Once you start needing frequent repairs or notice rising energy bills, it’s usually more cost-effective to replace the system. Regular tune-ups and filter changes can help extend the life of your equipment and keep it running longer.

The lifespan of a heating system depends on its design, maintenance, and how heavily it’s used. Well-maintained gas furnaces often last 15 to 20 years, while heat pumps typically run efficiently for 12 to 15 years. Ductless mini splits can last even longer with proper care. The key is consistent maintenance—something Guthrie & Sons can handle through our maintenance plans.

Most heating replacements can be completed in one day, though more complex installations or ductwork adjustments can take a bit longer. At Guthrie & Sons, we plan every project carefully to minimize downtime and keep your home comfortable. Once your new system is installed, we’ll test everything thoroughly and walk you through how to use it before we leave.

Heating and Cooling Offers You Can't Miss

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

$625 Comfortably California Rebate

Valid on select systems. Valid on residential properties only. Can be combined with HEERHA rebates, $2,000 heat pump Federal Tax Credit and $600 electrical upgrade Federal Tax Credit. Rebate available until funds last. Restrictions apply. See dealer for details. Offer expires 3/31/26.

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 3/31/26.

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 3/31/26.

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 3/31/26.

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.

Talk to Us About Your San Diego Heating Replacement Today

When those San Diego nights dip into the 40s, you’ll be glad to have a reliable heater again—and a team you can count on to take care of it. When you’re searching for a heating replacement quote near me, Guthrie & Sons is right here to help. We’ll start with a consultation and in-home walk-through to assess your system and space. From there, we’ll take care of everything—permits, scheduling, installation, and testing—so all you have to do is sit back and enjoy! Your San Diego, CA heating replacement is quick and easy with Guthrie & Sons Heating, Air & Solar. Contact us today to take advantage of our heating replacement services.