Heating Maintenance & Tune-Ups

Your home’s heating system is a valuable investment. When it stops working efficiently — or fails entirely — it’s one of the first things you’ll notice affecting your home’s comfort.

Effective Heating Maintenance in San Diego County

Keep Your Heater in Tiptop Shape

Your home’s heating system is a valuable investment. When it stops working efficiently — or fails entirely — it’s one of the first things you’ll notice affecting your home’s comfort.

Annual heating tune-ups and maintenance checks help prevent unexpected breakdowns and complex repairs. With professional maintenance, you’ll guarantee the best performance from your home’s HVAC, reducing energy waste overall.

Guthrie & Sons Heating, Air & Solar offers premier heating maintenance services in San Diego County, including San Ysidro, Alpine, Fallbrook, and Oceanside. Our NATE-certified technicians work closely with homeowners to keep heating systems running at their best all year.

We’re San Diego’s HVAC experts. Schedule a heating tune-up for your San Ysidro, CA, home today.

Upfront Pricing

What does a heating tune-up cost? $129 per unit. See all the options here.

Compare a one-time $129 heating tune-up with the USA Membership rate of $99 in our Price Finder, pick what fits, and book online in under a minute.

  • $95 diagnostic service call
  • $129 furnace or A/C tune-up
  • $81 service call for USA Members
  • Free estimates on new systems

Price Finder

Pick your equipment, pick the job, see the price.

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Top-Rated Heating Tune-Ups

As a heating system ages, its effectiveness is usually impacted by regular wear and tear. Guthrie & Sons provides comprehensive heating services for split systems, heat pumps, packaged units, and ductless mini-splits. When paired with expert installation, heating maintenance prolongs the lifespan of your home’s heating.

During a heating maintenance service, you can expect us to:

  • Test the thermostat and its control settings
  • Clean outdoor equipment
  • Inspect a heat pump’s condenser, evaporator, and condensate drain
  • Check refrigerant levels
  • Remove blockages in mini-split systems
  • Clean and replace air filters for improved airflow
  • And more

Benefits of Heating Maintenance

Maintenance plays a vital role in the overall function of a home heating system. By scheduling an annual tune-up, homeowners can enjoy benefits like:

  • Lower heating costs: Regular maintenance ensures your system is at its most efficient, reducing energy consumption.
  • Improved indoor air quality: Clean air filters in heat pumps promote better ventilation and a dust-free environment.
  • Fewer repairs: Identifying potential issues early helps prevent costly breakdowns.
  • A longer-lasting unit: Thorough maintenance can add years to your ductless mini-split, heat pump, or packaged unit.
  • Greater peace of mind: No matter how cold it gets outside, you’ll know your heating system is up to the task.

Signs You Need a Heating Tune-up

Even though San Diego enjoys a mild winter, temperatures can still drop below a comfortable degree, especially at night. If you’re noticing any of these heating issues, consider scheduling a tune-up:

  • Higher-than-average bills: Unexplained spikes in utility bills often signal an inefficient or malfunctioning HVAC system.
  • Inconsistent or uneven heating: Be aware of cool drafts or concentrated areas of warmth.
  • Musty odors: Clogged drain lines in heat pumps can trap moisture, leading to mold growth or musty smells.
  • Strange noises: Rattling, grinding, or squealing sounds aren’t normal — they point to issues with a blower fan, compressor, or motor.

Choose Us for Heating Maintenance in San Diego County

If it’s been a while since your home heating system was checked, schedule an annual tune-up with us today.

As a full-service HVAC provider, we offer expert maintenance for all brands of heating and cooling units, performed by licensed and insured technicians. If your system is beyond repair, we offer free estimates for replacements.

The San Diego community appreciates our honest approach — we offer upfront pricing before any service begins.

Trust us for the highest standard of care. Schedule a heating tune-up or inspection today to keep your San Diego, CA, home comfortable year-round.

Heating Maintenance FAQs

How often should I schedule heating maintenance in San Diego?

We recommend scheduling heating maintenance at least once a year. An annual tune-up will significantly improve the efficiency of your home’s temperature control.

Scheduling a service in the fall ensures that your heating system will be working at its best right before the coldest months.

Change or clean your air filters regularly and ensure there are no blockages around vents or registers. For heat pumps, make sure the outdoor unit is free from debris like leaves or dirt.

Heat pumps typically last 10 to 15 years with proper maintenance. If you have an older unit that requires frequent repairs, it may be time to consider replacement.

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Current Offers

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PROMOTIONS

CURRENT OFFERS

WHY CHOOSE US?

Family-Owned & Operated Since 2005

Guthrie & Sons Heating, Air & Solar was founded by the first generation, Wes Guthrie. Built on old-school morals and family values, Wes believed in treating each customer like family and always doing right by the customer.

The company has since been passed down to the second generation – Matt and Ben Guthrie. Continuing their father’s legacy, Matt and Ben continue to serve the community of San Diego County and beyond with professionalism and top-notch customer service.

WHY CHOOSE US?

Our 100% Customer Satisfaction Guarantee

Installing a new heating and air system is an important investment in your home, so you shouldn’t have to take a risk when choosing a contractor. With over 45 years of combined experience, we’re confident our team will expertly handle your comfort system. If you’re not completely satisfied with the installation of your new system within 30 days of installation, we’ll remove the equipment and refund your money.

No hassles, no questions asked, it’s just that easy.

WHY CHOOSE US?

Honest Pricing With No Upsells

When you need assistance with your heating or air system, our certified technicians will come to your home and evaluate your system. If it could use a repair that will enhance its safety and/or performance, we’ll provide a recommendation. Otherwise, if it’s performing optimally, we’ll let you know. We won’t try to sell you anything you don’t need. That’s the Guthrie promise.

WHY CHOOSE US?

Join Our USA Membership To Protect Your HVAC System

A “set it, and forget it” approach when it comes to maintaining your heating and air system. Join our maintenance plan and become a USA member. We’ll contact you once a year (if you’re on a furnace/heater-only plan) or twice a year (if you’re on a furnace/heater and AC plan). USA members also receive exclusive benefits, such as a 15% discount on repairs, priority service, and more.

OUR REVIEWS

FROM OUR CUSTOMERS

Don’t just take our word for it. See what over 1,200+ customers have to say about working with us!

Veronica Gomez profile picture
Veronica Gomez
1 month 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 profile picture
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.
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 profile picture
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 profile picture
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 profile picture
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 profile picture
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!
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 profile picture
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 profile picture
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 profile picture
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 profile picture
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 profile picture
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 profile picture
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 profile picture
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 profile picture
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 profile picture
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 profile picture
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 profile picture
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 profile picture
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!

CONTACT US

Book an Appointment Today

If you have questions or if you’re ready to schedule an appointment with our team of certified technicians, give our office a call. We offer 24/7 live answering. For your convenience, you can also schedule your appointment instantly online.