Solar and HVAC Services in San Diego, CA
Need a quick AC repair? Thinking about upgrading your heating system? Curious if solar power could save you money? At Guthrie & Sons Heating, Air & Solar, we’re your all-in-one team for home comfort in San Diego.
With transparent pricing, skilled service, and no pushy sales, we’ll make sure your home or business stays comfortable — today, tomorrow, and for years to come. Contact us for an estimate!
San Diego’s Choice for Cooling, Heating, Indoor Air Quality, and Solar Services
Most days, San Diego’s sunshine makes it easy to stay comfortable. But when the heat rises or the nights get chilly, Guthrie & Sons is here to keep your home or business feeling just right with our full range of residential and commercial HVAC services in San Diego, California.
From installing AC in new builds and older homes to keeping your heater running strong, we’re your go-to team for installation, repair, maintenance, and replacement services. Need cleaner air or interested in making the switch to solar? We offer indoor air quality solutions and solar services too — all under one roof!
At Guthrie & Sons, we’re more than a business — we’re a family legacy. Passed down through generations, our company is built on trust, care, and a commitment to doing things the right way. That means when you call us, you get the family treatment — genuine care, honest solutions, and no pushy sales.
And with NATE-certified technicians who are truly the best in the business, you can expect five-star service every time. Contact us today — we’re ready to help!
The Guthrie Way
How We Do It the Right Way — The Guthrie Way
As a family-owned company with our name on the line, we take great pride in our work. That means we do things the Guthrie Way. Here’s what you can expect when you call us for service:
5-Star Service
We take pride in setting the gold standard for HVAC service in the local area. Our dedicated team of experts is committed to delivering nothing less than 5-star service in every aspect of our work. Your comfort is our commitment.
Honest Pricing
When we say no hidden fees, we mean it. Our pricing is upfront and transparent, with no fine print or gimmicks. Before we get to work, we’ll walk you through your options and give you a clear breakdown of the costs.
Expert Technicians
Not all technicians are created equal. Ours are NATE-certified — the highest standard in the industry. Whether it’s a simple repair or a complex installation, we bring experience and expertise to every home we enter.
Family Values
We’ve been family-owned and operated for generations, and we treat every customer like one of our own. We’re proud to bring personal care and dedication to every job. When you call us, you’re not just getting a service — you’re becoming part of the Guthrie family.
No Upsells
We’re not here to sell you what you don’t need. Our job is to find the best solution for you, not our bottom line. You can always count on our team for honest recommendations that prioritize your needs and your budget.
Protect Your Home and Wallet With Our USA Membership Plan
Your comfort, health, and safety are our priorities, and we know that a reliable heating and cooling system is key to all three. While plenty of HVAC companies offer maintenance plans, our USA Membership Plan goes further to better meet your needs and save you money.
Regular maintenance is the best way to avoid costly repairs and keep your system running longer. We’ll reach out when it’s time for service, so you never miss a tune-up, even with your busy schedule. As a member, you’ll enjoy repair discounts, lower service call fees, and priority scheduling. Talk to your technician about signing up, or give our office a call to learn more!
Budget Concerns? We Offer Flexible Financing for Your Comfort Needs
Nobody plans for a heating or cooling system to fail, but when it happens, Guthrie & Sons has options to help make investing in new equipment more affordable. Our flexible financing options help you get the heating and cooling system you need now while paying over time. Ready to explore your options? Call us at (619) 269-3013 — we’ll walk you through everything.
Heating and Cooling Services in San Diego, CA
Explore our full range of HVAC services below or reach out to our team to speak to someone on the phone! We’re always happy to answer any questions you may have or help you schedule an appointment.
Air Conditioning Services
San Diego may not face scorching heatwaves, but those warm days can still make your home uncomfortable. At Guthrie & Sons, we’re your trusted air conditioning company in San Diego for keeping things cool.
Did you know that upgrading to an energy-efficient air conditioning system can qualify you for valuable tax incentives and rebates? We’ll help you find and apply for these savings, too!
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Air Conditioning Installation
Guthrie & Sons provides expert air conditioning installation for new builds and homes without existing AC. We design custom systems that fit your space, maximize energy efficiency, and keep your home cool. From ductwork to system selection, we handle it all.
Air Conditioning Maintenance
Protect your system and prevent costly breakdowns with our air conditioning maintenance services. Our technicians perform AC service tune-ups to boost efficiency and extend your air conditioner’s life.
Air Conditioning Repair
When your AC struggles to keep up, makes odd noises, or won’t turn on, you need professional air conditioning repair services. At Guthrie & Sons, we diagnose issues quickly using advanced tools and years of experience. Our technicians complete most repairs in a single visit.
Air Conditioning Replacement
If your air conditioning unit is over 10 years old, inefficient, or requires frequent repairs, an air conditioning replacement may be the best choice. Our team helps you select the right energy-efficient system for your home, ensuring better cooling and lower energy costs.
Mini Split Services
A ductless mini split system is a flexible, energy-efficient solution for heating and air conditioning your San Diego home. With zoned temperature control, you can adjust the comfort level in individual rooms, saving energy by heating and cooling only where it’s needed.
Whether you’re considering a new installation or need care for an existing system, Guthrie & Sons has the ductless mini split services in San Diego that you need, when you need them.
Mini Split Installation
Ductless mini splits are perfect for heating and cooling spaces like converted garages, sunrooms, or guest suites without the major work involved with installing ductwork. We customize and install ductless mini split systems that meet your unique requirements.
Mini Split Maintenance
Salt air, dust, and everyday use can take a toll on your system, especially in our coastal climate. Our ductless mini split maintenance includes deep cleaning filters, checking refrigerant levels, and inspecting electrical components.
Mini Split Repair
When your mini split isn’t heating or cooling properly, displays error codes, or cycles unevenly, a ductless mini split repair can get to the bottom of it. We’ll quickly identify issues like refrigerant leaks, electrical malfunctions, or faulty sensors and restore your comfort in no time.
Mini Split Replacement
If your mini split struggles to keep up, needs frequent repairs, or drives up your energy bills, a ductless mini split replacement may be your best option. We check out your current unit’s condition and recommend a new, energy-efficient model designed for San Diego’s climate.
Heat Pump Services
Looking for an energy-efficient way to heat and cool your home? Heat pumps work by moving heat in or out of your home, providing both heating and cooling without the need for separate systems.
At Guthrie & Sons, we offer expert heat pump services in San Diego, including installation, maintenance, repair, and replacement to keep your home comfortable year-round.
Heat Pump Installation
A heat pump installation is a smart choice for San Diego homeowners looking for efficient heating and cooling without the hassle of separate systems. We’ll assess your home’s layout, insulation, and energy needs to recommend the ideal unit.
Heat Pump Maintenance
Even in a mild climate, heat pumps work hard year-round, making routine maintenance a must. We recommend biannual heat pump maintenance tune ups to check refrigerant levels, clean coils, and ensure all components are functioning properly.
Heat Pump Repair
Heat pumps can run into trouble over time, especially with regular use. You might notice weak airflow, uneven cooling, or strange noises. We troubleshoot quickly, identifying issues like refrigerant leaks, electrical malfunctions, or sensor problems.
Heat Pump Replacement
When repairs become too frequent or your system has called it quits, a heat pump replacement can save you time, money, and stress. Aging units lose efficiency, leading to higher energy bills. We’ll install a modern, high-efficiency system that keeps you comfortable and your costs down.
HVAC Services
Your home often relies on a combination of systems, like an air conditioner and furnace or a heat pump and air conditioner. Whether you’re managing one unit or a complete HVAC setup, we provide HVAC services to ensure everything runs smoothly.
HVAC Installation
Installing a new HVAC system is about more than choosing a unit — it’s about finding the perfect fit for your home. We carefully evaluate your space, factoring in size and airflow needs, to recommend the ideal heating and cooling solution for lasting comfort.
HVAC Maintenance
Skipping HVAC maintenance is like skipping oil changes for your car — it’s only a matter of time before something goes wrong. We follow both manufacturer guidelines and our own thorough checklist to catch small issues early and keep your system running strong.
HVAC Repair
Strange noises, weak airflow, or rooms that just won’t cool or heat evenly? Those are your HVAC’s way of asking for help. Waiting too long can turn a minor fix into a major breakdown. We respond quickly, figure out what’s going on, and make expert HVAC repairs.
HVAC Replacement
If constant repairs and rising energy bills are wearing you down, let’s schedule an HVAC replacement. We work efficiently to get your replacement installed with minimal disruption. Once it’s up and running, we’ll walk you through how to use it and share maintenance tips.
Heating Services
San Diego’s crisp mornings and cool evenings can still have you reaching for the thermostat. Whether you heat your home with a furnace, heat pump, or mini split, we’ve got the know-how and heating services in San Diego to keep it running right.
From installations and maintenance to repairs and replacements, we’re here to make sure your home stays cozy.
Heating Installation
Need to warm things up? We’re here to help you find the perfect heating system for your home. Whether it’s a furnace, heat pump, or mini split, we’ll walk you through your options and install a system that’s built to last.
Heating Maintenance
Your heater needs more than just a new air filter to stay in top shape. When you call us for heating maintenance, we’ll clean, inspect, and fine-tune every part. That means fewer breakdowns, lower energy bills, and a whole lot more comfort.
Heating Repair
If your heater’s blowing cold air or making noises that belong in a horror movie, it’s time to call us. We’ll figure out what’s going on, explain the fix, and get your home warm again. No runarounds, no upsells — just honest heating repairs that get the job done.
Heating Replacement
When your heater’s on its last legs, a heating replacement doesn’t have to be so hard. We’ll walk you through your options to find a system that’s efficient, reliable, and tailored to your home. Once it’s installed, we’ll test it, fine-tune it, and show you how to keep it running.
Furnace Services
Furnaces are perfect for San Diego homes when those chilly mornings and breezy nights roll in, offering fast, dependable heat for your entire home.
Whether you’re installing a new system, servicing an existing one, or deciding it’s time for an upgrade, we have the furnace services in San Diego that will get you through the winter months.
Furnace Installation
An oversized furnace can short cycle, wasting energy and wearing out faster, while an undersized one will struggle to keep your home warm. We carefully size and perform your furnace installation to match your home’s specs.
Furnace Maintenance
A furnace tune-up once a year — ideally before the cooler months hit — is the best way to keep your system running safely and efficiently. Our furnace maintenance service includes cleaning burners, inspecting the heat exchanger, checking for gas leaks, and testing all safety controls.
Furnace Repair
Strange noises, weak airflow, and rooms that never seem to get warm are all signs you might need a furnace repair. If your system is blowing cold air or won’t turn on, our HVAC technicians respond quickly to get your heat back on.
Furnace Replacement
When your furnace is beyond repair or simply costs too much to run, a furnace replacement is often the best choice. We handle everything — from safely removing the old unit and disposing of it to expertly installing your new, energy-efficient furnace.
Indoor Air Quality Services in San Diego
San Diego’s air may feel fresh, but inside your home, dust, allergens, and pollutants can build up fast. Add in humidity or poor ventilation, and your air quality can take a hit.
We offer indoor air quality services in San Diego— from air purifiers to dehumidifiers — to clear the air. With expert installation, repairs, and maintenance, we’ll help you breathe easier.
Air Purifier Installation
For cleaner, healthier air throughout your home, an air purifier installation is a great choice. We install whole-home air purifiers that trap dust, allergens, and airborne contaminants.
Air Purifier Repair
If your air purifier isn’t doing its job, it may be time for an air purifier repair. From clogged filters to electrical issues, we troubleshoot and fix problems fast to restore clean air circulation.
CO Detector Installation
A CO detector installation ensures your home is protected from dangerous carbon monoxide exposure. We install reliable detectors in key areas to provide 24/7 monitoring.
Dehumidifier Installation
When humidity makes your home feel damp and musty, a dehumidifier installation can restore balance. We’ll select and install the ideal system for your space.
Dehumidifier Repair
If your system isn’t keeping moisture under control, a dehumidifier repair is needed. We solve issues like refrigerant leaks, faulty sensors, and drainage problems.
Duct Sealing
Leaky ducts mean poor air quality, wasted energy, and higher bills. Our duct sealing service finds and fixes leaks to keep clean, conditioned air flowing where it should.
Media Air Cleaner Installation
For homes with allergy concerns, a media air cleaner installation offers better filtration. We install media cleaners that trap even the smallest particles.
Thermostat Installation
The right thermostat installation can improve your comfort and reduce energy use. We install smart or programmable thermostats that save you money.
Thermostat Repair
When your home feels too hot or too cold, a faulty thermostat may be to blame. Call for a thermostat repair to resolve temperature and connectivity issues.
Thermostat Replacement
Outdated or unreliable thermostats can cost you in comfort and energy bills. We’ll recommend and install a model that provides better control and efficiency.
UV Air Cleaner Installation
A UV air cleaner installation adds a powerful layer of protection against airborne germs and allergens. We install UV air cleaners inside your ducts to neutralize bacteria, viruses, and mold.
UV Light Installation
Prevent mold and bacteria growth in your HVAC system with a UV light installation. We place UV lights near your coils to sterilize the air as it passes through to keep your system cleaner.
Solar Services in San Diego
With San Diego’s endless sunshine, why not make it work for you? At Guthrie & Sons, we provide expert solar panel installation, battery backup systems, and EV charger solutions designed to reduce your energy bills and your reliance on the grid.
By investing in solar, you’ll enjoy clean, renewable energy while protecting yourself from rising utility costs. Looking ahead? Solar is a smart, long-term investment — and we’ll be with you every step of the way.
Heat Pump Water Heater Services in San Diego
At Guthrie & Sons, we bring energy-saving comfort to your home with heat pump water heater installation services in San Diego. Unlike traditional water heaters, these systems use ambient air to generate heat, significantly lowering energy use and reducing your carbon footprint.
The result? Reliable hot water, lower utility bills, and a more eco-friendly home — all backed by our knowledgeable team who’s here to ensure everything runs smoothly.
Current Offers
Why pay more when you don’t have to? Check out our current specials and get the service you need at a price you’ll love.
PROMOTIONS
CURRENT OFFERS
- INDOOR AIR QUALITY
$150 Off I-Wave Cold Plasma Filter
Must present offer at time of service. Cannot combine with other offers. Not valid on prior sales. Restrictions apply. See dealer for details. Offer expires 3/31/25.
- REPAIR
$100 Off Repair
Valid on a central heating or air conditioning system. Repair must be over $900. Must present offer at time of service. Cannot combine with other offers. Not valid on prior sales. Restrictions apply. See dealer for details. Offer expires 3/31/25.
- 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 4/30/25.
Frequently Asked Questions
Do you offer free estimates on your services?
Yes! We provide free estimates on replacements for heating, air conditioning, and solar systems. Our team will assess your needs, explain your options, and offer clear pricing — no pressure, no gimmicks. You’ll know exactly what to expect before making a decision.
Are your technicians background-checked?
Absolutely. Our technicians are background-checked and committed to your safety and satisfaction. We only hire qualified, experienced professionals who meet our high standards. With Guthrie & Sons, you’re in trusted hands.
How soon can I schedule service?
We understand that comfort can’t wait. In most cases, we offer same-day or next-day service, depending on availability. Just give us a call, and we’ll find a time that works for you.
Do you take care of permits for new installations?
Yes, we handle all necessary permits for your HVAC or solar installation. From navigating local regulations to submitting paperwork, we make sure everything is done by the book. You won’t have to worry about a thing.
OUR REVIEWS
Customer Reviews
Our customers say it best. From installations to repairs, see why so many San Diego homeowners choose us. Read their reviews and see the difference our team can make.
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Schedule Service With Guthrie & Sons Today
At Guthrie & Sons Heating, Air & Solar, we don’t just show up — we show that we care. Whether your home needs a cooling upgrade, a reliable heater, or energy-saving solar solutions, we’re dedicated to providing service that puts you first.
With free estimates, upfront pricing, and flexible financing, we make repairs and upgrades more affordable. And when we’re done, we’ll leave your space just as we found it — only now it’s more comfortable and energy efficient, which means it feels great and is saving you more money. Now that’s a win-win!
Use our website or call (619) 269-3013 to schedule heating, air conditioning, or solar services in San Diego, California, with Guthrie & Sons Heating, Air & Solar.
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