Guthrie & Sons Heating, Air and Solar is a trusted air conditioning contractor in San Diego, CA. We provide expert HVAC, heating, solar, and indoor air quality solutions across San Diego, Poway, Vista, La Mesa, Carlsbad, Chula Vista, and nearby areas.
If your home is feeling too warm, you should consider scheduling an appointment with our trusted air conditioning repair service to ensure your system runs smoothly all summer.
In San Diego’s warm coastal climate, a reliable air conditioning system isn’t just a luxury—it’s a necessity for daily comfort. Whether you’re a homeowner in Chula Vista, managing offices in Poway, or overseeing rental properties in Carlsbad, keeping your indoor spaces cool, comfortable, and energy efficient is a must. At Guthrie & Sons Heating, Air and Solar, we proudly deliver expert air conditioning repair, installation, and maintenance services that San Diego residents trust. Our commitment is to keep your system running smoothly through every season so you never have to worry about unexpected breakdowns or high energy bills.
When it comes to air conditioning services in San Diego, Guthrie & Sons combines local experience with advanced HVAC solutions. From AC repair and system tune-ups to complete replacements and new installations, our licensed technicians are trained to deliver prompt, effective, and lasting results. We service all major brands and offer tailored solutions like ductless mini-split systems, heat pumps, and energy-efficient upgrades that address each property’s unique needs.
San Diego’s combination of warm summers and mild winters places unique demands on air conditioning systems. When your AC starts blowing warm air, making unusual noises, or cycling on and off, our experts diagnose the issue quickly and provide trustworthy air conditioning repair. We carry the latest tools and replacement parts to restore your cooling system’s performance the same day, so you can get back to comfort instantly.
If your system is aging, unreliable, or energy inefficient, it may be time for a new air conditioning installation or replacement. Guthrie & Sons guides you through system selection, sizing, and installation to ensure optimal comfort and lower monthly costs. Whether you need a central AC upgrade, ductless AC unit for a new addition, or a sustainable heat pump installation, we handle every step with care and attention to detail. Our AC specialists support homeowners across San Diego, Vista, La Mesa, and surrounding areas with seamless transitions to high-efficiency cooling.
Routine air conditioning maintenance is the best way to prolong the life of your HVAC system and avoid costly breakdowns. With our detailed inspection and tune-up service, we check for wear, efficiency loss, and system health. Guthrie & Sons offers maintenance plans for homes and businesses throughout San Diego County, including Carlsbad and Chula Vista—helping you stay cool while saving on repairs year-round.
At Guthrie & Sons, we understand that each neighborhood in San Diego County—from historic La Mesa to the coastal breezes of Carlsbad—faces its own climate challenges. That’s why our team brings personalized service and deep local knowledge to every call. We provide air conditioning services throughout:
Our roots in the San Diego area mean we’re equipped to meet the cooling demands of both inland and coastal homes, ensuring long-term satisfaction and comfort for every client.
“Our AC broke down on a hot Saturday in Chula Vista. Guthrie & Sons sent a team out the same afternoon, diagnosed the problem, and had us back up and running that evening. Outstanding customer service and fair prices—I highly recommend them in San Diego County!” – The Martinez Family
“We wanted to reduce our energy bills with a new heat pump. Guthrie & Sons made the entire process easy, from consultation through installation. Our Vista home is now much more comfortable, and we’re seeing real savings on utilities.” – John R.
“Guthrie & Sons did a fantastic job tuning up our older AC system. Their maintenance plan gives us peace of mind, and the team is always prompt and professional. They are our go-to for all HVAC needs in Carlsbad.” – The Kim Family
San Diego’s coastal climate means AC systems are susceptible to salt air, dust, and humidity, all of which can wear on components. Regular maintenance keeps your system efficient, extends its lifespan, and helps avoid costly repairs during heat waves.
Ductless air conditioning systems offer flexible cooling options for homes without central ductwork or in room additions. They’re energy-efficient, quiet, and allow zoning for different areas—perfect for Poway and Vista properties looking to boost comfort without major renovations.
Look out for warm air blowing from vents, strange noises, high energy bills, or frequent cycling. If your AC isn’t performing like it should, schedule a professional inspection to catch issues before they become major repairs.
Yes, replacing an aging, inefficient unit can lower your monthly utility bills and provide better cooling with modern technology. Many La Mesa and Carlsbad homeowners benefit from upgrading to new systems, especially if their current AC is over 10–15 years old or requires frequent repairs.
Absolutely. We provide fast emergency repair services throughout San Diego, including Chula Vista. Our technicians are available to handle urgent issues—so you’re never left without cooling when you need it most.
If you need reliable air conditioning repair, installation, or maintenance in San Diego or surrounding areas, trust Guthrie & Sons Heating, Air and Solar. Our skilled technicians offer tailored HVAC and indoor air quality solutions that keep your home comfortable year-round. Contact us today at 619-257-2204 or visit us at 8248 Ronson Rd, San Diego, CA 92111 to request a consultation or book your next service. Choose the team local families and businesses trust for dependable, energy-saving air conditioning solutions in San Diego, Poway, Vista, La Mesa, Carlsbad, and Chula Vista!
Guthrie & Sons Heating, Air and Solar | Air conditioning repair
| Air Purification Services | |
|---|---|
| Entity | Description |
| Air Purification System Installation | Have a new air purification system professionally installed in your home or office. |
| Air Purification System Repair | Fix issues with your air purification system to ensure it operates efficiently and effectively. |
| Air Purification System Maintenance | Regularly inspect and maintain your air purification unit to ensure optimal performance. |
| Whole House Air Purification | Install a whole-house air purification system for better indoor air quality. |
| Portable Air Purifiers | Provide portable air purification solutions for homes and businesses. |
Repairs can range from a few hours to a day, depending on the problem's complexity.
If your system is old, frequently breaking down, or inefficient, replacement may be more economical than repairs.
Common issues include poor airflow, system breakdowns, strange noises, and inconsistent temperatures.