Get in Your Comfort Zone

San Diego’s Trusted Air Conditioning, Heating, and Solar Company

Some companies focus on sales—Guthrie & Sons focuses on you. For decades now, we’ve kept San Diego homes and businesses comfortable with honest guidance, fair pricing, and expert heating, cooling, and solar services. Call or book an appointment online and we’ll be right over!

No Games, No Gimmicks, Just Great Service From Our Family to Yours

Since day one, Guthrie & Sons has been about family—both ours and yours. Founded in 2005 by Wes Guthrie and now run by his sons, Matt and Ben, we’ve spent several wonderful years helping San Diego County residents get the service they actually need—no sales pressure, no surprises.

From AC repairs in Chula Vista to heat pump installations in Escondido, we help homeowners stay comfortable with solutions that fit their needs, not sales quotas. If a repair is enough, that’s what we’ll recommend. If a new system makes more sense, we’ll walk you through your options on your terms.

Unlike the big-name chains with commission-driven salespeople, we’re a family-run company that believes in doing right by people. We offer free second opinions and even check back after repairs because you deserve to feel good about your decision and confident in the work we do.

Year after year, season after season, we’re here to keep your home the way it should be—comfortable, reliable, and worry-free.

Give us a call or schedule online today!

How Can We Help You Today?

Every home and business has different HVAC needs, and Guthrie & Sons can meet them all. As a local HVAC and solar company, we offer a full range of residential and commercial services, handled by our expert NATE-certified technicians. Whether it’s maintenance, repairs, or a new system, we’ll make sure you get the right solution.

Heating and Cooling Services

Heating and cooling should be simple—your system works when you need it, and you don’t have to think twice. But when something goes wrong or you need something new, Guthrie & Sons is here to help with heating and cooling services in San Diego County and other nearby areas. 

Want fewer repairs and lower energy bills? Regular maintenance is the key, and our USA Membership Plan makes it so easy. Just sign up, and we’ll handle everything—scheduling your service, sending reminders, and giving you priority treatment, exclusive discounts, and more. Stay comfortable, save money, and never worry about your system again.

San Diego gets plenty of sunshine—why not put it to work? Guthrie & Sons offers solar panel installation, battery backup systems, and EV chargers to help homeowners reduce their energy bills and reliance on the grid. If you plan on staying in your home for years to come, solar is a smart, long-term investment. Not sure where to start? We’ll help you figure it all out.

Solar Services

We love spending time outdoors, but we bring a lot of unwanted stuff back inside. Pollen, dust, smoke, and bacteria can build up in your home, affecting the air you, your family members, and your pets breathe. Our indoor air quality products help filter out pollutants to clean the air and keep your home fresh. Let’s chat about how to improve your air.

Indoor Air Quality Services

A good water heater keeps life running smoothly. Whether you’re upgrading an old unit or installing one in a new home, we’ll help you choose the right system. We install traditional water heaters for dependable hot water and heat pump models for better efficiency. Let’s find the best option for your home—give us a call.

Water Heater Services

Getting the Service You Need Is Simple

Having an HVAC issue in your home or rental property? Thinking about adding solar to your building? No problem! Here’s what to do:

The Guthrie & Sons Promise

We’ve built our business on trust, quality work, and customer service. It’s why people turn to us and why they stay. Here’s more on why San Diego has continued to choose us:

𖤓 100% Customer Satisfaction Guarantee: We’re not happy until you are.

𖤓 Honest, Transparent Pricing: You’ll always know the cost upfront—no hidden fees.

𖤓 Highly Trained Technicians: Our certified experts service and install all makes and models.

𖤓 Family-Owned and Operated: We’re proud to be one of the few family-owned and operated HVAC businesses in our region.

𖤓 Lifetime Workmanship Guarantee: If something isn’t right, we make it right.

𖤓 2-Year Labor Warranty: We ensure extra protection is included with every new installation.

𖤓 Free Quotes on New Installations: Get clear, pressure-free pricing before making a decision.

𖤓 Flexible Financing Options: We provide affordable payment plans to fit any budget.

𖤓 Property Protection Guarantee: We treat your home with respect, just like it’s our own.

Call or schedule online today and experience expert care from exceptional people.

Special Offers to Help You Save Even More

We’re committed to keeping your home comfortable—and your costs down. Check out our latest specials and see how much you can save on your next visit.

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.

Schedule With Guthrie & Sons Today

The right service, the right price, and a team that actually cares—it’s what we do. From heating and cooling to solar and water heaters, Guthrie & Sons Heating, Air & Solar is here to make your home or business more comfortable and efficient. Have questions? Our friendly, knowledgeable team is happy to help. Ready to book? You can reach us by phone or instantly online. We look forward to building a partnership that lasts for years!