Installer lifting a solar panel into place on a residential roof

Our guarantee100% Satisfaction Guarantee

Solar panel installation, maintenance and battery storage

Solar Panel Installation in San Diego, CA

Choose efficiency with expert Solar Installation in San Diego for homes and businesses. Maximize savings with custom designs. Consult today for tailored solutions!

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Five-star rated on Google, Yelp, Facebook and BBB

Same-day repairsOn most services, 7 days a week

Lifetime labor warrantyOn qualifying installs and repairs

All brands and modelsWhatever you have, we work on it

No service call feeWaived when we do the repair

Serving San Diego

Need a Quick and Efficient Solar Installation?

Experiencing unexpected solar panel issues or planning a new installation? Our certified professionals provide swift, reliable solar installation tailored to your unique energy needs. West Coast Heating Air Solar & Plumbing delivers top-tier solar solutions across San Diego, CA, including Chula Vista, El Cajon, Escondido, La Mesa, Lakeside, Poway, Ramona, and Santee.

Investing in solar panel installation is a significant step towards energy independence and reduced utility costs. We understand that every home and business in the San Diego region has unique energy demands and architectural considerations. Our approach begins with a detailed assessment of your property, taking into account factors like roof orientation, shading, and your current energy consumption. This allows us to design a custom solar system that precisely matches your requirements, ensuring optimal performance and maximum savings.

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Rooftop solar panels on a hillside home above the neighborhood

West Coast Heating Air Solar & Plumbing service van

Service call

when we do the repair

Your service call fee is waived when you choose us for the repair while the technician is there. West Coast Club members pay no service call fee when work is performed.

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What we do

Installation, maintenance and battery storage

Solar planning starts with the property: the roof, the sun it gets and how your household uses power.

Signs your solar needs service

Installer fitting a solar panel onto the edge of a tile roof

Solar installation

Site assessment, system design, permitting, installation and testing, planned around your roof.

Solar panel installation

Technician working on the mounting rails of a rooftop solar array

Solar maintenance and repair

Inverter faults, damaged panels and a dark monitoring app, found and fixed.

Solar panel repair

Illustration of a modern home with rooftop solar panels and the West Coast bear mascot at work

Battery storage

Store the power your panels make so you can use it after the sun goes down.

Ask about battery storage

A craftsman home at dusk with warm glowing windows

Your visit

What happens when our technician arrives

We arrive ready to workLicensed, insured, and respectful of your home.
We show you what we foundYou see the problem and hear what it means in plain language.
You see the price firstYour options, with labor and parts listed separately, before any work begins.
We repair, test and clean upWe test the system before we leave and clean up the space.

Every repair is backed by our lifetime labor warranty on qualifying repairs and our 100% Satisfaction Guarantee. If anything isn’t right, call us and we’ll make it right.

Current offers

More ways to save on your solar service

Take advantage of our latest offers and get even more value from West Coast.

Water Heater Special

$500 Off
Any Water Heater Installation

On a new water heater installation. Cannot be combined with other offers. Must be presented at time of sale. Expires 10/31/26.

Call (619) 349-4189

New Customer Special

$79 AC
Tune-Up
& Safety Inspection

New customers only. Cannot be combined with other offers. Must be presented at time of sale. Expires 10/31/26.

Call (619) 349-4189

Comfort & Peace of Mind

Lifetime Warranty
On Labor

Qualifying system installs and repairs. Transferable. Terms apply. Cannot be combined with other offers. Must be presented at time of sale. Expires 10/31/26.

Call (619) 349-4189

New Customer Special

$29 Heating
Tune-Up
& Safety Inspection

New customers only. Extends system life, improves efficiency, prevents costly repairs. Mention this offer when booking. Cannot be combined with other offers. Must be presented at time of sale. Expires 10/31/26.

Call (619) 349-4189

Financing Available

0% Interest
For 24 Months

On qualified equipment. On approved credit. Details at consultation. Cannot be combined with other offers. Must be presented at time of sale. Expires 10/31/26.

Call (619) 349-4189

Fall Savings

$1,500 Credit
A/C Trade-In

Toward a new A/C system. Cannot be combined with other offers. Must be presented at time of sale. Expires 10/31/26.

Call (619) 349-4189

First Visit Special

Free Service Call
With Any Repair

$0 dispatch fee with any completed repair. First-time customers only. Cannot be combined with other offers. Must be presented at time of sale. Expires 10/31/26.

Call (619) 349-4189

Why West Coast

Why homeowners choose West Coast

Family-run since 1996, serving San Diego County homeowners from El Cajon.

5-starrated on Google, Yelp, Facebook and BBB

Since 1996family-run in San Diego County

Same dayrepairs on most services, 7 days a week

Lifetimelabor warranty on qualifying installs and repairs

100% Satisfaction Guarantee

“Vlad was incredible! He was on time, the ultimate professional, knowledgeable, patient with my questions, and went above and beyond to make sure my service was impeccable!”

Nancy Scornavacco, Google review

“Amazing service! Eric with West Coast did a fantastic job. Very prompt, immediately diagnosed the issue I was having and offered varying solutions to ensure I have a comfortable option.”

Tim Palmer, Google review

“Eric Young did a great job of explaining the possible solutions to my HVAC problem. I felt very comfortable and was so pleased to feel like I had options, with no effort to “hard sell” me.”

Susan Little, Google review

FAQ

Solar Panel Installation in San Diego, CA: questions and answers

What happens during a solar panel installation, start to finish?

When you decide to move forward with solar, you want a clear picture of what happens next. Our comprehensive service keeps every stage transparent and efficient, and you can expect:

A detailed consultation where we discuss your energy goals and assess your site
A transparent proposal for your customized solar system
All paperwork, including permits from local authorities
Procurement of all high-quality components
Professional installation by our licensed technicians
Final connection to the grid

We manage the entire process and keep disruption to your daily life to a minimum.

What is included in my solar proposal?

After we discuss your goals and assess your site, you receive a proposal that spells out the panel types, system size, estimated energy production, and projected savings for your customized system, so you have a clear understanding of what happens next. Schedule a consultation today to get yours.

How do you decide what size solar system I need?

Whether you live in the bustling heart of San Diego, the vibrant community of Chula Vista, or the scenic landscapes of Ramona, our experts consider local climate patterns, including peak summer sunlight and the occasional winter cloud cover, to size your system correctly. Sizing it right is what lets the system deliver reliable power all year instead of falling short in the cooler months or producing more than your home can use.

What solar panels and inverters do you install?

We offer a range of high-efficiency solar panels and inverter technologies from leading manufacturers, designed to withstand the California sun while maximizing energy production. High-efficiency panels let you get the most sunlight conversion out of the roof space you have.

Do you take care of permits and the grid connection?

Yes. Once you approve the design, we handle all necessary paperwork, including permits required by local authorities in areas like El Cajon and Escondido. We also complete the final connection to the grid, and you receive a fully operational solar system, ready to generate clean energy and significantly reduce your reliance on traditional utilities.

Are your installations licensed and warrantied, and is financing available?

All installations are fully licensed, and flexible financing is available to meet your budget. Every system is installed by our licensed technicians using high-quality components, and you get peace of mind with long-term warranties and robust customer support.

More questions

How will solar lower my power bills?

Our tailored solar solutions are built to reduce power bills. Because the system is designed around your home, your investment works harder for you, providing reliable power and consistent energy bill reductions for years to come. Our goal is to make the transition to clean, renewable energy seamless and highly beneficial for every customer.

Do you support the system after installation?

Yes. Our commitment extends beyond installation. We continue to offer support and guidance so your system keeps performing optimally long after the crew leaves. If you have questions about production, monitoring, or performance down the road, our customer support team is there to help.

Should I repair my current solar system or replace it?

Knowing when to repair an existing system versus investing in a full replacement is crucial for long-term savings and efficiency. If your system has minor issues like a faulty inverter, loose wiring, or a single panel damaged by weather, precise repair solutions can often resolve the problem cost-effectively and restore performance in locations such as Poway or Santee.

When does a full solar panel replacement make more sense?

A complete solar panel replacement might be the more beneficial option in any of these situations:

Age and efficiency: your system is over 15 to 20 years old and its efficiency has significantly degraded. Newer panel technologies offer much higher output and better performance.
Extensive damage: multiple panels are severely damaged from a major storm, fire, or other incident, making individual repairs impractical or too expensive.
Frequent malfunctions: recurring problems with various components suggest the entire system may be nearing its end of life.
System expansion needs: your energy consumption has increased and your old system cannot be adequately expanded or upgraded with compatible new panels.
Technology advancements: you want the latest solar technology, with improved durability, higher energy production, and potentially better aesthetics.

Can you help me decide between repair and replacement?

Yes. Our team gives you an honest assessment of your current system and helps you weigh the costs and benefits of repair versus replacement, so you make an informed decision for your San Diego County property.

Reviewed by the licensed team at West Coast Heating Air Solar & Plumbing. CSLB License #810930. Last updated October 2026.