West Coast technician servicing a ductless mini-split system

Our guarantee100% Satisfaction Guarantee

Ductless mini-split repair, maintenance and installation

Ductless AC Repair Services in San Diego, CA

Need fast ductless AC repair in San Diego? Get same-day service and transparent pricing from certified technicians. Schedule your repair today for reliable, professional service!

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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

Ductless AC Down? Get Fast, Expert Repair Now

When your home is sweltering due to a malfunctioning ductless AC, every minute counts. Our expert technicians are ready to restore your comfort today with quick, effective solutions. West Coast Heating Air Solar & Plumbing provides comprehensive ductless AC repair services across San Diego County, including Chula Vista, El Cajon, Escondido, La Mesa, Lakeside, Poway, Ramona, and Santee, with a strong emphasis on serving our primary San Diego, CA community.

Fully licensed and insured for your peace of mind, with flexible financing options available to help manage unexpected repairs.

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West Coast technician greeting a homeowner at her front door

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

Repair, maintenance and installation

Most mini-split problems are repairs, not replacements.

Signs your mini-split needs repair

Technician servicing a wall-mounted ductless mini-split indoor unit

Mini-split repair

We check the indoor unit, the outdoor unit and the lines between them, then fix what’s actually wrong.

Mini-split repair

West Coast technician servicing a wall-mounted mini-split indoor unit

Mini-split maintenance

A yearly cleaning catches a clogged filter, a dirty coil or a slow drain.

Book maintenance

Woman relaxing on her couch under a wall-mounted mini-split

Mini-split installation

Add heating and cooling to an addition, a garage conversion or any room your ducts don’t reach.

Mini-split installation

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 mini-split 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

Ductless AC Repair Services in San Diego, CA: questions and answers

What ductless AC problems do you repair?

We handle the full range of ductless mini-split issues, including:

Unexpected breakdowns
Strange noises
Insufficient cooling or a unit that is failing to cool
Refrigerant leaks
Error codes on the display
A system that simply won't turn on

Whatever the symptom, our skilled technicians are equipped with the tools and expertise to pinpoint the problem and put a lasting solution in place, so the same issue does not keep coming back.

How quickly can a technician get to my home?

Experienced technicians arrive within hours of your call. Our goal is to dispatch a licensed technician to your home quickly, often offering same-day service to minimize your discomfort. We understand the urgency of AC repairs, especially with San Diego’s mild yet often fluctuating temperatures, and our promise to you begins the moment you call for assistance.

What happens during a ductless AC repair visit?

Upon arrival, our technician will conduct a comprehensive inspection and diagnostic of your entire ductless AC system. This isn't just about identifying a symptom but understanding the root cause to prevent recurring issues. Your technician will then clearly explain what’s wrong with your system in plain language, detail the necessary repairs, and answer any questions you may have. Nothing moves forward until you understand the problem and the plan to fix it.

Will I know the cost before the work starts?

Yes. We offer transparent pricing with no hidden fees, so you know what you pay upfront. Before any work begins, you'll receive a detailed repair plan and a clear cost estimate. There are no surprises on the final bill, which gives you complete peace of mind and lets you make the decision with the full picture in front of you.

Why does a mini-split need a specialist?

Our team understands the unique complexities of ductless mini-split systems. Unlike traditional central air units, these systems offer zoned comfort but require specialized knowledge for diagnostics and repair. A technician who works on these systems regularly can trace the true cause of a problem faster, whether it is a refrigerant leak or an error code, and fix it correctly the first time.

Should I wait to see if my ductless AC fixes itself?

We don't recommend it. A malfunctioning ductless AC system can quickly turn your comfortable home into an unbearable environment, and breakdowns, strange noises, and insufficient cooling all demand immediate attention. Small problems left alone tend to become bigger ones. We specialize in rapid, reliable ductless AC repair services designed to get your system back to optimal performance without delay. Don't suffer through another hot day; let us restore your home's cool, comfortable climate.