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Find Central a/c service or repairers in Santa Ana

Avatar for Trinity Heating and AC
Trinity Heating and AC
5.0(
44
)
Central A/C - Service or Repair

Serving Santa Ana, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Warranties offered

"Chris, a guy I spoke with at Trinity AC to get these services was SO patient and SO nice. He understood my concerns with my central A/C, recommending me to the best guy for the job. Jimmy the technician was SO nice and SUCH a professional. He gave me a discount just for being a senior citizen! I told him about a previous experience with an A/C repair company that attempted to rip me off, giving me high prices for little work. Jimmy heard this, shamed the anonymous man, and took matters into his own hand, doing amazing work and offering better pricing. I would recommend this company to everyone!"
Furnace Before
AC After
Furnace After
AC Before
Before - Furnace

+83

Response time3 hrs
Response rate98%
37 neighbors recently requested a quote
Avatar for All City Plumbing, Air & Electrical
All City Plumbing, Air & Electrical
4.9(
271
)
Central A/C - Service or Repair

Serving Santa Ana, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2009

Emergency services offered

Warranties offered

"We had a pipe burst outside our house that connected to the city water service, and our water had to be shut off until it was repaired.  I called a few plumbers who were not available, and then called All City Plumbers.  They were able to come out immediately in the evening.  The woman who set up the appointment was very detailed and helpful.  I immediately received texts and emails with the job description, the ETA of the plumber, as well as a photo of the plumber and additional information about him.  I really appreciated all of this info and it was very seamless in the presentation and delivery.  The plumber who did the job, Myron, was probably the best plumber I have have dealt with!  He was friendly, smart, and expert, and most importantly got the job done, and quickly!  The price was very reasonable and his van with all of his equipment was state of the art.  I could go on and on about how amazing Myron and Ally City Plumbers are and I HIGHLY RECOMMEND them!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+42

9 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Paul White HVAC Service
Paul White HVAC Service
5.0(
21
)
Central A/C - Service or Repair

Serving Santa Ana, CA and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

We have over 20 + years of industry experience, and are dedicated to providing our clients with the very best in installation, service, and repair for your heating and cooling needs. Our company foundation is built on honesty and integrity. We specialize in Central A/C, Heating and Furnace systems in addition to a variety of HVAC-related projects. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building long-term relationships with our clients, and guarantee your satisfaction!

Response time1 day
2 neighbors recently requested a quote
Recommended by66%of homeowners
Avatar for Northstar PHAC, Inc.
Northstar PHAC, Inc.
4.5(
128
)
Central A/C - Service or Repair

Serving Santa Ana, CA and surrounding areas

Approved

In business since 2008

Free estimates

Credit card accepted

"The Tech went above and beyond to do my inspection and service. I did nor buy the yearly maintenance plan and I did not buy the $190. furnace filter ($20) at Home Depot. I had and still have a problem with the system. It makes a growling noise every 2 minutes or so. Thanks so much, anyways."
FURNACE AND COIL
new furnace
Our Beautiful Installs
Our Beautiful Installs
Our Beautiful Installs

+29

Response time3 hrs
Response rate94%
15 neighbors recently requested a quote
Avatar for Penguin Heating and Air Inc
Penguin Heating and Air Inc
5.0(
15
)
Central A/C - Service or Repair

Serving Santa Ana, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Emergency services offered

"Very knowledgeable, professional, and great customer service! Penguin, serviced our central AC & Heat and they explained everything to us before performing the work. They also replaced our moldy insulation in our attic. They packed and transported the old moldy insulations, ensuring that the mold does not spread, and they left our house free of any mess. I'd recommend Penguin Heating and Air to anybody in need of AC/Heat service, repair, or installation."
Diamond Bar
Diamond Bar
Diamond Bar
Furnace Install
AC Condenser

+6

Response time2 hrs
Response rate100%
15 neighbors recently requested a quote
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Showing 1-10 of 377
FAQs for central a/c service or repair projects in Santa Ana, CA

Coils work to absorb heat into the refrigerant that flows through them, moving heat from one location to another. For air conditioning, the evaporator coil inside the air handler in your home absorbs heat. It then transfers the heat outside to the condenser coil, where it releases it. The opposite process happens for heat pumps. When the coils get dusty and dirty, it reduces how well these components work.

Skip regular cleanings, and dirt, debris, and mineral deposits will blanket your evaporator and condenser coils. When that happens, the coils can’t shed heat efficiently, so the system works harder and your energy bill climbs. Over time, overheating strains the compressor and can trigger a full breakdown—an avoidable repair that often costs far more than a simple annual cleaning.

AC coil cleaning is an investment that pays for itself in the benefits it provides. Dust‑caked coils force your AC to run longer, so you spend more on electricity and rack up extra wear. A quick professional cleaning restores efficiency, trims monthly bills, and eases strain on expensive parts. Over the long haul, that small yearly fee delays pricy repairs and stretches the unit’s lifespan, making coil cleaning one of the smartest HVAC tune‑ups you can schedule.

Watch for higher electric bills, rooms that stay warm no matter how low you set the thermostat, or an AC system that runs nonstop. Extra humidity and frost on the coils are also red flags. Catching these clues early lets you schedule a quick cleaning before the system overworks itself and triggers an expensive breakdown.

Your AC cleaning technician starts by shutting off the power to the unit and removing the faceplate. Compressed air and a vacuum hose blast away loose debris, followed by a coil-safe, no-rinse cleaner that dissolves stubborn grime. After the solution has soaked in, the professional wipes the fins, reassembles the housing, and restores power, leaving the system ready to cool at peak efficiency.

The Santa Ana, CA homeowners’ guide to central a/c service or repairs

From average costs to expert advice, get all the answers you need to get your job done.