Fall Special: $89 Furnace Tune-Up (reg. $129)See current offers →
2650 Walnut Ave, Suite P, Tustin, CA Lic. #1062690
For a faster response, text usCall or text: (949) 933-3130

Local HVAC – Repair, Maintenance, Install

HVAC, AC & Heating Services in Santa Ana, CA

Fast, reliable HVAC repair, maintenance, and installation from certified local technicians. Upfront flat-rate pricing, honest recommendations. Text us for a faster response.

★★★★★ 5.0 on Google · 250+ reviews
★★★★★ Yelp · 200+ reviews
Google Guaranteed
5-Star Rated
Licensed & Insured
Same-Day Service

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Same-day response on most requests. No obligation.

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HVAC service across Santa Ana’s neighborhoods

We keep homes comfortable throughout Santa Ana — from the historic Craftsman and Spanish-style houses in Floral Park, French Park, and Washington Square to the newer condos and townhomes near South Coast Metro and MainPlace. Many older Santa Ana homes still run aging furnaces and original ductwork that benefit from a modern, efficient upgrade, while newer builds near the I-5 and SR-55 corridors need right-sized air conditioning to handle hot inland summers.

Our licensed technicians cover every Santa Ana ZIP code — 92701, 92703, 92704, 92705, 92706 and 92707 — including Downtown Santa Ana, Logan, Park Santiago, Morrison Park, Riverview, and the South Coast Metro district. Whether it’s same-day AC repair near Downtown, a furnace replacement in Floral Park, or a tune-up for a rental near Santa Ana College, we respond fast across the city. Call (949) 933-3130 or request service online.

South County Air Services technicians installing AC condensers on a Santa Ana rooftop

South County Air Services provides fast, reliable air conditioning and heating service in Santa Ana, California. From the historic bungalows of Old Town Santa Ana to the newer homes of Santa Ana Ranch and Santa Ana Legacy, we know the local housing stock well — in fact, our shop is right here in Santa Ana. We’re a local, family-owned and owner-operated team offering same-day appointments, upfront flat-rate pricing, and Mon-Sat emergency service.

AC & heating services in Santa Ana

Maintenance

Spring & fall tune-ups that keep your system efficient and prevent breakdowns.

Tune-ups in Santa Ana →

Repair

Same-day & Mon-Sat repair for AC, furnaces, heat pumps and thermostats — all brands.

Repair in Santa Ana →

Installation

New high-efficiency systems, correctly sized, with financing available.

Install in Santa Ana →

Why Santa Ana homeowners choose us

  • Local, family-owned & owner-operated — you talk to a real person
  • Same-day service & Mon-Sat emergency response
  • Upfront, flat-rate pricing — no surprises
  • Background-checked, factory-trained technicians
  • Licensed & insured (CA License #1062690)
  • 5-star rated on Google & Yelp

Furnace & heater repair in Santa Ana

When the heat does not come on the first cold night, we fix it the same day, Monday through Saturday. Our crew repairs gas furnaces, heat pumps in heating mode and thermostats of every brand across Santa Ana. The diagnostic is $79, waived when we do the repair, and every price is quoted flat-rate before any work starts, so there is no hourly meter running and no upsell.

Common furnace repairs and what they cost in Santa Ana:

  • Flame sensor cleaning or replacement: $250–$350
  • Hot-surface igniter: $350–$450
  • Pressure switch or inducer check: $400–$600
  • Inducer motor: $600–$1,200
  • Control board: $450–$900
  • Blower motor: $900–$1,400
  • Thermostat replacement: $350–$500

Furnace blowing cold air, not turning on, short cycling, a burning smell at first start, or a heat pump that will not warm the house: those are the calls we see most in Santa Ana every winter, and most are fixed in a single visit. Not broken yet? Our $89 fall furnace tune-up (regularly $129) catches a dirty flame sensor or a failing igniter before it leaves you cold. See the full furnace repair page or heat pump repair. Call or text (949) 933-3130; for a faster response, text.

Santa Ana HVAC FAQ

Do you offer same-day HVAC service in Santa Ana?
Yes: we offer same-day appointments and Mon-Sat emergency AC and heating service throughout Santa Ana and the surrounding South Orange County area. Call (949) 933-3130.
How much does a new AC or HVAC system cost?
Most full 3-ton system replacements start around $14,000. A gas system (new AC and gas furnace) typically runs $16,000 to $21,000 installed; a 3-ton heat pump typically runs $14,000 to $20,000. Three tons is the typical minimum, and larger or higher-efficiency systems cost more. We size it right for your Santa Ana home, offer financing, and give a free in-home estimate.
How long does a new system installation take?
Most standard AC or furnace replacements in Santa Ana are done in a single day. Jobs with new ductwork can take a few days; we give a clear timeline upfront.
How fast can you fix my furnace in Santa Ana?
Usually the same day. We run furnace and heater repair calls in Santa Ana Monday through Saturday: 7am to 6pm on weekdays and 7am to 1pm on Saturdays. Call or text (949) 933-3130 and we will give you an arrival window; texting gets the fastest response.
How much does furnace repair cost in Santa Ana?
The diagnostic is $79 and is waived if we do the repair. Common furnace repairs in Santa Ana run $250 to $450 for a flame sensor or igniter, $450 to $900 for a control board, and $900 to $1,400 for a blower motor. Every repair is quoted flat-rate before work starts, so the price you approve is the price you pay.

Need AC or heating help in Santa Ana?

Same-day & Mon-Sat service across South Orange County.

📞 Call (949) 933-3130

Nearby areas we serve: Orange · Tustin · Costa Mesa · Fountain Valley

Helpful HVAC Terms

Quick definitions for the parts and terms behind your comfort system.

RefrigerantThe fluid that absorbs and releases heat as it cools or heats your home.R-454B (Puron Advance)The new low-GWP refrigerant in Bryant and Carrier 2025+ systems, replacing R-410A.SEER2An AC cooling-efficiency rating; higher means lower energy bills.AFUEFurnace efficiency rating – the percentage of fuel turned into usable heat.BTUBritish Thermal Unit – a measure of heating or cooling energy.TonA measure of cooling capacity; one ton equals 12,000 BTU per hour.
See the full HVAC Glossary →

Limited-time savings

Current specials & offers

Real savings on the services your home needs — just mention these when you call.

$89

Furnace Safety Tune-Up

Regularly $129. A full furnace inspection, cleaning and safety check before the first cold night, so your heat comes on safe and smelling clean.
Limited time. Cannot be combined with any other offer.

FREE

New System Quote

A no-pressure price to install a brand-new HVAC system. Replacements only, not a repair visit — free, with no obligation.
No obligation. Cannot be combined with any other offer.

$1,000 OFF

A New Full System

Save $1,000 on a brand-new high-efficiency full HVAC system installation (17 SEER or higher).
On qualifying high-efficiency systems rated 17 SEER or higher. Cannot be combined with any other offer.

$50 OFF

Any Repair

Save on any HVAC repair — plus a free second opinion on a quoted replacement.
Cannot be combined with any other offer. Mention when you call.

5-star rated

What your neighbors say

Real reviews from real Orange County homeowners.
★★★★★

I cannot thank South County Air Services enough for impeccable customer service. Behshad came out on a Saturday to check my heating unit (failing motor). He was professional, knowledgeable, courteous and thorough – extremely fair pricing, with open and honest communication. Highly recommend. Five star plus!

KM

Kelly M.
Verified Yelp review
★★★★★

Super impressed with our experience. We needed to replace our 40+ year old furnace, and from the first call everything was easy and clearly explained. Responsive, great follow-up, great pricing, timely booking, installers on time and prepared, clean install, no mess left.

DM

D. M.
Verified Yelp review
★★★★★

I am grateful to the technician who inspected my HVAC system today. I feel he did a thorough inspection and told me the truth about my unit. I had two other companies beforehand – the first gave me a report that would call for major expenditure.

EM

Elena M.
Verified Yelp review
★★★★★

You will not find a more honest and knowledgeable HVAC tech. They show up on time and are very professional, but most of all will not try to upcharge you. He could have charged me significantly more but cares about diagnosing the actual problem. I found my HVAC tech – 10 star review if I could!

PV

Pat V.
Verified Yelp review
★★★★★

It’s not often you find an honest business willing to give suggestions over the phone to troubleshoot why my HVAC wasn’t working – without charging me. After a couple minutes we determined my breaker popped and all I needed was to reset it. I appreciate Behshad and will definitely use him in the future.

HJ

Heng J.
Verified Yelp review
★★★★★

I spoke with the owner on a Saturday morning and he was at my house within 45 minutes. Another company wanted $3,000 in repairs; Behshad recommended a simple $250 repair that fixed the issue. Very honest, thorough, and reliable!

AS

Alex S.
Verified Google review
★★★★★

I cannot thank South County Air Services enough for impeccable customer service. Behshad came out on a Saturday to check my heating unit (failing motor). He was professional, knowledgeable, courteous and thorough – extremely fair pricing, with open and honest communication. Highly recommend. Five star plus!

KM

Kelly M.
Verified Yelp review
★★★★★

Super impressed with our experience. We needed to replace our 40+ year old furnace, and from the first call everything was easy and clearly explained. Responsive, great follow-up, great pricing, timely booking, installers on time and prepared, clean install, no mess left.

DM

D. M.
Verified Yelp review
★★★★★

I am grateful to the technician who inspected my HVAC system today. I feel he did a thorough inspection and told me the truth about my unit. I had two other companies beforehand – the first gave me a report that would call for major expenditure.

EM

Elena M.
Verified Yelp review
★★★★★

You will not find a more honest and knowledgeable HVAC tech. They show up on time and are very professional, but most of all will not try to upcharge you. He could have charged me significantly more but cares about diagnosing the actual problem. I found my HVAC tech – 10 star review if I could!

PV

Pat V.
Verified Yelp review
★★★★★

It’s not often you find an honest business willing to give suggestions over the phone to troubleshoot why my HVAC wasn’t working – without charging me. After a couple minutes we determined my breaker popped and all I needed was to reset it. I appreciate Behshad and will definitely use him in the future.

HJ

Heng J.
Verified Yelp review
★★★★★

I spoke with the owner on a Saturday morning and he was at my house within 45 minutes. Another company wanted $3,000 in repairs; Behshad recommended a simple $250 repair that fixed the issue. Very honest, thorough, and reliable!

AS

Alex S.
Verified Google review

Comfort now, pay over time.

$0 down and flexible monthly financing available on qualifying systems, with approved credit.

See financing options

Too hot or too cold?

Let’s make your home comfortable again.

Same-day service from certified local pros — open Mon-Sat.

Book online

(949) 933-3130

HVAC in Santa Ana: what local homeowners should know

Santa Ana’s historic neighborhoods — Floral Park, French Park, Washington Square — are full of 1920s–40s Craftsman and Spanish homes with original ductwork and older systems, while the condos and townhomes near South Coast Metro and MainPlace have their own venting constraints. Inland summers along the I-5 and SR-55 corridors demand right-sized cooling, and many older Santa Ana homes benefit from a modern, properly sealed system. We tune, repair, or upgrade to fit the home, with flat-rate pricing so you know the cost before we start.

South County Air Services is a family-owned, owner-operated HVAC company based in Tustin, CA (CSLB license #1062690), holding a 5.0-star Google rating across 250+ reviews. We serve all of Orange County Mon-Sat with flat-rate pricing, and as a Bryant dealer we install, repair, and maintain air conditioning, heating, heat pump, and indoor-air-quality systems. Because the licensed owner runs the jobs — not a commissioned salesperson — our customers consistently say we give honest recommendations and do not upsell.

What Santa Ana-area customers say

★★★★★

“We hired them after our AC broke — easy to contact, and their prices were very reasonable and honest. Behshad is knowledgeable and explained everything clearly.”

— Jonathan Domalanta, Google review
★★★★★

“A wonderful experience with Behshad and his team. They came out quickly, arrived on time, and fixed our HVAC issues with ease. They will be our first call in the future.”

— Chris Connell, Google review
★★★★★

“Behshad was so friendly and efficient. He showed up within an hour and a half of my call, looked at my system, and showed me I was not using the thermostat correctly. Wonderful service.”

— Shelly Houck, Google review

Read all 228 five-star Google reviews →

Serving north & central Orange County: see our HVAC repair in Garden Grove — flat-rate pricing, 5.0-star rated, same-day help.

Areas We Serve Across Orange County
Family-owned HVAC repair, installation & maintenance near you
TustinIrvineAnaheimSanta AnaOrangeGarden GroveFullertonPlacentiaVilla ParkYorba LindaWestminsterFountain ValleyHuntington BeachCosta MesaNewport BeachNewport CoastLake ForestFoothill RanchPortola HillsMission ViejoRancho Santa MargaritaCoto de CazaTrabuco CanyonLadera RanchLas FloresLaguna HillsLaguna WoodsLaguna NiguelLaguna BeachAliso ViejoDana PointSan Juan CapistranoSan ClementeCapistrano Beach
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