Heating & Air Conditioning Maintenance in South Orange County
Keep your AC and heating running efficiently all year. Multi-point tune-ups, coil and filter cleaning, and seasonal tune-ups that prevent breakdowns and extend equipment life. Text us for a faster response.
Get a fast free quote
Same-day response on most requests. No obligation.
$89 Furnace Tune-Up in Orange County
Regularly $129. A full furnace inspection, cleaning and safety check before the first cold night. No plan or membership.
Replacing your system? $1,000 off a new high-efficiency system (17 SEER or higher).
For a faster response, text. Limited time. Cannot be combined with any other offer.
Why HVAC maintenance matters
Most heating and cooling breakdowns are preventable. In Orange County’s climate — long, hot summers and cool, damp winters — your system runs hard, and small issues like a dirty coil or low refrigerant quietly waste energy and shorten its life. A regular tune-up keeps your equipment efficient, catches problems before they become expensive repairs, and is often required to keep your manufacturer’s warranty valid. Most homeowners benefit from an AC tune-up in spring and a heating tune-up in fall.
What’s included in a South County tune-up
❄ Cooling tune-up
- Check refrigerant levels & pressures
- Clean condenser & evaporator coils
- Test capacitors, contactors & wiring
- Calibrate thermostat
- Inspect drain line & clear clogs
🔥 Heating tune-up
- Inspect heat exchanger for cracks
- Test ignition & flame sensor
- Check gas pressure & connections
- Verify safety controls
- Burner and flame inspection
🌬 Airflow & air quality
- Replace or inspect filters
- Check ductwork for leaks
- Measure airflow & temperature split
- Inspect blower motor
- Recommend IAQ improvements
The payoff: lower bills, fewer breakdowns, longer life
- Lower energy bills — a clean, tuned system can use noticeably less electricity and gas.
- Fewer surprise breakdowns — we catch worn parts before they fail on the hottest day of the year.
- Longer equipment life — maintained systems commonly last years longer than neglected ones.
- Protected warranty — manufacturers often require documented annual maintenance.
Seasonal tune-ups, no membership required
We do not sell maintenance plans or memberships. Book a spring AC tune-up and a fall furnace tune-up when you need them, one flat price each, and we will catch small problems before they become expensive breakdowns. See what a real heater maintenance visit involves and which MERV filter to use between visits.
Local, licensed & trusted
South County Air Services is a family-owned, owner-operated company based in Tustin (CA License #1062690). When you call, you talk to a real person, and the technician at your door is one of our own — background-checked and factory-trained. We also offer AC & heating repair and new system installation.
We provide maintenance across South Orange County, including Irvine, Tustin, Mission Viejo, Lake Forest, Laguna Niguel, San Clemente and more.
Maintenance FAQ
How much does an AC or furnace tune-up cost?
How often should I service my AC and heater?
Is an annual HVAC tune-up worth it?
What is included in a tune-up?
Does maintenance actually lower my energy bill?
How often should I change my air filter?
Ready for a tune-up?
Same-day appointments available across South Orange County, 7 days a week.
Helpful HVAC Terms
Quick definitions for the parts and terms behind your comfort system.
Helpful guides
How often should you service your HVAC system? · What an AC tune-up costs
Current specials & offers
New System Quote
Seasonal Tune-Up
What your neighbors say
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!
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.
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.
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!
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.
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!
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!
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.
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.
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!
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.
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!
Comfort now, pay over time.
$0 down and flexible monthly financing available on qualifying systems, with approved credit.
Let’s make your home comfortable again.
Same-day service from certified local pros — open Mon-Sat.