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2650 Walnut Ave, Suite P, Tustin, CA Lic. #1062690
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Indoor Air Quality

Heat Pump Repair in Orange County

Heat pump not heating, not cooling, or running non-stop? We diagnose and repair all brands — open Mon-Sat across South Orange County.

★★★★★ 5.0 on Google · 250+ reviews
★★★★★ Yelp · 200+ reviews
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5-Star Rated
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What heat pump repair involves

A heat pump works year-round — heating in winter and cooling in summer — so it runs far more than a standard AC and tends to wear sooner. A proper repair starts with a full diagnostic, not a guess: we test the refrigerant charge, the reversing valve that switches the system between heating and cooling, the compressor, capacitors and contactors, the defrost control, sensors, and airflow. Once we pinpoint the fault, we explain it in plain English and fix it.

Common heat pump problems we fix

  • ✓Heat pump not heating or not cooling — often a refrigerant leak, reversing valve, or compressor issue
  • ✓Outdoor unit iced over in winter beyond a normal defrost cycle
  • ✓Short-cycling or running constantly — thermostat, sensor, low charge, or airflow
  • ✓Failed capacitor or contactor — a common, affordable fix
  • ✓Strange noises, a tripping breaker, or weak airflow
  • ✓All brands serviced, with honest repair-vs-replace advice if the system is old
Technician diagnosing and repairing a heat pump

How it works

We start with a full diagnostic to find the real cause, give you a clear upfront quote before any work, complete the repair, then test the system in both heating and cooling modes to confirm it is fixed. If your heat pump is old or the repair is major, we show you the numbers so you can make an informed repair-or-replace decision — no pressure.

Good to know: Some icing on the outdoor coil in winter is normal — the unit periodically runs a defrost cycle. Heavy, persistent ice, or any ice during cooling season, is not normal and means it needs service.
Heat pump acting up?
We diagnose all brands and offer same-day and Mon-Sat emergency repair.

Get a free quote

Frequently Asked Questions

Why does my heat pump run constantly?
In cold weather a heat pump naturally runs longer than an AC, which is normal. But near-constant running with weak heat usually points to low refrigerant, a dirty coil, a stuck reversing valve, or a thermostat issue — all of which we can diagnose.
Why is my heat pump frozen or iced over?
A light frost that clears during the defrost cycle is normal in winter. Thick ice that stays, or any icing while cooling, signals a problem such as low refrigerant, a failed defrost control, or restricted airflow. Turn the system off and call us to avoid compressor damage.
How much does heat pump repair cost?
It depends on the part. Common repairs like a capacitor or contactor are typically a few hundred dollars; bigger jobs like a reversing valve or compressor cost more. We give you an exact quote after the diagnostic, before any work begins.
Should I repair or replace my heat pump?
As a rule of thumb, if the system is over 10 to 15 years old and the repair is a large share of replacement cost, replacing often makes more sense. We show you the numbers honestly so you can decide.
Do you repair all heat pump brands?
Yes. We service and repair heat pumps of all major brands. We are a Bryant dealer for new systems, but we repair whatever you have.

Helpful HVAC Terms

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

Reversing ValveLets a heat pump both heat and cool by reversing refrigerant flow.Defrost CycleBriefly reverses to melt frost off the outdoor coil in cold weather.Auxiliary / Emergency HeatBackup electric heat that kicks in during very cold spells.Air-Source Heat PumpMoves heat between your home and the outdoor air year-round.R-454B (Puron Advance)The new low-GWP refrigerant in Bryant and Carrier 2025+ systems, replacing R-410A.HSPF2A heat pump heating-efficiency rating; higher means lower bills.
See the full HVAC Glossary →
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Current specials & offers

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

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.

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A New Full System

Save $1,000 on a brand-new high-efficiency full HVAC system installation.
With qualifying high-efficiency heat pump install. Cannot be combined with any other offer.

$50 OFF

Heat Pump Repair

Save on any heat pump repair when our techs restore your year-round comfort.
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.

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Too hot or too cold?

Let’s make your home comfortable again.

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

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(949) 933-3130
Areas We Serve Across Orange County
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