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

Heat Pump Installation in Orange County

Upgrading to a heat pump or replacing an old system? We size it right and install it clean for efficient heating and cooling all year — free in-home estimate.

★★★★★ 5.0 on Google · 250+ reviews
★★★★★ Yelp · 200+ reviews
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What a proper heat pump installation involves

A heat pump replaces both your air conditioner and your furnace with a single system that heats and cools. Getting the most out of it is about far more than swapping the box — sizing, refrigerant lines, electrical, and airflow all decide how efficient and comfortable it ends up. Here is what a quality installation includes.

What is included in our installation

  • ✓A load calculation (Manual J) to size the system to your actual home — not a square-foot guess
  • ✓Matched indoor and outdoor equipment at the right SEER2/HSPF efficiency for your budget
  • ✓New or flushed line set, correct refrigerant charge, and new electrical, disconnect, and pad
  • ✓Smart thermostat setup, plus an airflow and ductwork check so the system breathes properly
  • ✓Permits and code compliance, and haul-away of your old equipment
  • ✓A walkthrough so you know exactly how to run your new system
Newly installed outdoor heat pump unit

How it works

We start with a free in-home assessment and a proper load calculation, recommend the right-sized system and efficiency level, then handle the full installation — line set, refrigerant, electrical, thermostat, and airflow — finishing with testing in both heating and cooling and a walkthrough. Most installations are completed in one to two days.

Good to know: Orange County’s mild climate makes a heat pump an excellent fit for most homes. The federal 25C tax credit ended December 31, 2025, but SCE rebates and low-interest GoGreen state financing may still apply — we confirm what your home currently qualifies for.
Thinking about a heat pump?
Get a free in-home estimate and a right-sized recommendation for your home.

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Frequently Asked Questions

How much does heat pump installation cost in Orange County?
A new heat pump system typically runs about $11,000 to $22,000 or more installed, depending on size, efficiency, and your existing setup. We give a firm quote after a free in-home assessment.
How long does a heat pump installation take?
Most replacements are completed in one to two days. A more involved job — new ductwork, electrical upgrades, or a difficult location — can take longer, and we tell you upfront.
What size heat pump do I need?
The right size comes from a Manual J load calculation that accounts for your home’s square footage, insulation, windows, and layout — not a rule of thumb. An oversized or undersized system wastes energy and wears out faster, so we size it properly.
Is a heat pump a good choice in Orange County?
Yes — our mild climate is close to ideal for heat pumps, which heat and cool efficiently from one system. In very cold climates a backup heat source matters more, but that is rarely a concern here.
Are there rebates or financing for a new heat pump?
The federal 25C tax credit ended December 31, 2025, but Southern California Edison rebates and low-interest GoGreen state financing may still apply, and we offer flexible financing. We confirm what your home currently qualifies for.

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 →
Limited-time savings

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.

$1,000 OFF

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.

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.

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