21 Best HVAC Contractors in Irvine for 2026

❄️ 21 businesses · 📍 Irvine, CA
✓ Verified Google reviews · ✓ Reviewed regularly · ✓ Updated June 6, 2026
Mark Reid
Written by Mark Reid, Home Services Editor · Verified June 6, 2026
Irvine's climate puts HVAC systems through their paces in ways that aren't obvious until something breaks. Summers regularly push past 90°F, and the marine layer that rolls in from Newport Coast keeps humidity levels unpredictable enough to stress cooling systems that aren't properly sized or maintained. The housing stock here skews heavily toward planned community developments, think Woodbridge, Turtle Rock, Northwood, and Portola Springs, where tract homes built between the late 1970s and early 2000s often have ductwork that's overdue for inspection or replacement. Newer master-planned neighborhoods like Great Park feature modern high-efficiency systems, but those come with their own complexity around smart thermostats, zoning, and manufacturer warranty requirements. Mineral buildup from Irvine's hard municipal water is also a real factor for water heaters and heat pump coils, so any contractor worth calling should know how to account for it.

Every business on this page was drawn from third-party public business listings and ranked by public review rating alongside total review count, with a small additional lift for businesses that have a working website and a reachable phone number. Those signals together tend to reflect real operating businesses rather than dormant ones. Before any business makes it onto the page, we check its homepage to confirm that HVAC contracting is what it primarily does, which keeps unrelated trades from slipping through. Permanently closed listings are removed automatically. Where you see a Trust Verified badge on a specific business, that contractor has gone further and passed our full independent verification, covering trade qualifications and accreditations, public liability insurance, trading history, customer review history, and registered company information. Our How We Verify page lists exactly what that covers. Businesses without that badge have not been independently verified by us, and you should carry out those checks yourself before booking.

Before you commit to anyone, ask each contractor to provide proof of their California contractor's license (the CSLB license number is public and verifiable online in seconds), and confirm they carry both general liability insurance and workers' compensation coverage. For any new equipment installation, ask whether the contractor pulls the required Irvine building permits, because unpermitted work can create problems when you sell the property. Get at least two or three written quotes that itemize labor and equipment separately, since a low headline price sometimes masks a stripped-down unit with a short warranty. If a contractor is recommending a full system replacement, ask why repair isn't an option first, and get the load calculation in writing so you know the new system is actually sized for your home's square footage.
How We Select & Rate The Best HVAC Contractors in Irvine, CA

Rankings on this page are driven by public review rating and review count pulled from third-party business listings, with a small lift applied to businesses that have a working website and a reachable phone number. We check each business's homepage to confirm that HVAC contracting is the primary trade on offer, which keeps unrelated businesses off the page. Permanently closed listings are removed automatically. Businesses displaying a Trust Verified badge have additionally passed our full independent verification, covering qualifications, insurance, trading history, customer review history, and registered company information. See our How We Verify page for the complete list. All other businesses on this page have not been independently verified by us, and inclusion is not an endorsement. Always carry out your own checks before hiring.

Recommended and Featured listings are paid placements, so a business's fee affects whether and where it appears. Every other listing is ranked on rating and review count from third-party business listings. How we rank & verify →

Quick Comparison — HVAC Contractors in Irvine, CA

# Business Rating Reviews Phone
1 One Season Heating and Air Conditioning ⭐ 5.0 214 (949) 787-5402 View →
2 Metro Appliance Service LLC ⭐ 4.7 211 (949) 565-4015 View →
3 HIGH SIDE HVAC & Appliance ⭐ 4.9 102 (949) 337-3836 View →
4 True North Heating & Air ⭐ 4.9 90 (949) 669-7337 View →
5 Irvine Air ⭐ 5.0 75 (949) 320-3664 View →
6 Guaranteed Quality Heating and Air ⭐ 4.6 144 (714) 389-3925 View →
7 AC Repair ⭐ 5.0 63 (949) 353-6929 View →
8 Airotech ⭐ 5.0 58 (949) 229-0888 View →
9 Pacific Comfort HVAC ⭐ 5.0 46 (949) 689-2200 View →
10 Starlight Heating and Air Conditioning ⭐ 4.2 154 (949) 529-1751 View →
11 Marina HVAC ⭐ 4.8 35 (855) 354-1793 View →
12 Easy Air Heating and Air Conditioning ⭐ 5.0 24 (949) 569-5659 View →
13 Caspian Air ⭐ 5.0 19 (949) 344-6467 View →
14 Orange County HVAC Repair ⭐ 4.7 18 (949) 628-1145 View →
15 Kemnitz Air Conditioning & Heating Inc. ⭐ 4.5 24 (949) 453-8500 View →
16 AGE mechanical Orange county ⭐ 5.0 9 (323) 396-9557 View →
17 AVANESIAN MECHANICAL HEATING & AIR CONDITIONING ⭐ 5.0 8 (949) 307-5707 View →
18 Dr. Air Pro Services ⭐ 5.0 7 (949) 404-4470 View →
19 Hi-Tek Mechanical ⭐ 5.0 7 (949) 258-2582 View →
20 So Cal Plumbing Heating & Air Conditioning ⭐ 4.6 10 (888) 686-8077 View →
21 Irvine HVAC Repair ⭐ 5.0 3 (949) 385-5929 View →

Our Top Picks

1
One Season Heating and Air Conditioning
Not Verified
5.0 (214 reviews)
Irvine, CA (949) 787-5402

HVAC contractors serving Irvine and the surrounding area, One Season Heating and Air Conditioning handles installation, repair, and maintenance for residential and light commercial systems. The company holds a 5-star rating across 214 Google reviews, a consistent record that points to reliable service in the 92618 corridor and neighboring communities.

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2
Metro Appliance Service LLC
Not Verified
4.7 (211 reviews)
Irvine, CA (949) 565-4015

Homeowners and commercial properties across Irvine rely on Metro Appliance Service LLC for heating and cooling work in the 92612 area. The company holds a 4.7-star rating across 211 Google reviews, reflecting consistent results from a steady volume of local jobs. Services cover installation, repair, and maintenance for residential and light-commercial HVAC systems.

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3
HIGH SIDE HVAC & Appliance
Not Verified
4.9 (102 reviews)
Irvine, CA (949) 337-3836

Specializing in both HVAC systems and appliance repair under one roof, High Side HVAC & Appliance serves residential customers in Irvine with a scope that most single-trade contractors don't offer. The company holds a 4.9-star rating across 102 Google reviews, reflecting consistent work across heating, cooling, and household appliances. It's a practical option for homeowners who want one contractor for multiple systems.

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4
True North Heating & Air
Not Verified
4.9 (90 reviews)
Irvine, CA (949) 669-7337

Rated 4.9 stars across 90 Google reviews, True North Heating & Air serves residential and commercial customers in Irvine with heating, cooling, and ventilation work. The 92618-area contractor handles installs, repairs, and maintenance across a range of HVAC systems. That rating, sustained over a substantial number of reviews, points to consistent results rather than a one-off impression.

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5
Irvine Air
Not Verified
5.0 (75 reviews)
Irvine, CA (949) 320-3664

Specializing in residential HVAC installation and repair, Irvine Air serves customers throughout the 92602 area with a consistently rated service record, earning a 5-star average across 75 Google reviews. The company handles heating and cooling systems for local homeowners, from routine maintenance to full system replacements. Irvine-based and independently operated, it offers a focused alternative to larger regional contractors.

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6
Guaranteed Quality Heating and Air
Not Verified
4.6 (144 reviews)
Irvine, CA (714) 389-3925

Guaranteed Quality Heating and Air is an HVAC contractor serving Irvine and the surrounding area. The company holds a 4.6-star rating across 144 Google reviews, reflecting consistent work in heating and cooling installation, repair, and maintenance. Homeowners in the 92618 zip code and nearby communities turn to them for reliable climate control service.

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7
AC Repair
Not Verified
5.0 (63 reviews)
Irvine, CA (949) 353-6929

Cooling system repair is the core focus at AC Repair, an HVAC contractor serving Irvine residents. The company holds a 5-star rating across 63 Google reviews, reflecting consistent work on air conditioning units throughout the area. Services follow what the category implies, covering diagnostics, repairs, and standard HVAC maintenance for local homes and businesses.

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8
Airotech
Not Verified
5.0 (58 reviews)
Irvine, CA (949) 229-0888

Airotech is an HVAC contractor serving Irvine and the surrounding area, with a focus on residential and commercial heating and cooling systems. The company holds a five-star Google rating across 58 reviews, reflecting consistent work quality in the 92602 area and nearby zip codes. Customers can find service details and contact information at airotechhvac.com.

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9
Pacific Comfort HVAC
Not Verified
5.0 (46 reviews)
Irvine, CA (949) 689-2200

Pacific Comfort HVAC is a heating and cooling contractor serving Irvine and the surrounding area. The company holds a 5-star rating across 46 Google reviews, reflecting consistent results on residential and light commercial installs, repairs, and maintenance. A solid track record in a competitive Southern California market makes them a straightforward choice for homeowners managing year-round climate control needs.

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10
Starlight Heating and Air Conditioning
Not Verified
4.2 (154 reviews)
Irvine, CA (949) 529-1751

Specializing in residential heating and air conditioning work, Starlight Heating and Air Conditioning serves the Irvine 92606 area with installation, repair, and maintenance services. The company holds a 4.2-star rating across 154 Google reviews, reflecting consistent performance among local homeowners. Starlight operates as a focused HVAC contractor rather than a broad home-services outfit.

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11
Marina HVAC
Not Verified
4.8 (35 reviews)
Irvine, CA (855) 354-1793

Rated 4.8 out of 5 across 35 Google reviews, Marina HVAC serves residential and commercial customers in Irvine with heating, cooling, and ventilation work. The company operates out of the 92618 area, giving it a practical focus on that part of Orange County. Customers consistently point to reliable diagnostics and straightforward service as reasons for returning.

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12
Easy Air Heating and Air Conditioning
Not Verified
5.0 (24 reviews)
Irvine, CA (949) 569-5659

Heating and air conditioning contractor serving Irvine and the surrounding Orange County area, Easy Air handles installation, repair, and maintenance for residential HVAC systems. The company holds a 5-star rating across 24 Google reviews, reflecting consistent work quality among local homeowners. Neighbors looking for straightforward service without upsells will find the company's approach refreshingly direct.

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13
Caspian Air
Not Verified
5.0 (19 reviews)
Irvine, CA (949) 344-6467

Homeowners and businesses in Irvine rely on Caspian Air for heating, cooling, and ventilation work across Orange County. The company holds a perfect five-star rating across 19 Google reviews, a consistent signal of quality for a contractor operating in a market where reliable HVAC service is a year-round necessity. Caspian Air handles both installation and maintenance for residential and commercial clients.

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14
Orange County HVAC Repair
Not Verified
4.7 (18 reviews)
Irvine, CA (949) 628-1145

Orange County HVAC Repair is a heating and cooling contractor serving Irvine and the surrounding area. The company holds a 4.7-star Google rating across 18 reviews, reflecting consistent work on residential and commercial HVAC systems. Clients in the 92618 zip code and nearby communities contact them for installation, maintenance, and repair of air conditioning and heating equipment.

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15
Kemnitz Air Conditioning & Heating Inc.
Not Verified
4.5 (24 reviews)
Irvine, CA (949) 453-8500

Rated 4.5 stars across 24 Google reviews, Kemnitz Air Conditioning & Heating Inc. serves residential and commercial customers in Irvine with installation, repair, and maintenance of heating and cooling systems. The company operates out of the 92618 area, giving it a focused presence in that corridor of Orange County.

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16
AGE mechanical Orange county
Not Verified
5.0 (9 reviews)
Irvine, CA (323) 396-9557

Residential and commercial property owners in Irvine turn to AGE Mechanical for HVAC installation, repair, and maintenance across Orange County. The company holds a 5-star Google rating and operates out of the 92614 area, serving a range of heating and cooling needs for homes and businesses. A focused local footprint keeps response times practical for clients throughout the region.

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17
AVANESIAN MECHANICAL HEATING & AIR CONDITIONING
Not Verified
5.0 (8 reviews)
Irvine, CA (949) 307-5707

Specializing in heating and air conditioning installation and repair, Avanesian Mechanical Heating & Air Conditioning operates out of Irvine, serving residential and commercial clients across the area. The company holds a perfect 5-star rating across its Google reviews. Avanesian Mechanical handles both new system installations and ongoing maintenance, giving property owners a single contractor for the full life cycle of their HVAC equipment.

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18
Dr. Air Pro Services
Not Verified
5.0 (7 reviews)
Irvine, CA (949) 404-4470

Irvine-area residents and commercial property owners turn to Dr. Air Pro Services for heating, cooling, and ventilation work across Orange County. The company holds a five-star rating on Google and focuses on straightforward diagnostics and system installations rather than upselling. Its service area covers the broader Irvine corridor, making it a practical option for neighbors seeking reliable HVAC contractors nearby.

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19
Hi-Tek Mechanical
Not Verified
5.0 (7 reviews)
Irvine, CA (949) 258-2582

Homeowners and businesses in Irvine turn to Hi-Tek Mechanical for heating and cooling work across the 92614 area. The company carries a 5-star Google rating across its reviews, reflecting consistent results on installation, repair, and maintenance jobs. It operates as a focused local contractor rather than a large regional outfit.

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20
So Cal Plumbing Heating & Air Conditioning
Not Verified
4.6 (10 reviews)
Irvine, CA (888) 686-8077

Homeowners and businesses in Irvine turn to So Cal Plumbing Heating & Air Conditioning for plumbing, heating, and air conditioning work handled under one roof. The company holds a 4.6 rating across its reviews, reflecting consistent results for the 92604 area. Full-service coverage across trades makes it a practical option for properties needing coordinated mechanical work.

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21
Irvine HVAC Repair
Not Verified
5.0 (3 reviews)
Irvine, CA (949) 385-5929

Heating and cooling repair services for homes and businesses in Irvine, CA 92618 and the surrounding communities. Irvine HVAC Repair handles diagnostics, maintenance, and system replacements across residential and light commercial properties in the area. The company operates locally, making it a practical option for neighbors in the south Orange County corridor looking for prompt, area-specific service.

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Transparency notice: Recommended and Featured listings are paid placements, so a business's fee affects whether and where it appears. All other listings are ranked by a combined score drawn from ratings and review counts published on third-party business listings, plus basic completeness signals such as a working website and phone. A Trust Verified badge means we have independently checked that business's documents; businesses without it have not been independently verified by us. How we verify →

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Frequently Asked Questions

How much does an HVAC contractor cost in Irvine?
It depends a lot on what you need. A standard AC tune-up or maintenance visit typically runs $75 to $150. Refrigerant recharges add to that, usually $150 to $400 depending on the refrigerant type and how much the system needs. A single-zone ductless mini-split installation in a room addition or converted garage generally lands between $1,500 and $3,500 installed. A full central AC replacement for a typical Irvine tract home in the 1,500 to 2,500 square foot range usually costs $5,000 to $12,000, with the spread driven by the unit's SEER rating, the brand, and how much ductwork needs attention. Full HVAC system replacements, covering both heating and cooling, can run $10,000 to $20,000 or higher for larger homes or high-efficiency equipment. Getting two or three itemized quotes is completely normal and worth doing, because pricing across Irvine contractors varies more than most homeowners expect.
Do I need a permit for HVAC work in Irvine?
Yes, in most cases. The City of Irvine requires building permits for new HVAC installations and for like-for-like equipment replacements when the work involves electrical, refrigerant lines, or structural modifications. Routine repairs and maintenance generally don't require a permit, but swapping out a furnace, installing a new condenser unit, or adding ductwork almost always does. The permit process triggers an inspection, which is actually useful because it confirms the work meets California Title 24 energy code requirements. Ask any contractor upfront whether they pull permits as part of the job. If a contractor tells you permits aren't needed for a full replacement, that's a red flag worth pushing back on.
How often should I have my HVAC system serviced in Irvine?
Twice a year is the standard recommendation, once in spring before the cooling season ramps up and once in fall before you start running the heat. Irvine's dry, dusty conditions mean air filters and evaporator coils can clog faster than in more temperate climates, so skipping annual maintenance tends to show up as higher energy bills and shorter equipment life. If your home is near construction zones, which is common in newer neighborhoods like Portola Springs or the Great Park area, you may want to check filters more frequently. Most contractors offer maintenance agreements that cover both visits for a flat annual fee, typically $150 to $300, and those often include priority scheduling during the busy summer season.
What size HVAC system do I need for my Irvine home?
Sizing is done through a Manual J load calculation, which accounts for your home's square footage, ceiling height, insulation levels, window area and orientation, and local climate data. In Irvine, a rough rule of thumb is one ton of cooling capacity per 400 to 600 square feet, but that range is wide enough that guessing gets you into trouble. An oversized system will cool quickly but short-cycle, meaning it won't run long enough to pull humidity out of the air. An undersized system runs constantly and still can't keep up on a 95°F August afternoon. Any reputable contractor should perform a proper load calculation before recommending equipment, and you should ask to see it in writing. Be cautious of anyone who quotes a replacement system without asking about your home's layout, insulation, or window count.
My AC is blowing warm air. What's likely causing it?
A few things could be going on. The most common culprits are a low refrigerant charge from a slow leak, a dirty condenser coil on the outside unit, a failed capacitor, or a tripped circuit breaker. In Irvine's climate, condenser coils get caked with dust and cottonwood debris, especially if the unit is near landscaping, and a clogged coil forces the system to work harder until it eventually shuts down on high pressure. Before calling a contractor, check that your thermostat is set to cool and that the outdoor unit is actually running. If the breaker has tripped more than once, don't just keep resetting it. That usually points to an electrical problem or a failing compressor that needs a professional diagnosis. Refrigerant issues require an EPA-certified technician, so that's not a DIY fix.
How do I choose between HVAC contractors in Irvine?
Start by verifying the contractor's California contractor's license number through the Contractors State License Board website, which is free and takes about a minute. Confirm the license is active and covers HVAC work, which typically falls under a C-20 HVAC license. Ask for a certificate of insurance showing general liability coverage and workers' compensation, not just a verbal confirmation. Look at their public reviews for patterns rather than averages, a contractor with 80 detailed reviews that mention punctuality and clean work tells you more than one with five five-star ratings. Get written quotes from at least two or three contractors and make sure they break out equipment costs, labor, and any permit fees separately. If one quote is significantly lower than the others, ask specifically what brand and model of equipment they're pricing, because not all units are equivalent. For businesses on this page that carry a Trust Verified badge, those checks have already been completed by our team. For everyone else, doing this due diligence yourself before you book is time well spent.