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505 AC Replacement Contractors in Los Angeles, CA

4.9 avg rating
6,683 total reviews7 offer 24/7 service
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AC Repair(1482)HVAC Maintenance(1537)AC Installation(1077)HVAC Service(1362)HVAC Repair(1204)Emergency HVAC(819)AC Replacement(505)Commercial HVAC(435)

Top-Rated AC Replacement Contractors in Los Angeles

#1

Air Quality Pros USA

4.9(772 reviews)
24/7 Highly Rated

“Every reviewer awarded 5 stars, with six of seven verifiable reviews specifically naming individual technicians who performed the work. Two reviews mention…”

10535 Wilshire Blvd, Los Angeles, CA 90024
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#2

Service Champions Plumbing, Heating & AC

4.9(675 reviews)
24/7 Highly Rated

“All eight sampled reviews are five-star ratings. Reviewers consistently praise specific technician friendliness, thoroughness, and clear communication.…”

5251 W Imperial Hwy, Los Angeles, CA 90045
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#3

Orange Coast Plumbing

5.0(543 reviews)
Highly Rated

“Of 535 five-star reviews, customers repeatedly cite three specific strengths: technicians arriving within the same day or within 90 minutes, clear upfront cost…”

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All AC Replacement Contractors (505 total)

Service Genius Air Conditioning and Heating

5.0(533)
Highly Rated

“486 reviews yield a 5-star average, with negative feedback centering on communication delays during complex…”

8217 Beverly Blvd #29, Los Angeles, CA 90048
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Greencat, Inc.

4.9(389)
Highly Rated

“Every review across the dataset awards 5 stars, with 4 of 8 named reviews highlighting multi-trade…”

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Just Be Cool Supply

5.0(306)
Highly Rated

“All five detailed reviews award five stars, with customers specifically naming Joel, Dyon, and team members…”

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Orange Coast Plumbing

5.0(304)
Highly Rated

“All 304 reviews award 5 stars, citing emergency same-day service, technician expertise, and thorough cleanup.…”

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Universal Heating & Air

4.7(391)
24/7

“Across 375 reviews, customers frequently mention same-day emergency service and fair pricing as primary…”

2260 Maravilla Dr, Los Angeles, CA 90068
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VENT CLEANING & REPAIR PRO

4.9(269)
Highly Rated

“Of 265 reviews, every reviewer rated the service five stars, and multiple customers specifically called out…”

1563 S Barrington Ave, Los Angeles, CA 90025
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Authority Plumbing, Heating and Air

5.0(206)
Highly Rated

“Every one of the five sampled reviews awards 5 stars, with customers consistently citing honesty about…”

Call

Genie Ducts Cleaning

5.0(198)
Highly Rated

“Every single reviewer awarded 5 stars, with consistent praise for on-time arrivals and thorough cleanings.…”

3427 Fletcher Dr, Los Angeles, CA 90065
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Alpha Heating & Air Conditioning

5.0(174)
Highly Rated

“All 171 reviews award 5 stars, with every reviewer specifically naming a technician. Eight clients describe…”

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Air Plus HVAC, Inc.

4.9(162)
Highly Rated

“All five-star reviewers praise specific technicians: Raz performed comprehensive safety work for under $100,…”

7344 Hinds Ave, Los Angeles, CA 91605
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SoCal Boys Heating & Air

5.0(138)
Highly Rated

“Four reviewers specifically cite George by name, describing him as the point of contact who set schedules,…”

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Rea's Air Conditioning And Heating, Inc.

5.0(135)
Highly Rated

“All 134 reviews award 5 stars, a rare pattern suggesting consistent execution rather than occasional…”

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Top Home Contractors

4.9(139)
24/7 Highly Rated

“Six of seven public reviews award 5 stars and reference chimney cleaning, timely arrivals, and careful…”

10535 Wilshire Blvd, Los Angeles, CA 90024
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Coastal Comfort Heating and Cooling

5.0(123)
Highly Rated

“All five reviewed customers award a perfect 5 stars, with 122 total reviews supporting the overall rating.…”

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Los Angeles ❄️ Air Conditioning Service

4.9(123)
24/7 Highly Rated

“All 132 reviews carry 5-star ratings, with every testimonial mentioning professionalism and clear…”

506 N Virgil Ave, Los Angeles, CA 90004
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AIRE FORCE INC

5.0(102)
Highly Rated

“All 102 reviews award 5 stars, with multiple reviewers specifically naming Geoff for his diagnostic skill,…”

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Trust heating and air conditioning

5.0(102)
Highly Rated

“99 reviews yield a perfect 5.0-star average with remarkable consistency. Positive feedback uniformly mentions…”

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Origin Heating & Air

5.0(102)
Highly Rated

“All 102 reviews award 5 stars, with technicians Mason and Charlie named across multiple positive accounts.…”

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Southern Chill Heating and Air-Conditioning License# 1086778

5.0(96)

“Five-star reviews consistently mention Joseph or Joe by name, with four clients highlighting his thorough…”

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Belle Air Services

4.8(102)
Highly Rated

“All five detailed reviews award 5 stars, with customers specifically naming technicians Scott Ames, Zach…”

4943 McConnell Ave Suite B, Los Angeles, CA 90066
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Coastline Comfort Systems - Heating and Cooling

5.0(83)

“All five visible reviews assign a perfect 5-star rating. Professionalism and product quality dominate…”

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Pure AIR LA HVAC contractor

4.9(86)
24/7

“Four of five sampled reviewers specifically name their technician (Dex, Dimitrii, Anthony, or Susie) and…”

1959 Grace Ave #401, Los Angeles, CA 90068
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Trinity Group HVAC & Appliance Services

4.7(101)
24/7

“Six of eight reviewers highlighted speed and scheduling, including same-day arrivals for urgent repairs. All…”

112 W 9th St Ste.618, Los Angeles, CA 90015
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Alexa Air Condition Repair & Install

4.8(91)

“5 of 88 reviewers specifically mention Kai as their point of contact, describing him as both knowledgeable…”

640 S San Vicente Blvd, Los Angeles, CA 90048
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Finishline Air Conditioning & Heating

5.0(75)

“All 76 reviewers award five stars, with no recorded complaints below that threshold. Multiple reviewers…”

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Local HVAC Expert Redondo Beach

5.0(71)

“All eight reviews carry five-star ratings, with four customers explicitly praising same-day response times…”

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HOOVER AUTO REPAIR & RADIATOR

4.7(92)

“All four displayed reviews award 5 stars, with customers praising diagnostic speed (under one hour in…”

5250 S Hoover St, Los Angeles, CA 90037
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AC Replacement Costs in Los Angeles

Replacement costs for aging systems in Los Angeles. If repair cost exceeds 50% of replacement, replacement is usually more economical.

ServiceLowAverageHigh
Central AC (3-ton, basic)
$5,060$7,360$10,120
Central AC (4-ton, mid-efficiency)
$6,900$9,660$12,880
Central AC (5-ton, high-efficiency)
$8,740$11,500$14,720
Full HVAC system (AC + furnace)
$10,663$12,356$12,972
Plus ductwork replacement
If existing ducts are aged/leaking
$1,932$2,760$3,680
Repair cost threshold50% rule: if repair > 50% of replacement, replace

Prices reflect Pacific coast metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.

AC Replacement in Los Angeles, CA: What to Expect

AC replacement Los Angeles projects vary significantly by location — coastal neighborhoods rarely push past 84°F, but inland valleys see Santa Ana conditions driving temperatures past 100°F. That climate variability means replacement demand is concentrated but real, particularly for older homes without existing duct infrastructure. The 15 contractors listed here average 4.9 stars, with 7 offering 24/7 service across the metro.

Replacement pricing in LA reflects California labor costs: a 3-ton central system runs $5,060-$10,120; 4-ton mid-efficiency $6,900-$12,880; and 5-ton high-efficiency $8,740-$14,720. California requires contractors to hold the C-20 Warm-Air Heating, Ventilating, and Air-Conditioning license from the Contractors State License Board — verify the CSLB number before signing any contract.

Southwest Heating & Air Conditioning holds 341 reviews at 4.9 stars; technicians Stephane and Gustavo are named repeatedly for expertise and competitive pricing. Universal Heating & Air (4.7 stars, 369 reviews) handles everything from 60-year-old system replacements to heat wave emergencies. LC Heating & Air Conditioning carries a perfect 5.0 from 201 reviewers, with technician Leo praised consistently for patience, clear communication, and technical depth.

Frequently Asked Questions

AC replacement in Los Angeles runs $1,932-$14,720 depending on system size and efficiency. A 3-ton basic central AC costs $5,500-$11,000 installed, a 4-ton mid-efficiency system $7,500-$14,000, and a 5-ton high-efficiency unit $9,500-$16,000. Full HVAC replacement (AC + furnace combined) averages $11,590-$14,100.

All HVAC Contractors in Los Angeles, CA

Complete directory of 1651 contractors — browse alphabetically

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