20 AC Replacement Contractors in Pasadena, CA

4.4 avg rating
1,482 total reviews5 offer 24/7 service
Need emergency service? 27 HVAC providers in Pasadena offer 24/7 availability

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Top-Rated AC Replacement Contractors in Pasadena

#1

Air-Tech Air Conditioning & Heating, Inc.

4.9(893 reviews)
Highly Rated

All 886 reviews trend positive, with 4.9 stars indicating consistent quality. Multiple reviewers specifically praise technicians by name, with Jeremy, Joseph,…

204 S Rosemead Blvd, Pasadena, CA 91107
#2

Bryant Heating & Air Conditioning

4.7(191 reviews)

Positive reviews emphasize Bryant's competitive pricing, with Wei Li specifically noting savings exceeding 30 percent compared to other contractor bids.…

2075 E Villa St, Pasadena, CA 91107
#3

Most Valuable Plumber

4.8(150 reviews)
24/7 Highly Rated

All 150 reviews carry 4.8 stars, with customers consistently praising technician professionalism, thorough cleanup after work, and transparent communication…

171 N Altadena Dr Suite 270, Pasadena, CA 91107

All AC Replacement Contractors (20 total)

Rebel Air Inc.

5.0(35)

All 35 reviews award 5 stars, with customers consistently praising Jonathan's honest assessments that save…

Super Duper Pros

4.8(34)

Five-star ratings dominate the review portfolio, with every satisfied customer mentioning technician Alex or…

166 S Rosemead Blvd, Pasadena, CA 91107

Multi Air Service LLC

4.9(30)

30 customers have posted reviews, yielding a 4.9-star average, statistically strong for a ten-year-old…

470 Avocado Ave, Pasadena, CA 91107

Green Choice Heating & AC Repair Pasadena

5.0(21)
24/7

All 8 reviews award 5 stars, with clients repeatedly praising the technicians' diagnostic precision and…

177 E Colorado Blvd #695, Pasadena, CA 91105

Access Heating & Air Conditioning, Inc.

5.0(21)

All 21 reviews award 5 stars, with technicians Matt, David Chen, Rod, Francisco, Mario and Edwin named…

3712 Blanche St, Pasadena, CA 91107

Shadow Hills Heating and Air Conditioning

5.0(18)

All 18 client reviews award 5 stars, with recurring themes of same-day response times, transparent pricing,…

San Marino Cool Touch HVAC

5.0(18)

Every one of the 8 reviews awards 5 stars, with customers in Pasadena noting technicians who arrived with the…

Global Green Solution AC & Heating

5.0(16)

Sixteen reviewers all award 5 stars, with multiple customers highlighting the owner's direct involvement in…

289 Sierra Madre Villa Ave, Pasadena, CA 91107

Primo Air Duct And Dryer Vent Cleaning Service

5.0(10)
24/7

Eight of eight reviews award a perfect 5-star rating, with clients specifically praising the company's…

267 E California Blvd #101, Pasadena, CA 91106

Thermal Tech Heating and Air

5.0(10)

All 10 reviews award 5 stars, with 4 customers noting same-hour or same-day response times. John is named in…

The Weatherman HVAC

5.0(10)

Eight reviewers awarded perfect 5-star ratings, with six specifically mentioning quick response times. Two…

North Air Inc

5.0(8)

All eight customer reviews award 5 stars, with three specifically praising same-day emergency response for AC…

111 El Nido Ave, Pasadena, CA 91107

Luke's Vent & Air Duct Cleaners

5.0(6)

All six reviews award five stars, with common praise for thoroughness, no upselling, and complete post-job…

150 S Los Robles Ave, Pasadena, CA 91101

Cool Neighbor Appliance & HVAC Repair

5.0(5)

All five client reviews award five stars, with three specifically naming technicians Sam or Kanat. Common…

266 S El Molino Ave apt 14, Pasadena, CA 91101

Parker Heating & AC Repair Pasadena

4.3(6)
24/7

Five of six reviews award 5 stars, giving Parker Heating & AC Repair a 4.3-star average. Three reviewers…

650 Sierra Madre Villa Ave #373, Pasadena, CA 91107

Bixi HVAC & Refrigeration

0.0
138 Allen Ave APT 5, Pasadena, CA 91106

AirMakers Air Conditioning Repair Service Pasadena

0.0
24/7
840 N Lake Ave #432, Pasadena, CA 91104

AC Replacement Costs in Pasadena

Replacement costs for aging systems in Pasadena. 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 Pasadena, CA: What to Expect

Pasadena’s mild Mediterranean climate and the wider Los Angeles metro create uneven demand for cooling: summer highs often reach the low 80s, but inland valleys and Santa Ana-driven heat spikes past 100°F push many homeowners to replace aging systems. That variability sustains a modest marketplace—19 contractors serve the area with an average rating of 4.7 from 1,476 reviews, and four offer 24/7 service—so ac-replacement Pasadena projects often prioritize both seasonal comfort and emergency readiness.

Exact prices fluctuate with unit size, SEER rating, ductwork repairs and labor complexity, so local quotes can differ significantly even for similar homes. Instead of relying on a single figure, homeowners should request itemized estimates that separate equipment, installation, permitting and disposal. California requires HVAC contractors to carry the C-20 Warm-Air Heating, Ventilating, and Air-Conditioning license from the CSLB, and confirming that credential helps validate the installation and warranty eligibility reflected in most professional bids.

Customer highlight data isn’t available here, but the market signal is clear: high average ratings indicate consistent satisfaction, while a subset of firms offering round-the-clock service meets peak-demand needs. When vetting providers, prioritize verified C-20 licensure, clear written estimates, documented warranties and recent reviews that mention punctuality, cleanup and follow-up service. Those patterns tend to separate reliable installers from the rest.

Frequently Asked Questions

AC replacement in Pasadena 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 Pasadena, CA

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