8 HVAC Service Contractors in Altadena, CA

4.1 avg rating
238 total reviews4 offer 24/7 service
Need emergency service? 7 HVAC providers in Altadena offer 24/7 availability

Top-Rated HVAC Service Contractors in Altadena

#1

Altadena Electricians

4.9(90 reviews)

Every reviewer rated their experience five stars, with multiple customers specifically praising same-day response, fuse repairs restoring power without…

2408 Lincoln Ave, Altadena, CA 91001
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#2

Prime Air Mechanical Inc.

5.0(50 reviews)

All 42 reviews award 5 stars, with multiple reviewers specifically naming Roger for his non-pushsy sales approach and responsiveness. Customers consistently…

487 E Calaveras St, Altadena, CA 91001
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#3

Action Duct Cleaning Company

4.5(56 reviews)

Fifty-five reviews produce a 4.5-star average with zero ratings below 4 stars. Customers frequently mention Marvin by name, with five distinct reviews…

2333 N Lincoln Ave, Altadena, CA 91001
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All HVAC Service Contractors (8 total)

Steve's HVAC & Water Heater Repair

5.0(16)
24/7

Eight reviewers each award 5 stars, with emergency response mentioned by three customers and same-day arrival…

2333 Lake Ave, Altadena, CA 91001
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Metropolitan Heating & AC Repair

5.0(8)
24/7

All 10 reviews award perfect 5 stars, with customers naming individual technicians including Alex, Christian,…

2216 N Lincoln Ave Suite G, Altadena, CA 91001
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Horizon Heating & AC Repair

5.0(6)
24/7

All seven reviewers award 5 stars, with each review praising professionalism and punctuality. Customers…

2235 Lake Ave, Altadena, CA 91001
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Air Conditioning Solutions

3.7(12)
24/7

Three of twelve reviewers award five stars, praising technical knowledge and thoroughness. One reviewer cites…

2223 El Sol Ave, Altadena, CA 91001
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Simco Mechanical, Inc.

0.0
787 W Woodbury Rd #12, Altadena, CA 91001
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HVAC Service Costs in Altadena

General HVAC service pricing across maintenance, repair, and installation in Altadena.

ServiceLowAverageHigh
Service call / diagnostic
$71$114$190
Routine tune-up (single system)
$67$119$190
Standard repair (avg)
$143$570$1,140
Major repair (compressor, heat exchanger)
$1,425$2,375$3,325
New system installation (mid-range)
$6,175$9,975$13,300
Full HVAC replacement
AC + furnace combined
$11,011$12,759$13,395

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

HVAC Service in Altadena, CA: What to Expect

Altadena sits in the San Gabriel Valley foothills where Los Angeles Mediterranean warmth meets occasional Santa Ana heat waves pushing temperatures past 100 F. This creates year-round demand for climate control, from cooling during dry summers to heating on cool winter nights that dip to 48 F. Eight contractors serve the area with an average rating of 4.1 stars across 238 reviews, meaning homeowners have solid options for HVAC Service in Altadena without traveling to the broader metro.

Service calls run $71-$190 for diagnostics, while routine tune-ups cost $67-$190 for a single system. Standard repairs average $143-$1,140 depending on parts and complexity. California requires C-20 licensing from the CSLB with four years of HVAC experience within the past decade, so contractors pulling permits carry verified training and not just online tutorials.

Reviewers frequently mention specific technicians by name. Roger at Prime Air Mechanical earns consistent praise for his non-pushy sales approach and responsiveness, with customers noting competitive pricing despite his thoroughness. Marvin at Action Duct Cleaning appears in five separate reviews for his thoroughness and extra steps during service. These named mentions across multiple five-star ratings suggest experienced technicians, not just company logos, drive satisfaction in Altadena's HVAC market.

Frequently Asked Questions

HVAC service pricing in Altadena ranges from diagnostic calls around $75-$200 to full system replacements at $11,000-$14,000. Routine tune-ups run $70-$200, standard repairs average $150-$600, and major component replacements (compressor, heat exchanger) can reach $2,800-$3,500.