HVAC Services in Altadena, CA
9 HVAC contractors found
Prime Air Mechanical Inc.
“All 42 reviews award 5 stars, with multiple reviewers specifically naming Roger for his non-pushsy sales…”
Steve's HVAC & Water Heater Repair
“Eight reviewers each award 5 stars, with emergency response mentioned by three customers and same-day arrival…”
Metropolitan Heating & AC Repair Altadena
“All 10 reviews award perfect 5 stars, with customers naming individual technicians including Alex, Christian,…”
Robert's AC & Heating Repair Altadena
“Eight of eight clients awarded five-star ratings, with consistent descriptors across reviews including quick,…”
Horizon Heating & AC Repair Altadena
“All seven reviewers award 5 stars, with each review praising professionalism and punctuality. Customers…”
Top Choice Heating and AC Repair Altadena
“All four client reviews award five stars, with every testimonial mentioning positive outcomes: reliable…”
Extreme Comfort Heating & AC Repair
“One client awarded a perfect 5-star rating, specifically praising the company's rapid response during an…”
Action Duct Cleaning Company
“Fifty-five reviews produce a 4.5-star average with zero ratings below 4 stars. Customers frequently mention…”
HVAC Service Costs in Altadena, CA
Pricing ranges across all HVAC services offered in Altadena.
| Service | Typical Range | Price Points |
|---|---|---|
| AC Repair | $71–$2,660 | 7 items → |
| AC Installation | $138–$18,400 | 8 items → |
| AC Replacement | $1,932–$14,720 | — |
| HVAC Maintenance | $15–$784 | 7 items → |
| HVAC Repair | $74–$3,430 | 7 items → |
| HVAC Service | $67–$13,395 | 6 items → |
| Emergency HVAC | $143–$3,325 | 6 items → |
| Commercial HVAC | $2–$76,000 | — |
Prices reflect Pacific coast metro averages based on HomeAdvisor and Angi published cost data. Last updated: April 2026.
HVAC in Altadena, CA: What Homeowners Should Know
Altadena sits in a mild Mediterranean pocket of Los Angeles, with summer highs near 84°F and winter lows around 48°F, while inland valleys and Santa Ana winds can push temperatures past 100°F and spike AC demand. That variability drives year-round service needs and supports nine local contractors; community reviews average 4.8 from 154 entries, a useful signal for anyone searching for hvac Altadena or hvac companies Altadena.
Across the city, billing spans an unusually wide spectrum — individual line items can cost as little as $2 while full system projects approach $76,000 — so homeowners should plan around both small repairs and capital investments. Contractors must hold the C-20 Warm-Air Heating, Ventilating, and Air-Conditioning license from the California Contractors State License Board and document at least four years of HVAC experience within the past ten years, a baseline that shapes labor and pricing.
Customer highlights weren’t supplied, so the market picture comes from service offerings and ratings: six of nine firms provide 24/7 response, and the 4.8 average suggests competitive quality and reputation-driven demand. For residents vetting choices, looking at emergency availability, sustained review histories, and clear licensing records helps narrow the field toward the best hvac Altadena providers among hvac companies Altadena serving varied local needs.