8 HVAC Repair Contractors in Altadena, CA
Top-Rated HVAC Repair Contractors in Altadena
Prime Air Mechanical Inc.
“All 42 reviews award 5 stars, with multiple reviewers specifically naming Roger for his non-pushsy sales approach and responsiveness. Customers consistently…”
Steve's HVAC & Water Heater Repair
“Eight reviewers each award 5 stars, with emergency response mentioned by three customers and same-day arrival during morning hours noted twice. Two reviews…”
All HVAC Repair Contractors (8 total)
Metropolitan Heating & AC Repair
“All 10 reviews award perfect 5 stars, with customers naming individual technicians including Alex, Christian,…”
Horizon Heating & AC Repair
“All seven reviewers award 5 stars, with each review praising professionalism and punctuality. Customers…”
Air Conditioning Solutions
“Three of twelve reviewers award five stars, praising technical knowledge and thoroughness. One reviewer cites…”
Top Choice Heating and AC Repair
“All four client reviews award five stars, with every testimonial mentioning positive outcomes: reliable…”
HVAC Repair Costs in Altadena
Typical heating and cooling repair costs in Altadena, by component.
| Service | Low | Average | High |
|---|---|---|---|
Diagnostic / service call | $74 | $118 | $196 |
Thermostat replacement | $147 | $270 | $490 |
Blower motor replacement | $392 | $637 | $1,078 |
Heat exchanger replacement | $1,470 | $2,156 | $3,430 |
Ignitor replacement (gas furnace) | $147 | $245 | $392 |
Control board replacement | $294 | $539 | $882 |
Full system repair (major) Multi-component failure | $490 | $1,176 | $2,940 |
Prices reflect Pacific coast metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
HVAC Repair in Altadena, CA: What to Expect
Altadena sits in the San Gabriel Valley foothills where Mediterranean warmth gives way to punishing Santa Ana heat waves that push summer temperatures past 100 F. This climate pattern creates year-round demand for reliable HVAC Repair in Altadena homeowners can trust. Eight licensed contractors serve the area, collectively earning an average rating of 4.2 stars across 104 verified reviews. The combination of inland valley heat and occasional cold snaps keeps service calls steady across seasons.
Homeowners should expect to pay between $74 and $196 for a diagnostic service call, with thermostat replacements ranging from $147 to $490 and blower motor replacements costing $392 to $1078 depending on system specifications. California law requires HVAC contractors to hold a C-20 Warm-Air Heating, Ventilating, and Air-Conditioning Contractor license from the CSLB, verified through at least four years of recent industry experience. These state requirements and parts costs directly shape what technicians charge for service.
Customer feedback reveals clear patterns among top-rated shops. Prime Air Mechanical Inc. holds a perfect 5-star average across 42 reviews, with multiple clients noting Roger for his straightforward approach and fast response. Steve's HVAC & Water Heater Repair earns mentions for same-day arrival and quick diagnostics, while Robert's AC & Heating Repair Altadena receives consistent praise for competent, professional work. These threads run through the reviews, showing local technicians prioritize clear communication and reliable turnaround.