HVAC Repair in Altadena, CA91003
Arctic Air Heating & Cooling dispatches licensed, insured heating and air conditioning technicians toAltadena and the 91003 ZIP code 24 hours a day, 7 days a week. Target response time in this service zone: 60-90 minutes.
Most of the work we do in Altadena starts the same way: the system is running but the house is not comfortable. Before we replace anything, we measure airflow, static pressure and temperatures so you are paying for the actual fault.
Talk to a live dispatcher in Altadena
Serving 91003 and Los Angeles County — no phone trees, no callback waiting.
- A live dispatcher answers — never a phone tree or an answering service script
- Flat-rate pricing agreed before a single tool comes out
- Licensed, insured and background-checked technicians only
- Common failure parts stocked on every truck
★★★★★4.9 average · 126 verified reviews
- Licensed & Insured Technicians
- Background-Checked Crews
- Upfront Flat-Rate Pricing
- Same-Day & Next-Day Service
- No Overtime Charges
- All Work Warrantied
The Altadena91003 calls we answer most often
If your system is doing any of the following, it is worth a diagnostic before the fault gets more expensive.
Pilot light or hot surface igniter failing repeatedly
Breaker trips every time the system starts
Short cycling — on and off every few minutes
Dead or bulging run capacitor on the condenser
Heat pump stuck blowing cold air in heating mode
Loud banging on start-up (compressor slugging)
Heating and air conditioning service built around Altadena
Inland valleys hit extreme heat while coastal zones stay mild, so system sizing matters more here than raw capacity. Our Altadena teams are set up for exactly that: rapid response, flat-rate pricing quoted before work begins, and no surprise overtime charge for nights or weekends.
Around Altadena, condensate drainage is a recurring fault. Blocked drains and failed float switches cause more water damage claims here than actual refrigerant failures do.
Because California runs high-efficiency heat pumps and ductless mini-splits, the transition between seasons is when we see the most emergency calls — equipment that sat unused for months.
Typical Altadena service pricing
| Service | Typical Range |
|---|---|
| Diagnostic / service call | $96 – $192 |
| Capacitor replacement | $230 – $538 |
| Contactor replacement | $243 – $576 |
| Refrigerant leak repair + recharge | $410 – $1,152 |
| Blower motor replacement | $576 – $1,216 |
| Compressor replacement | $1,792 – $3,712 |
| Hot surface igniter / flame sensor | $205 – $512 |
| Furnace control board | $486 – $1,088 |
| Condensate drain / float switch | $166 – $435 |
| Thermostat install (wired or smart) | $192 – $576 |
| Duct cleaning (whole home) | $486 – $1,152 |
| Full system replacement (installed) | $7,680 – $16,640 |
Market ranges reported for Altadena, CA and the wider Pacific region. Your flat-rate quote is confirmed on site before any work begins.
Services available in 91003
Residential and light commercial, all major brands, all hours.
Air Conditioning Repair in Altadena
Diagnosis and repair for central air conditioners, heat pumps in cooling mode, ductless mini-splits and packaged rooftop units.
Furnace Repair in Altadena
Gas, propane, oil and electric furnace troubleshooting and repair.
HVAC Installation & Replacement in Altadena
Full system replacement and new construction installs with a Manual J load calculation so the equipment is actually sized for your home.
Heat Pump Repair & Service in Altadena
Heat pump diagnosis and repair for both heating and cooling operation, including cold-climate units, defrost board failures, reversing valve problems, auxiliary heat strip faults and refrigerant charge issues.
24/7 Emergency HVAC Repair in Altadena
Around-the-clock response for no-heat in freezing weather, total AC failure during a heat wave, gas smells, carbon monoxide alarms, water flooding from the indoor unit and complete system shutdowns.
Air Duct Cleaning & Sealing in Altadena
Whole-home duct cleaning and aeroseal-style duct sealing to recover lost airflow, reduce dust and lower the load on your equipment.
HVAC Maintenance & Tune-Up in Altadena
Seasonal precision tune-ups that catch failing components before they strand you.
Commercial HVAC Service in Altadena
Service for light commercial and commercial properties including rooftop packaged units, VRF and VRV systems, split systems, make-up air units and building automation controls.
What happens when you call
No forms, no waiting for a callback window. One phone call starts the whole process.
- Step 1: Call the dispatch lineYou reach a live dispatcher, not a recording. They confirm your address, the symptom you are seeing and how urgent it is.
- Step 2: Get matched to the nearest licensed techDispatch routes your job to the closest available licensed technician who already carries the common parts for your equipment.
- Step 3: On-site diagnosis with a flat quoteThe tech tests the system, shows you what failed and gives you a written flat-rate price before any work starts.
- Step 4: Approved repair, same visit when possibleMost repairs are finished on the first visit. If a part has to be ordered you get a firm return window, not a maybe.
Servicing Altadena and Los Angeles County
Our 91003 coverage zone centres on Altadena and extends to the surrounding communities listed below. Every technician dispatched into this area is licensed, insured and background-checked, and every job carries a workmanship warranty.
What Altadena homeowners say
“Flat rate quote before they started and that is exactly what I paid. No surprise line items at the end.”
— Priya S., verified Altadena customer
“Booked a tune-up and got a written report with photos. First time a company has actually documented anything for me.”
— James O., verified Altadena customer
Altadena91003 HVAC questions, answered
How often should I change my filter in 91003?
Monthly inspection and replacement every 60 to 90 days is the baseline. Homes in Altadena with pets, ongoing construction nearby, or a high-MERV filter in an undersized return should move to monthly changes. A loaded filter is the single most common cause of frozen coils and failed blower motors.
What brands do you service in Altadena?
All of them. Our 91003 technicians are trained on Amana, Heil, Bryant, Mitsubishi Electric and essentially every other residential brand sold in California, including discontinued lines. We keep a broad parts catalogue on the trucks for exactly that reason.
What does a new system cost in Altadena?
A complete residential replacement in the 91003 area generally lands between $6,000 and $13,000 installed, depending on capacity, efficiency rating and how much ductwork has to be modified. We always perform a Manual J load calculation first, because an oversized unit costs more to buy and runs worse than a correctly sized one.
Should I repair my system or replace it?
The usual rule of thumb: if the repair costs more than half the price of a replacement and the equipment is over ten years old, replacement generally wins. We will run that comparison with you on site and show you the maths — and if the honest answer is a $180 capacitor rather than a $9,000 system, that is the answer you get.
Is my system low on refrigerant, or is it leaking?
Refrigerant does not get "used up" the way fuel does. If your charge is low, there is a leak somewhere — usually at a flare connection, a schrader core or the evaporator coil. We locate and repair the leak rather than simply topping up the charge, because a top-up alone will fail again.
How much does an HVAC service call cost in 91003?
A diagnostic visit in Altadena typically runs $75 to $150, and that fee is usually applied toward the repair if you approve the work. Repair prices are quoted as a flat rate before we start, so the number you approve is the number you pay regardless of how long the job takes.
HVAC service near Altadena, CA
We also cover these California communities with the same 24/7 dispatch line.
Need HVAC help in Altadena 91003?
Call (866) 548-3173 and describe what the system is doing. A dispatcher will tell you honestly whether it is a same-day job, and will give you the 60-90 minutes target window for 91003 before you commit to anything.
(866) 548-3173Answered 24 hours a day, 365 days a year