HVAC Repair in San Mateo, CA94402
Arctic Air Heating & Cooling dispatches licensed, insured heating and air conditioning technicians toSan Mateo and the 94402 ZIP code 24 hours a day, 7 days a week. Target response time in this service zone: 60-90 minutes.
Serving San Mateo and the wider San Mateo County area, our crews carry the common failure parts on the truck — capacitors, contactors, igniters, flame sensors, motors and filters — so the first visit is usually the last one.
Talk to a live dispatcher in San Mateo
Serving 94402 and San Mateo County — no phone trees, no callback waiting.
- We test airflow and static pressure, not just refrigerant charge
- Combustion and carbon monoxide testing on every furnace call
- Digital condition report sent to you the same day
- Financing available on qualifying replacements
★★★★★4.9 average · 358 verified reviews
- Licensed & Insured Technicians
- Background-Checked Crews
- Upfront Flat-Rate Pricing
- Same-Day & Next-Day Service
- No Overtime Charges
- All Work Warrantied
The San Mateo94402 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.
Loud banging on start-up (compressor slugging)
Squealing or grinding from the blower assembly
Refrigerant leak at a flare or coil connection
No cool air, or air that is barely cooler than the room
Furnace lights then shuts down after a few seconds
Skyrocketing utility bills with no change in usage
Heating and air conditioning service built around San Mateo
We treat 94402 as a dedicated service zone. Inland valleys hit extreme heat while coastal zones stay mild, so system sizing matters more here than raw capacity. Because the equipment here works hard for a long season, we lean heavily on catch-it-early diagnostics rather than emergency replacements.
In the 94402 area we see a lot of attic-mounted air handlers. Attic heat soak in summer and cold-soak in winter both shorten component life and make insulation checks part of a proper diagnosis.
The busiest week of our year in San Mateo is the first stretch of sustained may weather. Systems that idled all season fail in clusters.
Typical San Mateo 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 San Mateo, CA and the wider Pacific region. Your flat-rate quote is confirmed on site before any work begins.
Services available in 94402
Residential and light commercial, all major brands, all hours.
Air Conditioning Repair in San Mateo
Diagnosis and repair for central air conditioners, heat pumps in cooling mode, ductless mini-splits and packaged rooftop units.
Furnace Repair in San Mateo
Gas, propane, oil and electric furnace troubleshooting and repair.
HVAC Installation & Replacement in San Mateo
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 San Mateo
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 San Mateo
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 San Mateo
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 San Mateo
Seasonal precision tune-ups that catch failing components before they strand you.
Commercial HVAC Service in San Mateo
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 San Mateo and San Mateo County
Our 94402 coverage zone centres on San Mateo 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 San Mateo homeowners say
“AC died during a heat advisory. Dispatch was honest that it would be a few hours, then called me the moment a slot opened.”
— Angela W., verified San Mateo customer
“They found a cracked heat exchanger that our previous company missed for two years. That alone was worth the call.”
— Sandra B., verified San Mateo customer
San Mateo94402 HVAC questions, answered
Are your technicians licensed and insured?
Every technician dispatched into San Mateo is licensed, insured and background-checked. We can provide proof of insurance on request before the visit if you would like it on file.
Can you give me a price over the phone?
We can give you realistic ranges — and this page lists the ones homeowners in San Mateo see most often — but a firm price needs eyes on the equipment. Any company that quotes a final number without seeing the unit is usually quoting low to get through the door.
What brands do you service in San Mateo?
All of them. Our 94402 technicians are trained on Heil, Rheem, Daikin, Bryant 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.
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.
Do you handle ductless mini-split systems?
Yes. Ductless installations have grown quickly in California, particularly in older homes without existing ductwork. We service indoor heads, clean filters and drain lines, check line-set insulation and diagnose communication faults between heads and the outdoor unit.
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.
HVAC service near San Mateo, CA
We also cover these California communities with the same 24/7 dispatch line.
Need HVAC help in San Mateo 94402?
If you are not sure whether it is worth repairing, call (866) 548-3173 anyway. A flat-rate diagnostic tells you the real number, and you decide from there.
(866) 548-3173Answered 24 hours a day, 365 days a year