✓ Open 24 hours, 7 days a week✓ Licensed & insured technicians✓ Flat-rate pricing — no overtime fees
24/7 Dispatch(866) 548-3173
Call NowFree quote
Extended Coverage Zone

HVAC Repair in San Geronimo, CA94963

Arctic Air Heating & Cooling dispatches licensed, insured heating and air conditioning technicians toSan Geronimo and the 94963 ZIP code 24 hours a day, 7 days a week. Target response time in this service zone: 2-4 hours.

3Local Techs
2-4 hoursTarget Response
1,324Jobs Completed
5.0★170 Reviews

We treat 94963 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.

Available Now — 24/7

Talk to a live dispatcher in San Geronimo

Serving 94963 and Marin County — no phone trees, no callback waiting.

  • 2-4 hours target response time in this service zone
  • Written diagnostic report with photos of what we found
  • We repair what can be repaired — no forced replacement upsell
  • Workmanship warranty on every job we complete
(866) 548-3173Tap to call — free quote, no obligation

★★★★★5.0 average · 170 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 Geronimo94963 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.

Furnace lights then shuts down after a few seconds

No cool air, or air that is barely cooler than the room

Breaker trips every time the system starts

Squealing or grinding from the blower assembly

Thermostat reading several degrees off from reality

Water pooling around the indoor unit or ceiling stains

Describe your problem — (866) 548-3173

Heating and air conditioning service built around San Geronimo

If your high-efficiency heat pumps and ductless mini-splits has started short cycling, blowing warm air or making a noise it never used to make, you are not alone — San Geronimo generates some of the highest call volume we handle in California. Inland valleys hit extreme heat while coastal zones stay mild, so system sizing matters more here than raw capacity.

Homes in Marin County tend to be a mix of older builds with original ductwork and newer infill construction, which means airflow problems show up very differently from one street to the next.

Local equipment profile:California homes are most often served by high-efficiency heat pumps and ductless mini-splits. Inland valleys hit extreme heat while coastal zones stay mild, so system sizing matters more here than raw capacity.

Peak cooling demand here runs May through October. Booking a tune-up in early spring means you are not competing with the whole neighbourhood for a tech in July.

Typical San Geronimo service pricing

ServiceTypical 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 Geronimo, CA and the wider Pacific region. Your flat-rate quote is confirmed on site before any work begins.

Services available in 94963

Residential and light commercial, all major brands, all hours.

Air Conditioning Repair in San Geronimo

Diagnosis and repair for central air conditioners, heat pumps in cooling mode, ductless mini-splits and packaged rooftop units.

Furnace Repair in San Geronimo

Gas, propane, oil and electric furnace troubleshooting and repair.

HVAC Installation & Replacement in San Geronimo

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 Geronimo

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 Geronimo

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 Geronimo

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 Geronimo

Seasonal precision tune-ups that catch failing components before they strand you.

Commercial HVAC Service in San Geronimo

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.

  1. 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.
  2. 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.
  3. 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.
  4. 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 Geronimo and Marin County

Our 94963 coverage zone centres on San Geronimo 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 Geronimo homeowners say

“Booked a tune-up and got a written report with photos. First time a company has actually documented anything for me.”

— James O., verified San Geronimo customer

“Called at 9pm on a Sunday with no heat and a toddler in the house. Tech was here inside an hour, found a failed igniter, had one on the truck.”

— Dana R., verified San Geronimo customer

Read more Arctic Air customer reviews →

San Geronimo94963 HVAC questions, answered

What does a new system cost in San Geronimo?

A complete residential replacement in the 94963 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.

Do you service commercial and light commercial properties?

Yes. Around San Geronimo we handle rooftop packaged units, split systems, VRF/VRV installations and building automation faults for offices, retail, restaurants and multi-tenant buildings, including after-hours scheduling so you are not disrupting trade.

Is my carbon monoxide risk something I should worry about?

With any combustion appliance, yes. A cracked heat exchanger can spill carbon monoxide into the living space, and it is odourless. We perform combustion analysis and a CO test on every furnace and boiler call in San Geronimo, and we recommend a working CO alarm on every level of the home regardless of who services your equipment.

Do you offer maintenance plans?

We do. A two-visit plan in California covers a spring cooling inspection and an autumn heating inspection, priority scheduling during peak weeks, discounted repairs and no diagnostic fee. Members rarely end up on the emergency list.

How quickly can a technician get to San Geronimo?

For the 94963 service area our target response time is 2-4 hours from the moment dispatch confirms your address. Real-world timing depends on the day — the first sustained heat or cold snap of the season is always our busiest period — but we hold technicians locally specifically so that window is achievable rather than aspirational.

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.

Need HVAC help in San Geronimo 94963?

Whatever the make — Daikin, American Standard, Trane or anything else — call (866) 548-3173. Our crews in the 94963 area service all major residential and light commercial brands.

(866) 548-3173Answered 24 hours a day, 365 days a year
Call (866) 548-3173