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HVAC Repair in Palo Alto, CA94304

Arctic Air Heating & Cooling dispatches licensed, insured heating and air conditioning technicians toPalo Alto and the 94304 ZIP code 24 hours a day, 7 days a week. Target response time in this service zone: 60-90 minutes.

9Local Techs
60-90 minutesTarget Response
1,502Jobs Completed
4.6★320 Reviews

Most of the work we do in Palo Alto 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.

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Talk to a live dispatcher in Palo Alto

Serving 94304 and Santa Clara 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
(866) 548-3173Tap to call — free quote, no obligation

★★★★★4.6 average · 320 verified reviews

  • Licensed & Insured Technicians
  • Background-Checked Crews
  • Upfront Flat-Rate Pricing
  • Same-Day & Next-Day Service
  • No Overtime Charges
  • All Work Warrantied

The Palo Alto94304 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.

Water pooling around the indoor unit or ceiling stains

Pilot light or hot surface igniter failing repeatedly

Refrigerant leak at a flare or coil connection

Squealing or grinding from the blower assembly

Frozen evaporator coil or ice on the refrigerant lines

Yellow or orange burner flame instead of steady blue

Describe your problem — (866) 548-3173

Heating and air conditioning service built around Palo Alto

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 — Palo Alto 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.

Around Palo Alto, condensate drainage is a recurring fault. Blocked drains and failed float switches cause more water damage claims here than actual refrigerant failures do.

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.

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

Services available in 94304

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

Air Conditioning Repair in Palo Alto

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

Furnace Repair in Palo Alto

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

HVAC Installation & Replacement in Palo Alto

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 Palo Alto

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 Palo Alto

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 Palo Alto

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 Palo Alto

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

Commercial HVAC Service in Palo Alto

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 Palo Alto and Santa Clara County

Our 94304 coverage zone centres on Palo Alto 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 Palo Alto homeowners say

“They found a cracked heat exchanger that our previous company missed for two years. That alone was worth the call.”

— Sandra B., verified Palo Alto customer

“Flat rate quote before they started and that is exactly what I paid. No surprise line items at the end.”

— Priya S., verified Palo Alto customer

Read more Arctic Air customer reviews →

Palo Alto94304 HVAC questions, answered

Can you give me a price over the phone?

We can give you realistic ranges — and this page lists the ones homeowners in Palo Alto 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.

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 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.

What causes water to leak from the indoor unit?

Almost always a blocked condensate drain line, a failed drain pan float switch, or a frozen coil melting faster than the pan can handle. In Palo Alto we see algae and dust clogging drain lines constantly during May through October. It is a fast fix but ignoring it ends in ceiling damage.

Why is my system short cycling?

Short cycling in Palo Alto most often comes from a restricted airflow path — a loaded filter, a closed register, an undersized return — or from an oversized unit. It can also be a failing flame sensor or a pressure switch fault. We measure static pressure and temperature rise before concluding anything, because guessing at this one is expensive.

What brands do you service in Palo Alto?

All of them. Our 94304 technicians are trained on Rheem, York, Trane, Goodman 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.

Need HVAC help in Palo Alto 94304?

One call to (866) 548-3173 is usually enough. We confirm the address, the symptom and the urgency, then put the nearest licensed technician in Palo Alto on the way.

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