HVAC Repair in San Dimas, CA91773
Arctic Air Heating & Cooling dispatches licensed, insured heating and air conditioning technicians toSan Dimas and the 91773 ZIP code 24 hours a day, 7 days a week. Target response time in this service zone: 60-90 minutes.
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 Dimas 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.
Talk to a live dispatcher in San Dimas
Serving 91773 and Los Angeles 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
★★★★★4.6 average · 161 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 Dimas91773 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.
Refrigerant leak at a flare or coil connection
Squealing or grinding from the blower assembly
Frozen evaporator coil or ice on the refrigerant lines
Heat pump stuck blowing cold air in heating mode
Outdoor condenser humming but the fan not turning
No cool air, or air that is barely cooler than the room
Heating and air conditioning service built around San Dimas
Whether the complaint is weak airflow upstairs, a furnace that will not stay lit, or an outdoor unit that hums but never starts, the process is the same — a proper diagnostic, a written price, then the repair.
In the 91773 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 Dimas is the first stretch of sustained may weather. Systems that idled all season fail in clusters.
Typical San Dimas 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 Dimas, CA and the wider Pacific region. Your flat-rate quote is confirmed on site before any work begins.
Services available in 91773
Residential and light commercial, all major brands, all hours.
Air Conditioning Repair in San Dimas
Diagnosis and repair for central air conditioners, heat pumps in cooling mode, ductless mini-splits and packaged rooftop units.
Furnace Repair in San Dimas
Gas, propane, oil and electric furnace troubleshooting and repair.
HVAC Installation & Replacement in San Dimas
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 Dimas
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 Dimas
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 Dimas
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 Dimas
Seasonal precision tune-ups that catch failing components before they strand you.
Commercial HVAC Service in San Dimas
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 Dimas and Los Angeles County
Our 91773 coverage zone centres on San Dimas 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 Dimas homeowners say
“New ductless install, clean work, and they actually did a load calculation instead of just matching the old unit size.”
— Kevin M., verified San Dimas 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 Dimas customer
San Dimas91773 HVAC questions, answered
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.
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 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 Dimas, and we recommend a working CO alarm on every level of the home regardless of who services your equipment.
What does a new system cost in San Dimas?
A complete residential replacement in the 91773 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 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.
How much does an HVAC service call cost in 91773?
A diagnostic visit in San Dimas 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 San Dimas, CA
We also cover these California communities with the same 24/7 dispatch line.
Need HVAC help in San Dimas 91773?
Whatever the make — Rheem, Daikin, Lennox or anything else — call (866) 548-3173. Our crews in the 91773 area service all major residential and light commercial brands.
(866) 548-3173Answered 24 hours a day, 365 days a year