Alex Air & Heating Services LLC logoAlex Air & HeatingServices LLC
AC Repair

AC Repair Across the Inland Empire

When an air conditioner is not cooling, blows warm air, has weak airflow or will not start, we diagnose the system for homes and businesses across Ontario and the Inland Empire. Call during business hours to ask about the next available appointment; scheduling depends on current availability.

Call 626-777-4822Schedule service

Appointments based on current availability · Open Mon–Sun · 8:00 AM – 6:00 PM.

Alex Air & Heating technician performing ac repair in the Inland Empire & LA County

Availability

Service is available across the Inland Empire and East LA County. Call during business hours to confirm the next open appointment.

Quick answer

AC Repair from Alex Air & Heating Services LLC: AC repair for no cooling, warm air, weak airflow and startup problems across the Inland Empire, with a documented diagnosis and written price before work begins. We serve Ontario, the Inland Empire & East LA County with appointments based on availability, an EPA 608-certified technician and upfront, written pricing. Call 626-777-4822 during business hours to confirm availability.

Residential & Commercial

When your air conditioner stops cooling, you need a fast, reliable fix — not a sales pitch. Our EPA-certified technicians diagnose the real problem, explain it in plain English, and give you an upfront price before any work begins. From refrigerant leaks and frozen coils to failed capacitors and faulty compressors, we repair every make and model.

What's included

  • Complete diagnostic of your cooling system
  • Refrigerant leak detection & recharge
  • Capacitor, contactor & compressor repair
  • Frozen coil & airflow troubleshooting
  • Thermostat & electrical fault repair
  • Same-day & emergency service available

Why choose Alex Air & Heating

EPA-Certified
Written Pricing
Availability Confirmed by Phone
Documented Service Scope

Backed by our warranty

Labor warranty 3 Years · Parts warranty 5 Years · Compressor warranty 7 Years. No hidden fees — you approve the price before we begin.

Why choose Alex Air & Heating

What you actually get when you call us.

Appointments based on availability.

Call during business hours to confirm the next available appointment. Timing depends on the current schedule.

Upfront pricing, no surprises.

We diagnose, quote, and explain — then you decide. You approve the price before any work begins, with no hidden fees at the end.

Every make & model.

Our EPA-certified technicians evaluate major HVAC system types and explain any parts or follow-up work the documented diagnosis requires.

How it works

Four steps. No surprises.

01

You call

Reach us at 626-777-4822. We'll book your appointment and share a real arrival window — not an all-day block.

02

We diagnose

A full system inspection — refrigerant, electrical, airflow and controls — to find the real root cause, not just the symptom.

03

You approve

You get an upfront, flat price before any work starts. Repair or replace? We give you the honest numbers.

04

We complete the approved scope

We perform the work you authorize, test the relevant operation, clean the work area, and explain any documented follow-up.

What it costs

AC Repair cost in the Inland Empire

Real 2026 price ranges so you can budget before you call. Every job gets an upfront, written quote — no hidden fees.

RepairTypical cost (2026)How common
Capacitor replacement$120–$400Very common
Contactor replacement$150–$400Common
Refrigerant recharge (R-410A)$100–$600Common
Condensate drain clearing~$100Common
Condenser fan motor$400–$1,000Occasional
Evaporator coil$1,000–$4,500Less common
Compressor replacement$850–$2,400+Expensive / less common
Typical AC repair costs in the Inland Empire (2026, parts + labor). Actual pricing depends on your home, equipment and scope.
Related services

Round out your home comfort.

Popular services and plans homeowners pair with this one.

AC Installation

Right-sized, high-efficiency AC installation done right the first time.

Learn more

AC Replacement

Upgrade an aging or failed system with a more efficient one.

Learn more

Maintenance Membership

Just $199 per system per year — an annual tune-up, 10% off all repairs, no overtime fees and free filters.

See membership perks
Good to know

AC Repair FAQs

Call us during business hours and we'll do everything we can to dispatch a technician the same day. We give you a real arrival window — not an all-day wait.

Most AC repairs fall within a predictable range depending on the part and labor involved. We always provide an upfront, written quote after diagnosis — you approve the price before we begin, with no hidden fees.

Yes. Our EPA-certified technicians service and repair all major air conditioning brands and system types, and our trucks are stocked to finish most repairs in a single visit.

Warm air can come from a tripped breaker, a clogged filter, low refrigerant, a failed capacitor, or a frozen coil — among other causes. We diagnose the real root cause and explain it in plain English before any work begins.

As a rule of thumb, if a repair costs more than half the price of a new system and your unit is over 10–15 years old, replacement usually saves money long term. We'll give you the honest numbers either way.

Yes. We offer same-day and emergency AC repair across the Inland Empire and LA County whenever our schedule allows.

Service information maintained by Yuan Pan, Owner & Lead HVAC Technician. EPA 608 Universal Certification.

AC Repair by city

Choose a city page for locally scoped service details and appointment information.

AC Repair in PomonaAC Repair in Diamond BarAC Repair in WalnutAC Repair in ClaremontAC Repair in Rowland HeightsAC Repair in OntarioAC Repair in CoronaAC Repair in EastvaleAC Repair in ChinoAC Repair in Chino Hills

Related HVAC guidance

Read before you schedule

Cooling

Why Does My AC Keep Tripping the Breaker?

If an AC keeps tripping its breaker, treat it as electrical protection: stop repeated resets, record the pattern, and request measured diagnosis.

Read guide →

Cooling

AC Blower Motor Failure Signs: What Homeowners Can Observe

Weak airflow, new indoor-unit sounds, and intermittent or absent air may involve the blower system, but they do not confirm a failed motor.

Read guide →

Cooling

AC Repair in Ontario, CA: What a Diagnosis Visit Should Cover

What a useful AC repair diagnosis visit in Ontario, CA should document, what to prepare, and how to use the written scope for the next decision.

Read guide →
Service area

Serving the Inland Empire & LA County.

Service-area HVAC business serving the Inland Empire, Los Angeles County & surrounding areas

Check your address

Do we cover your ZIP?

Not sure if you're in our area? Enter your ZIP above — we cover most of the Inland Empire & LA County.

  • EPA-certified technicians
  • Honest, upfront pricing — no hidden fees
  • Appointment availability confirmed by phone

Prefer to talk? Call 626-777-4822

Where we workDon't see your city? Just ask.

19 cities across 4 regions

OntarioRancho CucamongaFontanaUplandMontclairRialtoRedlandsSan BernardinoRiversideCoronaEastvaleJurupa ValleyPomonaClaremontWalnutDiamond BarRowland HeightsChinoChino Hills

Locally owned & operated

An independent local team serving the Inland Empire & LA County.

Clear scheduling

Call during business hours and we'll do everything we can to dispatch a tech the same day.

Fast response times

We answer fast and show up when we say we will.

Need ac repair?

Written pricing, EPA 608-certified expertise, and appointment timing confirmed before you book.

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