AC Repair

AC out? We'll restore your comfort today.

Need AC repair in Ontario, CA? We help homes and businesses across Ontario, the Inland Empire, and East LA County when an AC is not cooling, blows warm air, has weak airflow, or will not turn on. Call during business hours to ask about the next available appointment; you receive a clear diagnosis and written price before work begins.

Call 626-777-4822 Schedule service

Same-day appointments most days · Open Mon–Sun · 8:00 AM – 6:00 PM.

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

Same-day

Service available across the Inland Empire & LA County — call early and we'll do everything we can to get a tech out today.

Quick answer

AC Repair from Alex Air & Heating Services LLC: Ontario, CA AC repair for no cooling, warm air, weak airflow, and systems that will not start—with a written diagnosis and upfront price. We serve Ontario, the Inland Empire & East LA County with same-day appointments, EPA-certified technicians and upfront, written pricing. Call 626-777-4822.

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

Honest, Upfront Pricing

Same-Day Service

Satisfaction Guaranteed

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.

Same-day appointments.

Call during business hours and we'll do everything we can to get a technician out the same day — with a real arrival window, not an all-day wait.

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 service all major HVAC brands, and our trucks are stocked to finish most repairs in a single visit.

How it works

Four steps. No surprises.

You call

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

We diagnose

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

You approve

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

We fix it

Most repairs are completed on-site the same visit. We test everything, clean up, and confirm your system is running right before we leave.

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.

Repair	Typical cost (2026)	How common
Capacitor replacement	$120–$400	Very common
Contactor replacement	$150–$400	Common
Refrigerant recharge (R-410A)	$100–$600	Common
Condensate drain clearing	~$100	Common
Condenser fan motor	$400–$1,000	Occasional
Evaporator coil	$1,000–$4,500	Less 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 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
Same-day appointments often available

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.

Same-day appointments

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?

Same-day service, honest pricing, and EPA-certified technicians who get it right the first time.

Request Service Call 626-777-4822