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

No heat? We'll get you warm again.

Safe, reliable furnace repair across the Inland Empire & LA County — for every make and model, with a full safety check on every visit and honest, upfront pricing.

Call 626-777-4822Schedule service

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

Alex Air & Heating technician performing furnace 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

Furnace Repair from Alex Air & Heating Services LLC: Safe, reliable furnace repair for every make and model. 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 furnace won't keep up, our technicians find the root cause — from failed igniters and flame sensors to blower motors and heat exchangers — and repair it safely. We prioritize your family's safety, checking for carbon monoxide risks on every visit.

What's included

  • Igniter, flame sensor & thermostat repair
  • Blower motor & heat exchanger service
  • Gas & electric furnace expertise
  • Carbon monoxide safety inspection
  • Same-day 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

Furnace 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
Flame sensor cleaning / replacement$90–$250Very common
Igniter (hot surface) replacement$150–$450Common
Thermostat replacement$150–$500Common
Blower motor$400–$1,500Occasional
Control / circuit board$350–$900Occasional
Heat exchanger$1,500–$4,000+Expensive / less common
Typical furnace 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.

Furnace Installation

High-efficiency furnace installation sized for your space.

Learn more

Heat Pump Repair

Year-round heat pump repair for heating and cooling.

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

Furnace Repair FAQs

If you smell gas or suspect a carbon monoxide leak, shut the system off and call us immediately. We perform a full safety check on every furnace repair.

It could be a thermostat issue, a tripped switch, a failed igniter or flame sensor, among others. We diagnose the exact cause and explain it clearly.

Yes, our technicians are experienced with both gas and electric furnaces of all major brands.

Always. Safety comes first — we check for carbon monoxide risks on every furnace repair.

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

Furnace Repair by city

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

Furnace Repair in PomonaFurnace Repair in Diamond BarFurnace Repair in WalnutFurnace Repair in ClaremontFurnace Repair in Rowland HeightsFurnace Repair in OntarioFurnace Repair in CoronaFurnace Repair in EastvaleFurnace Repair in ChinoFurnace Repair in Chino Hills

Related HVAC guidance

Read before you schedule

Heating

Furnace Makes a Boom at Startup: What Should You Do Next?

A new loud boom from the furnace area at startup is a stop-and-service symptom, not a sound to reproduce by cycling the thermostat.

Read guide →

Heating

Furnace Short Cycling Before the Set Temperature: What to Observe Safely

Repeated brief furnace runs before the thermostat setting is reached need a pattern record, not a guessed part failure.

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Heating

Furnace Flame Sensor Symptoms: When a Professional Check Is Needed

Repeated ignition and rapid shutdown may involve flame proving, but symptoms do not identify a failed sensor. Know what to observe and when to stop.

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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 furnace repair?

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

Request Service Call 626-777-4822
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