Alex Air & Heating Services LLC logoAlex Air & HeatingServices LLC
Heat Pump Repair

Heat pump struggling? We'll restore it.

Year-round heat pump repair across the Inland Empire & LA County — heating and cooling diagnostics, all major brands, 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 heat pump 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

Heat Pump Repair from Alex Air & Heating Services LLC: Year-round heat pump repair for heating and cooling. 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

Heat pumps work hard all year, heating in winter and cooling in summer. When yours struggles, our technicians diagnose defrost issues, reversing valve faults, refrigerant problems and electrical failures to restore efficient performance.

What's included

  • Heating & cooling mode diagnostics
  • Reversing valve & defrost board repair
  • Refrigerant & airflow troubleshooting
  • All major heat pump brands

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.

Related services

Round out your home comfort.

Popular services and plans homeowners pair with this one.

Furnace Repair

Safe, reliable furnace repair for every make and model.

Learn more

Furnace Installation

High-efficiency furnace installation sized for your space.

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

Heat Pump Repair FAQs

This can be caused by a stuck reversing valve, low refrigerant, or a defrost control issue. We'll diagnose the exact cause and fix it.

Some frost is normal in cold weather, but persistent ice can signal a defrost control, refrigerant or airflow problem. We'll diagnose it.

Yes — our technicians service all major heat pump brands for both heating and cooling modes.

With regular maintenance, most heat pumps last 10–15 years. We'll give you honest advice on repair vs. replacement.

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

Related HVAC guidance

Read before you schedule

Guides

Heat Pump Defrost Cycle in Southern California: What Homeowners May Notice

On a cool, damp heating morning, light vapor, water, a brief fan pause or a sound change can be part of defrost—if normal heating returns.

Read guide →

Guides

Auxiliary Heat vs Emergency Heat: What the Thermostat Is Telling You

Auxiliary Heat is usually an automatic backup call in Heat mode; Emergency Heat is usually a manually selected backup-only mode.

Read guide →

Guides

Heat Pump Blowing Cold Air in Heat Mode: What to Notice Before Service

A heat pump can briefly feel cooler during a transition or defrost. The useful question is whether warmth returns, the home recovers, and the pattern has changed.

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 heat pump repair?

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

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