Alex Air & Heating Services LLC logoAlex Air & HeatingServices LLC
Commercial HVAC Maintenance

Protect your equipment — and your uptime.

Commercial HVAC maintenance agreements across the Inland Empire & LA County — scheduled inspections that prevent costly breakdowns, extend equipment life and keep energy bills predictable.

Call 626-777-4822Schedule service

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

Alex Air & Heating technician performing commercial hvac maintenance 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

Commercial HVAC Maintenance from Alex Air & Heating Services LLC: Preventive maintenance agreements that protect your equipment. 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.

Commercial

Scheduled commercial maintenance prevents costly breakdowns, extends equipment life and keeps your energy bills predictable. We offer flexible maintenance agreements tailored to your facility and equipment.

What's included

  • Customized maintenance agreements
  • Scheduled multi-point inspections
  • Priority service for members
  • Extends equipment life & efficiency

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.

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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

Commercial HVAC Maintenance FAQs

Scheduled inspections, cleaning and testing of your equipment, plus priority service and member discounts. We tailor the plan to your facility.

Most commercial systems benefit from service at least twice a year, though high-use equipment may need more frequent visits. We tailor the schedule to your facility.

Regular maintenance catches worn parts and small issues before they become expensive failures and downtime.

Yes — maintenance agreement members receive priority scheduling and member discounts.

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

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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 commercial hvac maintenance?

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

Request Service Call 626-777-4822
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