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

A new AC, sized and installed right.

Right-sized, high-efficiency AC installation across the Inland Empire & LA County — with upfront pricing and clean, professional workmanship.

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 installation 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 Installation from Alex Air & Heating Services LLC: Right-sized, high-efficiency AC installation done right the first time. 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

A new air conditioner is a major investment, and a proper installation makes all the difference in comfort, efficiency and lifespan. We calculate the correct system size for your home or business, recommend the best efficiency for your budget, and install it to manufacturer specification — so you get the performance you paid for.

What's included

  • Professional load calculation & sizing
  • High-efficiency system recommendations
  • Clean, code-compliant installation
  • Old system removal & disposal
  • Full system warranty registration

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 Installation 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.

ScopeTypical cost (2026)
Like-for-like swap, smaller home$5,000–$7,500
Mid-range high-efficiency system$7,500–$10,000
High-efficiency + larger home$10,000–$12,000+
Add or replace ductwork+$2,000–$8,000
Typical 2026 central AC installation cost by scope (installed, Southern California). 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 Repair

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.

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 Installation FAQs

A standard AC or system replacement typically takes one day. Larger or more complex installations may take two. We confirm the timeline with you in advance.

We perform a proper load calculation based on your home's size, layout, insulation and windows — not a rule of thumb — so your new system is sized to run efficiently.

Yes. We haul away and responsibly dispose of your old equipment as part of every installation.

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

AC Installation by city

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

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

Related HVAC guidance

Read before you schedule

Buying Guide

What Happens on AC Installation Day? Step by Step

See the typical AC installation sequence, the questions to ask before work starts, and the documents to keep after startup without assuming a fixed appointment length.

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Guides

HVAC Warranties Explained: Coverage, Exclusions, Registration

Learn how HVAC parts, labor, exclusions, registration and service contracts differ, and what documents to read before signing an AC installation proposal.

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Buying Guide

Best HVAC Brands in 2026: A Neutral Contractor Comparison

There is no single best HVAC brand for every California home. Compare system fit, efficiency evidence, parts and service support, installation scope, and written warranty terms before choosing a manufacturer.

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 installation?

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

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