Alex Air & Heating Services LLC logoAlex Air & HeatingServices LLC
Smart Thermostat Installation

Smarter comfort, lower bills.

Smart thermostat installation across the Inland Empire & LA County — compatibility check, clean wiring and full app setup so you save energy from day one.

Call 626-777-4822Schedule service

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

Alex Air & Heating technician performing smart thermostat 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

Smart Thermostat Installation from Alex Air & Heating Services LLC: Smart thermostat setup for comfort and energy savings. 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 smart thermostat learns your schedule and optimizes your comfort while cutting energy waste. We install and configure your smart thermostat, ensure it's compatible with your system, and walk you through the app so you get the most out of it.

What's included

  • Compatibility check & wiring
  • App setup & scheduling
  • Energy-saving configuration
  • Works with all major smart 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.

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

Smart Thermostat Installation FAQs

Most modern HVAC systems are compatible. We verify compatibility and handle any wiring (like a C-wire) needed for a clean installation.

Yes — by learning your schedule and adjusting automatically, a smart thermostat can reduce energy waste and lower your bills.

No problem — we handle any wiring needed, including adding a C-wire, for reliable operation.

We install and configure all major smart thermostat brands, including Google Nest.

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

Smart Thermostat Installation by city

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

Smart Thermostat Installation in PomonaSmart Thermostat Installation in Diamond BarSmart Thermostat Installation in WalnutSmart Thermostat Installation in ClaremontSmart Thermostat Installation in Rowland HeightsSmart Thermostat Installation in OntarioSmart Thermostat Installation in CoronaSmart Thermostat Installation in EastvaleSmart Thermostat Installation in ChinoSmart Thermostat Installation in Chino Hills

Related HVAC guidance

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Cooling

The Best Summer Vacation Thermostat Setting (Hint: Not 'Off') — Save Up to 10%

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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 smart thermostat installation?

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

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