Thermostat Services

Inland Empire, CA Area

Emergency Weekday Service

Lower Prices

Work With All Major Brands

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Precision Thermostat Services for Ultimate Comfort

At HVAC Department Heating and Air, we're dedicated to keeping your home or business at the perfect temperature year-round. Our thermostat services are designed to give you complete control over your indoor climate, ensuring comfort and energy efficiency.


With our team of skilled technicians, we offer comprehensive solutions for all your thermostat needs, from installation to repair and maintenance. We understand that a well-functioning thermostat is the heart of your HVAC system, and we're here to make sure it's always beating strong.

We pride ourselves on delivering exceptional service with a personal touch. As a locally owned and family-operated business, we've served the Inland Empire, CA area since 2025. Our decade-plus of experience means we've seen it all and can handle any thermostat challenge that comes our way. We work with all major brands, ensuring that no matter what system you have, we can help.


And we're not just about fixing problems – we're about creating lasting relationships with our customers. That's why we offer free estimates, emergency services, and a 2-year maintenance guarantee. Contact HVAC Department Heating and Air today for all your thermostat needs.

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Why Choose Us

Work with all major brands

Free estimates

Emergency service available Monday through Friday

10+ years of experience

2-year maintenance guarantee

100% Yelp rating for response times

HVAC Department Heating and Air

Smart Thermostat Installation

Step into the future of home climate control with our smart thermostat installation services. We'll help you choose and set up a state-of-the-art thermostat that learns your preferences and adjusts automatically for optimal comfort and energy savings. Our expert technicians ensure a seamless integration with your existing HVAC system, allowing you to control your home's temperature from anywhere using your smartphone.

Thermostat Repair

Is your thermostat acting up? Don't sweat it – we've got you covered. Our thermostat repair services address a wide range of issues, from faulty wiring to calibration problems. We'll diagnose the problem quickly and provide efficient, cost-effective solutions to get your system back on track. With our quick response times and 100% Yelp rating for responsiveness, you won't be left in the cold (or heat) for long.

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HVAC Department Heating and Air

Veterans Save Money

on HVAC Services

HVAC Department Heating and Air proudly offers exclusive discounts to our veterans. Enjoy premium heating and cooling services at reduced rates as a token of our gratitude.

Call Now to Claim Your Discount

Not valid with any other offers or promotions. Restrictions apply.

Must mention this coupon at the time of scheduling.

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Veterans Save Money

on HVAC Services

HVAC Department Heating and Air proudly offers exclusive discounts to our veterans. Enjoy premium heating and cooling services at reduced rates as a token of our gratitude.

Call Now to Claim Your Discount

Not valid with any other offers or promotions. Restrictions apply.

Must mention this coupon at the time of scheduling.

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Special Savings for Seniors

and Families of Disabled Children

HVAC Department Heating and Air offers discounted services for senior citizens and families with disabled children. Experience comfort without breaking the bank.

Contact Us for a Personalized Quote

Not valid with any other offers or promotions. Restrictions apply.

Must mention this coupon at the time of scheduling.

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Here's what our satisfied customers are saying...

At HVAC Department Heating and Air, we take pride in providing exceptional heating and cooling services to our customers. We would be grateful if you could share your thoughts about our contracting business with others. Your feedback enables us to do a better job and helps others make more informed decisions. Please take a moment to leave a review of HVAC Department Heating and Air and let others know what you think. Thank you.