Thermostat & Control Services

Chula Vista, CA

24/7 Emergency Services

Free Estimates For Installation And Repair

Same-Day Response To Calls And Emails

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Reliable Thermostat & Control System Customization

Della-Mora Heating and Air Conditioning has been enhancing home comfort across San Diego County for over 30 years. As a fourth-generation, service-disabled veteran-owned small business, we bring deep expertise and a strong commitment to the heating and cooling industry. Our team takes the time to understand your preferences and helps you make informed decisions about your HVAC controls.

We specialize in thermostat and control system customization, tailoring solutions that fit your lifestyle, energy goals, and system compatibility. Whether you're upgrading to smart thermostats, integrating zoning controls, or optimizing your existing setup, we focus on delivering efficient, user-friendly solutions without upselling unnecessary services. Contact us today to request service or a quote.

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Why Choose Della-Mora Heating and Air Conditioning

Free Estimates For Installation And Repair

Will Work With Insurance Companies

Same-Day Response To Calls And Emails

Manufacturer Warranties On Products

Two To Five Year Labor Warranty On Installs

Labor Warranties On Repairs From 90 Days To One Year

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Control System Customization

Della-Mora HVAC is your trusted partner for customized HVAC control system solutions. We offer free consultations and estimates, so you’ll understand the full scope of your project from the start. Our fully licensed, insured, and ESCO EPA certified team ensures every installation meets the highest standards of professionalism and compliance.

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Smart Thermostat Installation

Smart thermostat installation is a smart step toward better comfort and energy efficiency—and Della-Mora HVAC is here to help. We work with all major brands and models, with a focus on compatibility and ease of use. Our proactive approach helps prevent setup issues and ensures your system runs smoothly from day one.

Thermometer next to a digital thermostat.

Thermostat Replacement

When your thermostat stops performing reliably, Della-Mora HVAC is here with fast, dependable thermostat replacement services. We respond to calls and emails the same day to restore your comfort quickly and efficiently. Our skilled technicians assess your current setup and recommend the best replacement options to match your system and lifestyle.

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Save $1000 on Installation
Get $1000 off any new HVAC system installation. Present this offer during your in-person estimate to claim your savings.

Call Della-Mora HVAC today to schedule your free estimate!

Not valid with any other offers or promotions. Restrictions apply. Must mention this coupon at the time of scheduling.
(619) 739-6161
Save $1000 on Installation
Get $1000 off any new HVAC system installation. Present this offer during your in-person estimate to claim your savings.

Call Della-Mora HVAC today to schedule your free estimate!

Not valid with any other offers or promotions. Restrictions apply. Must mention this coupon at the time of scheduling.
(619) 739-6161
10% Off for Heroes
Military, law enforcement, and educators receive a 10% discount on HVAC services. Thank you for your service to our community.
Contact us now to book your discounted service!
Not valid with any other offers or promotions. Restrictions apply. Must mention this coupon at the time of scheduling.
(619) 739-6161

Our Recent Projects

Black tar sealant on metal HVAC ductwork elbows against a gray roof.
A white Survey23 thermostat on a beige wall, displaying 71 degrees. The wall has a wooden baseboard.
HVAC unit in an attic. Ductwork, wooden beams, electrical components. Silver and brown tones.
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Here's what our satisfied customers are saying...

At Della-Mora Heating and Air Conditioning, we take pride in providing exceptional thermostat & control services to our customers. We would be grateful if you could share your thoughts about our HVAC shop with others. Your feedback helps us improve and helps others make informed decisions. Please take a moment to leave a review  of Della-Mora Heating and Air Conditioning and let others know what you think.