A technician is servicing an air conditioning unit located beside a modern home. Dressed in work attire, he uses tools from an organized toolbox while seated on the grass. The setting features a wooden wall and bright blue windows, indicating a well-maintained property.
Licensed & Bonded • Serving Northern California Since 2022

Get Year-Round Comfort Without the Surprise Costs

Based in Vacaville, we provide expert HVAC installation, repair, and maintenance for residential and commercial properties throughout Northern California. Just give us a call—we do it all!

Email for Service Call (707) 770-4243

Same-day service available • Free estimates • No hidden fees

Comprehensive HVAC Services You Can Trust

From installations to emergency repairs, we deliver professional service that keeps your home comfortable year-round

AC Installation & Replacement

Expert installation of energy-efficient cooling systems sized perfectly for your space. We help you choose the right system for maximum comfort and savings.

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Heating Repair & Service

Fast, reliable heating repairs to keep you warm all winter. We diagnose problems accurately and fix them right the first time.

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Preventative Maintenance

Regular tune-ups extend your system's life, prevent breakdowns, and keep energy bills low. Schedule seasonal maintenance today.

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Indoor Air Quality

Improve your home's air with filtration systems, humidifiers, and air purifiers. Breathe easier and stay healthier.

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Energy-Efficient Upgrades

Lower your energy bills with modern, high-efficiency HVAC systems. We'll help you save money while staying comfortable.

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Emergency Repairs

System down? We offer same-day service for urgent repairs. Call us now and get your comfort restored fast.

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Why Choose Ruiz Air?

Since 2022, we've been Northern California's trusted HVAC partner. Here's what makes us different:

Honest, Transparent Pricing

No hidden fees or surprise charges. We give you clear estimates upfront so you can make informed decisions.

Licensed & Bonded

Fully licensed and bonded for your protection and peace of mind.

Serving Northern California

Based in Vacaville, we serve residential and commercial customers across Northern California.

Fast, Reliable Service

Same-day service available. We respond quickly and get the job done right—just call!

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Outdoor dual zone heat pumps next to house
Repairman fix air conditioning systems, Male technician service for repair and maintenance of air conditioners
Expert Service
Our Process

Simple, Stress-Free Service Every Time

From your first call to project completion, we make getting HVAC service easy and hassle-free.

1

Contact Us

Call or schedule online. We'll respond quickly and set up a convenient appointment time.

2

Thorough Diagnosis

Our technicians inspect your system, identify the problem, and explain your options clearly—no pressure, no upselling.

3

Expert Service

We complete the work efficiently with quality materials and workmanship. Your system will run like new.

4

Follow-Up Care

We test everything, clean up, and make sure you're 100% satisfied. Plus, we're always here if you need us.

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Ready for Reliable Comfort?

Don't let HVAC issues disrupt your comfort. Contact Ruiz Air today for expert service you can trust.

Email for Service

Contact us about your installation, repair, or maintenance needs. We'll get back to you within 24 hours.

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Free estimates on all installations

Need Help Now?

System down? Call us for same-day emergency repairs. We'll restore your comfort fast.

(707) 770-4243

Same-day service available

Prefer email?

[email protected]