Best HVAC Services In

Castroville

Great service the ole' fashioned way!

Proudly installing Daikin.     & American Standard products. Servicing all makes and models.

Yes! We Service Your Area

Please let us know how we can help you today.

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EmergencyService?

When your HVAC system suddenly fails, we know you shouldn’t wait to get your comfort restored. Don’t worry, we’re here to help. We’re booking 24 hours, so rest assured that you’ll be on our schedule right away.
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Looking To Get A Quote?

Getting an estimate is easy with Stay Cool Air Conditioning and Heating. Our team of Comfort Experts would love to help you figure out your tailored quote. Schedule an appointment with our Stay Cool experts and we'll get with you right away!
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We Offer Financing

Upgrading your HVAC system has never been this affordable. Starting from $85 per month, you can get the best AC or furnace installation experience in all of San Antonio, TX.
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Our Seasonal Offerings

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Professional
HVAC Services

Professional HVAC Services in Castroville, TX

At Stay Cool, we’re more than HVAC experts—we’re your trusted neighbors in Castroville. Whether it’s the scorching summer sun or a cold winter night, our team delivers stress-free heating and cooling solutions tailored to your comfort. From energy-efficient HVAC installations to same-day repairs and affordable tune-ups, we’re committed to keeping your home or business running smoothly year-round. With reliable Daikin systems and financing options starting at $89/month, upgrading your comfort has never been easier. We bring the same family values and work ethic that built Stay Cool to every call—so Castroville stays cool, always.

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About Your AC

Explore Our HVAC Services

At Stay Cool, we proudly provide expert HVAC services in Castroville, TX. Whether it’s residential cooling, heating, commercial systems, or refrigeration, our experienced technicians deliver energy-efficient solutions tailored to your needs. With trusted brands, flexible financing, and our 24/7 Club maintenance plans, comfort in Castroville is just a call—or a click—away.

BEST RESIDENTIAL COOLING SERVICES IN Castroville, TX

At Stay Cool Air Conditioning & Heating, we know Castroville summers can be intense. That’s why we provide fast, reliable, and energy-efficient cooling solutions designed to keep your home comfortable all season long. From AC installations to emergency repairs and routine maintenance, our certified technicians are ready to help. With trusted equipment and flexible financing, upgrading your cooling system is simple and stress-free.

BEST RESIDENTIAL HEATING SERVICES IN Castroville, TX

Stay warm through those Texas winter chills with our expert heating services in Castroville. Whether you need a new furnace, fast repairs, or seasonal maintenance, we provide dependable solutions that fit your home and budget. Our 24/7 Club maintenance plans keep your heating system running strong, and our Daikin-backed equipment ensures top-tier comfort and reliability.

BEST COMMERCIAL COOLING SERVICES IN Castroville, TX

We understand how essential it is for businesses in Castroville to stay cool and operational. That’s why we offer commercial-grade AC installations, fast repairs, and scheduled maintenance tailored to your facility. With top-tier systems, expert technicians, and ongoing support, you can focus on business—we’ll handle the climate.

BEST COMMERCIAL HEATING SERVICES IN Castroville, TX

Stay Cool delivers energy-efficient heating solutions for commercial properties in Castroville. From large system installations to routine repairs and checkups, we ensure your space stays comfortable and your equipment runs smoothly. Our maintenance plans and flexible financing make it easier than ever to keep your business ready for the cold season.

BEST COMMERCIAL REFRIGERATION SERVICES IN Castroville, TX

For restaurants, retail, or any Castroville business needing reliable refrigeration—Stay Cool is here to help. We install, maintain, and repair walk-in coolers, freezers, ice machines, and more. Backed by responsive service and commercial expertise, our refrigeration pros keep your systems running 24/7.
Our Process

How Does it Work?

SCHEDULING HVAC INSTALLATION IS AS EASY AS THIS

With a free consultation to provide you with a custom quote that is tailored to your needs, Stay Cool Heating and Cooling has HVAC solutions that will keep your home comfortable.
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Schedule

Book your free consultation today to explore HVAC systems that fit your home's needs.
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Quote

Get a clear, detailed estimate outlining the costs and benefits of upgrading your HVAC system.
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Choose HVAC

Find the perfect HVAC system tailored to your needs, offering advanced technology and dependable performance.
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Installation

Experience fast, professional installation of energy-efficient HVAC systems for lasting comfort and efficiency.

SCHEDULING HVAC Repair IS AS EASY AS THIS

Stay Cool Comfort Experts deliver fast, reliable HVAC repairs to restore comfort, improve efficiency, and extend your system’s lifespan. Book your free consultation today!
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Schedule

Book your free consultation today to address your HVAC repair needs with energy-efficient solutions.
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Quote

Get a clear and detailed estimate outlining the costs and benefits of repairing your HVAC system.
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Repair Service

The Comfort Experts specialize in HVAC repair services, including diagnosing issues, fixing components, and restoring system performance.

SCHEDULING HVAC Maintenance IS AS EASY AS THIS

Keep your system running smoothly with Stay Cool’s comprehensive HVAC maintenance. From cleaning to inspections, we help improve efficiency, extend system life, and prevent costly repairs. Book your free consultation today!
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Schedule

Book your free consultation today to explore energy-efficient HVAC maintenance solutions tailored to your needs. Our experts will help you improve comfort, reduce energy costs, and keep your system running efficiently year-round.
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General Maintenance

StayCool Comfort Experts provide thorough HVAC maintenance, including cleaning, inspections, and performance checks. If additional maintenance is needed, we'll provide a clear explanation and quote for your approval.
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Maintenance Plan at $15/Month

StayCool's Basic Plan offers affordable HVAC maintenance with regular tune-ups, a 10% repair discount, and priority scheduling—perfect for reliable comfort at a great price. To learn more about our 24/7 Club plans, click here.
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HVAC Serviced & maintained

After HVAC service, your system runs efficiently, providing optimal comfort and lowering energy bills. Regular maintenance extends its lifespan, reduces breakdowns, and saves you money over time.

SCHEDULING HVAC Refrigeration IS AS EASY AS THIS

Stay Cool Comfort Experts offer professional HVAC refrigeration services, including installation, repairs, and maintenance. Optimize cooling performance, reduce energy costs, and extend your system’s lifespan. Book your free consultation today!
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Schedule

Book your free consultation today to explore energy-efficient HVAC refrigeration solutions for your needs.
Stay Cool Air Conditioning Free Quote Icon

Quote

Receive a clear, detailed estimate on the costs and benefits of upgrading or maintaining your refrigeration system.
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Service

The Comfort Experts provide professional HVAC refrigeration services, including system installation, repairs, maintenance, and performance optimization.
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Benefits

Ensure optimal cooling performance, reduce energy costs, extend system lifespan, and prevent costly breakdowns with expert refrigeration care.
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Booking
24 Hours

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San Antonio's Daikin Comfort Pro

These 3 simple words mean that we are highly-qualified and continuously trained HVAC professionals who can quickly, efficiently, and effectively help solve your indoor comfort needs. Having this status means we deliver our best abilities to each customer, year after year.
Why Choose Us

Reasons To Choose
Stay Cool

Tired of service that feels like it's straight out of a call center? At Stay Cool, we’re not just experts we’re your neighbors. We know the San Antonio heat can be relentless, and a busted AC isn’t just an inconvenience; it’s a crisis. That’s why we bring the ole-fashioned values of honesty and hard work to every home.

7+

Years In Business

15,000+

Families Served

5,000+

Systems Installed

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About Your AC

WE ALSO SERVICE THESE
LOCATIONS IN SAN ANTONIO

Stay Cool proudly extends our reliable HVAC services to surrounding areas near San Antonio.

San Antonio, TX

Lytle, TX

Devine, TX

Hondo, TX

Mico, TX

Moore, TX

Leon Valley, TX

Selma, TX