Expert Heating & Cooling. Reliable Service. Built for Comfort.

At Castro Mechanical LLC, we deliver trusted HVAC solutions to homes and businesses across the Dallas–Fort Worth area and surrounding cities. With years of industry experience, our team combines skilled workmanship, modern equipment, and a commitment to excellence to ensure every system we install or repair performs at its best.

Your HVAC system isn’t just equipment—it’s the backbone of your home or business comfort. That’s why we provide dependable installation, honest repairs, and professional service you can count on year-round. Whether you’re upgrading a residential unit, managing commercial maintenance, or needing urgent HVAC repairs, Castro Mechanical LLC gets the job done right the first time.

Get a Free Quote Today!

Trusted by Homeowners and Businesses Alike

At Castro Mechanical LLC, we’re proud to be the HVAC partner relied on by homeowners, general contractors, and property management companies throughout the Dallas–Fort Worth area. Our clients trust us to keep their spaces safe, comfortable, and efficient—no matter the season.

With every installation, repair, and service call, we uphold our commitment to dependable workmanship, clear communication, and results that last. From residential comfort systems to large-scale commercial HVAC projects, Castro Mechanical delivers solutions designed to protect your investment, improve performance, and stand the test of time.

Dedicated to Quality, Committed to You

Castro Mechanical LLC is your trusted HVAC partner—built on expertise, integrity, and a commitment to exceptional customer care. Our mission is simple: to keep your home or business comfortable, efficient, and protected with reliable, long-lasting heating and cooling solutions.

With years of hands-on experience serving the Dallas–Fort Worth area and surrounding cities, we’ve earned the confidence of homeowners, contractors, and property managers alike. From minor repairs to full system installations, our skilled, certified team uses modern equipment.

More About Us

Tailor-Made Heating & Cooling Excellence Just for You

From seasonal tune-ups to full HVAC system installations, Castro Mechanical LLC provides a comprehensive range of services designed to keep your home or business comfortable, efficient, and safe. Whether you need heating repairs, AC replacements, or routine maintenance, our certified professionals deliver dependable results with honesty, precision, and pride.

Protect your comfort with HVAC solutions built to last—powered by quality equipment, expert workmanship, and reliable service trusted throughout the DFW area.

HVAC INSTALLATIONS & Repairs

When it’s time to upgrade, replace, or repair your heating or cooling system, we use high-quality equipment and proven service practices to ensure long-lasting performance. Count on Castro Mechanical LLC to restore your comfort, improve energy efficiency, and deliver HVAC solutions built to withstand the demands of Texas weather all year long.

Learn more

RESIDENTIAL HVAC SERVICES

We deliver fast, reliable heating and cooling services to keep your home comfortable and efficient year-round. From AC breakdowns to heating issues and airflow problems, our skilled technicians diagnose and fix problems before they worsen—ensuring your system stays strong, safe, and dependable in every season.

Learn more

commercial HVAC SERVICES

Through detailed inspections, proactive maintenance, and expert system care, we help prevent costly issues, improve efficiency, and extend the lifespan of your equipment—ensuring your business stays comfortable and productive year-round.

Learn more

Why

Castro Mechanical LLC

Stands Out

With Castro Mechanical LLC, you get more than expert HVAC service—you get honesty, reliability, and long-term comfort you can trust. Discover why homeowners, contractors, and businesses across the DFW area rely on us for dependable heating and cooling solutions.

Our certified team brings years of hands-on experience and a commitment to excellence to every job. We use quality equipment, modern tools, and proven installation and repair methods to ensure your HVAC system performs efficiently, safely, and reliably—while adding value to your home or business.

Certified & Experienced HVAC Professionals
Honest, Upfront Pricing
High-Quality Equipment & Skilled Workmanship
Fast Response & Flexible Scheduling
Dedicated Customer Care & Satisfaction Guarantee

Book Appointment

Frequently Asked Questions

HVAC projects can feel overwhelming—but we’re here to make things simple. Below are some of the most common questions homeowners and businesses ask Castro Mechanical LLC before getting started.

How do I know if my HVAC system needs repair or replacement?

Common signs include unusual noises, weak airflow, uneven temperatures, rising energy bills, or frequent breakdowns. Our team can inspect your system and recommend the most cost-effective solution—whether repair or replacement.

How often should I schedule HVAC maintenance?

We recommend professional maintenance twice a year—once before summer and once before winter. Regular tune-ups help prevent breakdowns, improve efficiency, and extend the lifespan of your system.

How long does a typical HVAC installation take?

Most standard installations can be completed within one day, depending on the size of the system and the complexity of the project. Commercial installations may take longer and will be discussed during your estimate.

Do you offer emergency HVAC repair services?

Yes. Texas weather can be extreme, so we provide fast-response emergency repair services to restore comfort when you need it most. Contact us anytime for urgent assistance.

What brands or equipment do you work with?

We service and install all major HVAC brands, using only reliable, energy-efficient equipment. If you prefer a specific brand, we’re happy to accommodate your request.

Do you provide free estimates for HVAC installations and repairs?

Yes—Castro Mechanical LLC offers free, no-obligation quotes for all installations and repair services. We provide upfront pricing so you always know what to expect.

What Our Satisfied Clients Have to Say About Castro Mechanical

We pride ourselves on delivering exceptional results and reliable comfort for every client. Hear directly from homeowners and businesses who’ve trusted us with their heating and cooling needs.

☆☆☆☆☆

“Castro Mechanical fixed our AC faster than we expected and walked us through every step of the repair. Their professionalism and honesty made the whole experience stress-free.”

Rene K.

☆☆☆☆☆

“We upgraded our HVAC system with Castro Mechanical, and the difference in comfort and energy efficiency was immediate. Their team was punctual, respectful, and incredibly knowledgeable.”

Luisa B.

☆☆☆☆☆

“From the inspection to the final installation, everything was smooth and well-communicated. I highly recommend Castro Mechanical for anyone needing reliable heating and cooling services."

Henner P.

Get Reliable HVAC Solutions from Trusted Experts

Trust the professionals at Castro Mechanical LLC to deliver dependable, long-lasting heating and cooling results for your home or business. Contact us today to schedule your inspection and receive a detailed, no-obligation quote.