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When repairs become frequent or your HVAC system is over 10–15 years old, residential replacement may be the smartest option. Upgrading to a new, energy-efficient unit can lower utility bills, improve indoor comfort, and increase home value. Modern systems offer better airflow, quieter operation, and smart technology integration. Professional HVAC replacement ensures proper sizing and installation for optimal performance.

Professional HVAC Replacement

Although it's a hefty and often unwanted process, occasionally a full HVAC replacement is necessary. It's a higher cost upfront but will save on the cost of needing constant repairs. A full system replacement includes the outdoor unit (condenser or heat pump), evaporator coil, furnace (or air handler), refrigerant lines, and potentially ductwork.

Browse Our Projects

We take pride in delivering exceptional HVAC solutions, combining expert craftsmanship with attention to detail.

Our experienced technicians bring years of hands-on knowledge to every project, tackling everything from routine maintenance to complex repairs with confidence and care.

100% Insured

With us, you get quality service without any risk.

Fully Licensed

We are fully licensed to handle all your HVAC needs.

Diagnostic Work

Diagnostics

We get to the root of the problem quickly and accurately.

Repair & Replace

We offer the best quality repairs and replacements for your needs.

Free Hvac Quote

South Texas

Contact Us

Our team will be in contact by the next business day to discuss your project. Whether you’re looking for a new installation, a repair, or routine maintenance, our crew is equipped to resolve the issue.


For immediate assistance, give us a call and our team will be happy to assist you directly. Your comfort is our priority, and we’re ready to provide top-quality service when you need it most.


(361) 991-6912


service@dziadekac.com

Frequently Asked Questions

Frequently Asked Questions

Frequently Asked Questions

  • What types of commercial HVAC systems do you service?

    We service a wide range of commercial HVAC systems, including rooftop units, split systems, and ductless systems. We also work on walk-in coolers and freezers. No matter the size or complexity of your system, our skilled technicians are equipped to handle it.

  • How often should I schedule maintenance for my commercial HVAC system?

    We recommend scheduling commercial HVAC maintenance at least twice a year—typically in the spring and fall—to ensure your system operates efficiently year-round. Regular maintenance helps prevent unexpected breakdowns, improves energy efficiency, and extends the lifespan of your equipment.Your home’s comfort is our top priority. We offer a full range of residential HVAC services, including air conditioning and heating repairs, system installations, preventative maintenance, and expert diagnostics. Whether your AC struggles to keep up with the Texas heat or your furnace needs a tune-up before winter, our skilled technicians are ready to restore your home’s perfect temperature.

  • Can you help design and install HVAC systems for new commercial buildings?

    Absolutely! We specialize in designing and installing customized HVAC systems for new commercial construction projects. Our team works closely with contractors and business owners to create efficient, cost-effective solutions tailored to your building's size, layout, and specific needs.

Cooling

South Texas

For over 30 years, Dziadek A/C & Refrigeration has been proudly serving the Coastal Bend and surrounding areas with top-tier heating, ventilation, and air conditioning services.

Built on a fou
ndation of reliability, expertise, and customer satisfaction, we are committed to keeping homes and businesses comfortable year-round.

Cooling

South Texas

For over 30 years, Dziadek A/C & Refrigeration has been proudly serving the Coastal Bend and surrounding areas with top-tier heating, ventilation, and air conditioning services.

Built on a fou
ndation of reliability, expertise, and customer satisfaction, we are committed to keeping homes and businesses comfortable year-round.