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33 Years
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Emergency
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Professional HVAC Installation & Repair in Corpus Christi
Selsis Air Conditioning Corpus Christi has been a trusted provider of HVAC services in Corpus Christi, TX for over 30 years. Our team of licensed professionals specializes in installation, repair, and preventative maintenance of heating, ventilation, and air conditioning systems for residential and commercial clients. We prioritize customer satisfaction through honest service, advanced technological equipment, and a commitment to resolving HVAC issues efficiently.

Our expertise extends to ductless split systems, thermostat replacement, filter replacement, and backflow testing. With a focus on quality workmanship and competitive pricing, we serve Corpus Christi and surrounding areas, offering 24/7 emergency services to meet urgent needs. Our dedication to maintaining industry standards and client trust has earned us a strong reputation in the community.
Services
HVAC Installation Air Conditioning Repair Preventative Maintenance Backflow Testing Thermostat Replacement
Details
  • Year established: 1993
Highlights and features
  • We have over 30 years of experience in HVAC services for Corpus Christi residents.
  • Our licensed technicians use advanced equipment for precise diagnostics and repairs.
  • We offer 24/7 emergency HVAC services to address urgent heating and cooling needs.
  • Our preventative maintenance plans extend system lifespan and improve energy efficiency.
  • We guarantee satisfaction with honest pricing and quality workmanship.
What people say
Efficient and dedicated Fast HVAC repair Highly trained technicians Dedicated service Outstanding service
Services
HVAC Installation
We install high-efficiency HVAC systems for residential and commercial properties in Corpus Christi, TX. Our technicians ensure proper sizing, ductwork integration, and optimal performance for year-round comfort. By using quality equipment and precision installation techniques, we help clients reduce energy costs while maintaining reliable heating and cooling.
Air Conditioning Repair
Our team provides prompt diagnostics and repairs for all AC makes and models. From refrigerant leaks to compressor failures, we address issues affecting cooling performance. With 24/7 emergency availability, we minimize downtime during extreme weather conditions while ensuring long-term system reliability through thorough inspections.
Preventative Maintenance
Scheduled maintenance extends HVAC system lifespan and improves efficiency. Our technicians clean components, check refrigerant levels, and lubricate moving parts to prevent breakdowns. Regular service reduces repair costs and maintains manufacturer warranties while ensuring consistent indoor air quality and temperature control.
Backflow Testing
We perform annual backflow prevention device testing to protect water supplies from contamination. This service ensures compliance with local plumbing codes and identifies potential health risks. Our certified technicians use calibrated equipment to verify proper valve operation and recommend repairs if test results indicate failures.
Thermostat Replacement
Upgrading thermostats improves energy efficiency and comfort control. We install programmable and smart thermostats compatible with existing HVAC systems. Our technicians ensure proper wiring and calibration for accurate temperature regulation, helping clients reduce utility bills through optimized heating and cooling cycles.
Questions
What HVAC services do you offer in Corpus Christi?
We provide installation, repair, and preventative maintenance for heating, air conditioning, and ventilation systems, including thermostat replacement and backflow testing.
Do you offer emergency HVAC services?
Yes, our technicians are available 24/7 to address urgent heating and cooling system failures in residential and commercial properties.
How often should HVAC systems receive maintenance?
We recommend bi-annual inspections and filter replacements every 1-3 months to maintain efficiency and prevent costly repairs.
Are your technicians licensed and insured?
All our HVAC technicians hold valid licenses and undergo regular training to ensure compliance with industry standards and safety regulations.
What areas do you service?
We primarily serve Corpus Christi, TX and surrounding communities for all residential and commercial HVAC needs.
Can you help with thermostat programming issues?
Yes, our technicians diagnose thermostat problems and install programmable/smart thermostats to optimize energy usage and comfort control.