Business Details
18 Years
experience
Emergency
services
Your Trusted HVAC Partner in Coolidge, TX
Serna Services Air Conditioning & Heating has been delivering trusted HVAC solutions to residential and commercial clients in Limestone County and surrounding areas since 2008. With over 17 years of combined experience, our team specializes in air conditioning repair, heating system maintenance, ductwork services, and energy-efficient insulation solutions. We prioritize prompt, reliable service, offering 24-hour emergency care to address urgent HVAC needs. Our founder, Lionel Serna, built the company on principles of honesty, transparency, and affordability, ensuring every customer receives personalized attention and cost-effective results.We serve both new construction and existing properties, providing heat load calculations, system design, and preventive maintenance contracts to optimize comfort and efficiency. Our commitment to quality extends to partnerships with trusted brands like American Standard, and we maintain rigorous standards through regular technician training and customer feedback. By combining advanced technology with local expertise, we aim to be the long-term HVAC partner for families and businesses seeking dependable climate control solutions.
Services
HVAC Repair
Duct Cleaning
Spray Foam Insulation
Emergency AC Service
Thermostat Installation
Details
- Year established: 2008
Highlights and features
- We offer 17+ years of specialized HVAC experience in Texas climate conditions
- Our team provides 24/7 emergency response for urgent heating and cooling needs
- Locally owned with deep community ties and personalized service approach
- Certified technicians trained on latest HVAC technologies and safety standards
- We offer flexible financing options for system upgrades and major repairs
What people say
Quick responses
Professional staff
Affordable prices
24-hour emergency care
Energy-efficient solutions
Services
HVAC Repair
Our HVAC repair service addresses urgent heating and cooling system failures with rapid response times and certified technicians. We service all makes and models, providing diagnostics, part replacements, and system optimization to restore comfort quickly. With 24/7 emergency availability, we minimize downtime during extreme Texas weather conditions while maintaining cost transparency throughout the repair process.
Spray Foam Insulation
Spray foam insulation services create airtight seals that reduce energy loss by up to 50%. We install open-cell and closed-cell foam options tailored to building requirements, improving temperature control and moisture resistance. This solution lowers utility bills while enhancing indoor air quality through superior thermal performance and reduced allergen infiltration.
Duct Cleaning
Professional duct cleaning removes accumulated contaminants using HEPA-filtered equipment, improving indoor air quality and system efficiency. Our process eliminates dust, allergens, and debris from HVAC ductwork, reducing respiratory irritants while extending equipment lifespan through improved airflow and reduced mechanical strain.
Emergency AC Service
Emergency HVAC services provide immediate assistance for system failures during extreme weather. Our on-call technicians respond promptly to critical issues like complete system shutdowns or refrigerant leaks, prioritizing safety and comfort restoration while offering transparent pricing for after-hours service calls.
Thermostat Installation
We install programmable and smart thermostats that optimize energy usage through automated temperature adjustments. These systems integrate with HVAC equipment to maintain comfort settings while reducing energy consumption, offering remote access via mobile apps for enhanced convenience and efficiency monitoring.
People
Lionel Serna
Owner
With over 17 years in the HVAC industry, Lionel Serna founded Serna Services to provide honest, reliable climate control solutions. He oversees operations, ensuring technical excellence and customer satisfaction through hands-on leadership and community-focused service standards.
Questions
What areas do you service?
We serve Coolidge, Fairfield, and surrounding Limestone County areas in Texas for all HVAC needs.
Do you offer emergency HVAC services?
Yes, we provide 24/7 emergency repair services for urgent heating and cooling system failures.
What HVAC services do you provide?
We offer AC repair, heating maintenance, duct cleaning, insulation, thermostat installation, and system replacements.
Is financing available for HVAC upgrades?
Yes, we offer flexible financing options for major HVAC system installations and energy efficiency improvements.
How quickly can you respond to service requests?
Most emergency calls receive same-day response, with routine appointments scheduled based on customer availability.
What makes your company different?
We combine 17+ years of local experience with transparent pricing, certified technicians, and personalized service approach.