Business Details
44 Years
experience
Emergency
services
Trusted HVAC Repair & Installation Services in Baton Rouge
Paternostro's Air Conditioning & Heating Service has served Baton Rouge and surrounding communities since 1982, building a reputation for reliable, honest HVAC solutions. Our family-owned business began with a small client base of friends and family, growing through word-of-mouth referrals from satisfied customers. We specialize in diagnosing and repairing air conditioning and heating systems for residential and light commercial clients, prioritizing system longevity over premature replacements. Our technicians service all major brands including Carrier, Lennox, and Trane, offering maintenance, coolant replacement, coil cleaning, and new installations. With BBB A+ accreditation and decades of local experience, we maintain 24/7 emergency service availability while operating from 8:00 a.m. to 5:00 p.m.Monday through Friday. Our commitment to fair pricing and quality workmanship has earned us generational customer loyalty, with third-generation clients now maintaining service relationships. We serve East Baton Rouge Parish communities including Zachary, Gonzales, and Denham Springs, providing transparent solutions that balance technical expertise with ethical business practices.
Services
AC Repair
Heating Repair
System Maintenance
HVAC Installation
Commercial Consulting
Details
- Year established: 1982
Highlights and features
- 40+ years serving Baton Rouge with proven HVAC expertise
- BBB A+ rated with verifiable customer satisfaction history
- 24/7 emergency service availability for critical needs
- Technicians trained on all major HVAC brands and systems
- Commitment to repairs before replacements with transparent diagnostics
Associations and certifications
- BBB A+
Services
AC Repair
Our certified technicians provide comprehensive air conditioning repair services for residential and commercial systems. We diagnose issues with compressors, coils, and refrigerant levels while offering coolant replacement and component repairs. With expertise across major brands like Carrier and Trane, we prioritize system longevity through honest diagnostics that prevent unnecessary replacements.
Heating Repair
We offer complete heating system maintenance and repair solutions for gas, electric, and hybrid systems. Our technicians address ignition issues, heat exchanger problems, and thermostat malfunctions while ensuring safe operation. Regular maintenance visits help prevent winter breakdowns and extend equipment lifespan through professional tune-ups and part replacements.
System Maintenance
Our preventive maintenance programs include comprehensive inspections, coil cleaning, and system efficiency testing. Technicians check electrical connections, lubricate moving parts, and verify refrigerant levels during scheduled visits. Regular maintenance improves energy efficiency, reduces repair costs, and extends equipment operational life for both residential and commercial clients.
HVAC Installation
We provide professional installation services for new air conditioning and heating systems with expert guidance on equipment selection. Our team handles proper sizing calculations, ductwork evaluation, and energy-efficient system recommendations. We install major brand equipment including Lennox, Goodman, and Rheem while ensuring optimal performance through proper setup and testing.
Commercial Consulting
Our commercial HVAC consulting services help businesses maintain climate control systems with tailored maintenance plans. We assess system requirements, recommend energy-efficient upgrades, and provide emergency repair solutions for light commercial applications. With experience in multi-unit systems, we deliver cost-effective strategies that balance comfort requirements with operational budgets.
Questions
What HVAC services do you offer in Baton Rouge?
We provide complete AC repair, heating system maintenance, equipment installations, and commercial HVAC consulting for residential and business clients across East Baton Rouge Parish.
Are your technicians certified and insured?
Yes, our team includes certified HVAC professionals with proper licensing and insurance coverage for all service work performed in residential and commercial settings.
Do you offer emergency HVAC service?
We provide 24/7 emergency service availability for urgent heating and cooling system failures with prompt response times during regular business hours.
What areas do you service?
We serve Baton Rouge and surrounding communities including Zachary, Gonzales, Denham Springs, and Central within East Baton Rouge Parish, Louisiana.
How do you handle system replacement decisions?
Our technicians prioritize repairs over replacements whenever possible, only recommending new systems when existing units reach end-of-life or require frequent major repairs.
What payment options are available?
We accept major credit cards and cash payments for service work, with financing options available for major installation projects upon approval.
