HVAC in Lake Charles: Serving the area and surrounding communities for over 27 years

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Our services

Commercial Services

Air Conditioning and commercial refrigeration - no project is too big or small.

Residential Services

Keep your house comfortable in the hot summers and let us take care of your AC and insulation.

Maintenance & Repairs

Need an emercency repair?
Give our hvac contractors a call anytime 24/7, all year.

Who we are: HVAC Contractors in Lake Charles, LA

We have over 27 years experience in the air conditioning industry

We are proud to serve the SWLA community and surrounding states: Louisiana, Mississippi, Arkansas, Texas.

Reliable air and insulation 365 days a year

As experienced HVAC contractors in Lake Charles, we specialize in heating and air conditioning installation and repair, duct work, air quality and maintenance, temperature zoning, commercial refrigeration services and more!

What people say

Aimee Abercrombie Gilmore

What a great job! Very professional and prompt. The crew was so friendly and nice, even though it HAD to be miserable in the attic. Nic and his team are top notch

Megan Elizabeth

They came out to our home yesterday to figure out why our AC was not working, and they had the problem fixed in less than an hour. They were very kind and very accurate with their work. They also have very fair prices. I will suggest this company to all of my friends! Thank you guys so much!

Michael Boyer

Called owner about putting minisplit and spray foam in. They gave me very reasonable quote. Once I approved they sent AC guys next day and once that was finished spray foam came in the day after. Very happy with work.

Trusted by the Lake Charles business community

Family owned and operated since 1997

Nick Larocca, the Owner and Founder of Cajun Air & Insulation, brings over 27 years of invaluable experience in the HVAC industry to the table. A true local, born and raised in Lake Charles, Louisiana, Nick's roots run deep in the community. In his younger years, he showcased his dedication and teamwork as a cornerback for Barbe High School's football team.

How often should I service my HVAC system?

Regular maintenance is crucial for optimal performance. It's recommended to schedule professional servicing at least once a year. This includes checking for refrigerant leaks, cleaning coils, and ensuring all components are functioning efficiently.
What are signs that my HVAC system needs repair?

Look out for unusual noises such as grinding or banging, reduced airflow, or inconsistent heating/cooling. Additionally, a sudden increase in energy bills can indicate an efficiency issue that needs attention.
How can I improve the energy efficiency of my HVAC system?

Besides regular maintenance, consider upgrading to a programmable thermostat, sealing ductwork, and improving insulation. These measures help the system operate more efficiently, reducing energy consumption.
What size HVAC system do I need for my home?

Determining the right-sized system involves a thorough assessment of your home's size, insulation, and layout. Oversized or undersized systems can lead to inefficiencies and discomfort.
How can I improve indoor air quality?

Regularly changing air filters, ensuring proper ventilation, and using air purifiers with HEPA filters are effective ways to reduce allergens, dust, and pollutants for better indoor air quality.
What is the lifespan of an HVAC system?

On average, HVAC systems last 15-20 years. However, regular maintenance, timely repairs, and proper usage can significantly extend the lifespan.
How do I know if it's time to replace my HVAC system?

Consider factors such as the age of the system, frequency of repairs, and declining efficiency. If your system is over 15 years old or requires frequent repairs, it might be more cost-effective to invest in a new, energy-efficient unit.
What should I do in case of an HVAC emergency?

In the event of an emergency, call our 24/7 hotline immediately at 337-377-7850. While awaiting assistance, try to secure any obvious safety concerns, and provide as much detail about the issue as possible.

Get in contact

Fill out the form, or call us to set up a free in-home consultation.

Service Areas:

SWLA, Lake Charles, Sulphur, Jennings, Iowa, Grand Lake, Cameron Parish, Calcasieu Parish, Lafayette, Deridder, Baton Rouge, Beaumont, Orange, Moss Bluff, Westlake, Dequincy, Longville, Vinton, Leesville, Alexandria, Kinder, Metairie, New Iberia, Port Arthur, Breaux Bridge, Shreveport, Ragley

708 E School St. Lake Charles, LA 70607, USA

337-377-7850