
Serving Roanoke, LA and surrounding areas
Approved
In business since 2015
Free estimates
Credit card accepted
"Installed a unit in my New home. Very efficient. Great pricing. Highly recommend."



Serving Roanoke, LA and surrounding areas
Approved
In business since 2015
Free estimates
Credit card accepted
"Installed a unit in my New home. Very efficient. Great pricing. Highly recommend."


Serving Roanoke, LA and surrounding areas
Approved
In business since 2011
Free estimates
Emergency services offered
Efficient Air Systems specializes in fast, accurate HVAC service, repair, and full system replacement for homeowners within 45 miles of Jennings, LA. Since 2011, we’ve built a reputation for solving problems other companies miss, backed by over 270 five-star Google reviews.\n\nAs a Trane Comfort Specialist, our team is continuously trained to diagnose issues correctly the first time and deliver long-term solutions, not temporary fixes. Whether it’s a failing system, uneven cooling, or humidity problems, we approach every job with precision and accountability.\n\nWe stand behind our installations and go above and beyond to ensure every system performs exactly as it should. We also offer extended warranties and flexible financing options for both repairs and replacements.\n\nHomeowners choose us for our fast response, technical expertise, and commitment to doing the job right. No shortcuts, no guesswork.


Serving Roanoke, LA and surrounding areas
Approved
In business since 2023
Free estimates
Emergency services offered
"I’ve had S&S HVAC fix/maintenance my system several times and they have always been extremely responsive and transparent about the work required or pricing. I cannot recommend them enough if you are looking for a local HVAC company that you can trust and count on for fair, high quality work."
Serving Roanoke, LA and surrounding areas
Approved
In business since 2020
Free estimates
Credit card accepted
"He is trying to put together something that he can do for himself for the rest of his life."

Serving Roanoke, LA and surrounding areas
Approved
In business since 1994
Free estimates
Emergency services offered
"Installation was completed, Technician was on point. Very satisfied with the job. Cost was par for licensed electrical installation."





+24
Serving Roanoke, LA and surrounding areas
Approved
We are a very hard working and dedicated company. Each job is treated with respect and is performed safely and efficiently. We have the equipment to tackle most any job.

Serving Roanoke, LA and surrounding areas
In business since 2020
Free estimates
Warranties offered
"Service was Excellent and waisted no time getting my AC Repair... I am real big on Communication and explained throughly when I didn't know anything Highly recommended"

Serving Roanoke, LA and surrounding areas
In business since 2001
Free estimates
Emergency services offered
"Very extensive HVAC knowledge for both residential and commercial systems. Very professional and easy to work with."





Serving Roanoke, LA and surrounding areas
In business since 2025
Free estimates
Warranties offered
"Dustin answered the phone quickly. He was very responsive about understanding the problem and offering solutions for it. He is very knowledgeable about insulation, sealing spaces and A/C ducts. He was able to advise while considering budget constraints. His crew was fast, accurate and clean. I would hire him again."

Serving Roanoke, LA and surrounding areas
In business since 2019
Free estimates
Emergency services offered
"Ryan was very professional, honest, and reasonably priced. I would recommend him."





+7
Most professional HVAC technicians require two to three hours to complete an expansion valve replacement. The timeframe depends on your unit's accessibility and whether additional repairs are needed. The process involves recovering refrigerant, removing the old valve, installing the new component, and recharging the system. Scheduling during less busy seasons may result in more convenient appointment times.
Operating your air conditioner with a malfunctioning expansion valve isn't advisable. Continuing to run the system could potentially damage other components, particularly your compressor, which is significantly more expensive to replace. If you notice performance issues like inconsistent cooling or unusual noises, it's best to have your system inspected before continuing regular use.
Expansion valves don't have a standard replacement schedule, as their longevity depends on system usage, maintenance frequency, and environmental factors. Regular professional maintenance helps identify potential valve issues before they cause system failure. Having your HVAC system serviced annually allows technicians to monitor component condition and recommend preventative replacements when necessary.
Refrigerant leaks require prompt professional attention. If your expansion valve is leaking, you'll likely notice reduced cooling performance and possibly hear hissing sounds near the unit. Addressing leaks quickly prevents further system inefficiency and avoids the environmental impact of released refrigerant. Your HVAC technician will need to repair the leak and recharge the system with the proper refrigerant type and amount.
Because many AC issues present similar symptoms, professional diagnosis is recommended. Problems like inadequate cooling, inconsistent temperatures, or strange noises could indicate expansion valve issues, but might also stem from refrigerant leaks, electrical problems, or airflow restrictions. A qualified HVAC technician has the tools and expertise to accurately identify the root cause and recommend appropriate repairs.
From average costs to expert advice, get all the answers you need to get your job done.

Use this guide to budget for appliance installation costs based on factors such as appliance type, installation complexity, labor rates, and more.

Explore how factors such as materials, local labor rates, and the type of damage affect the cost to repair a burst pipe.

Use this guide to learn how much rebar costs per foot so you can budget for your next big home improvement project.

Discover how factors such as linear footage, local labor rates, and trim type affect the total cost of painting baseboards.

Learn how much cat or dog door installation costs based on factors like the door size, material, location, and added features.

Discover how much an electric furnace costs based on factors such as unit size, local labor rates, electrical upgrades, and ductwork condition.