Precise And Dependable HVAC Expertise.

Regardless of whether your Walker property is a one-room apartment or a huge institutional space, you need the HVAC system to simply work. Our team of air conditioning, heating, and ventilation experts can install new systems, repair existing ones, and provide preventative maintenance.

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About Us

Your one-stop shop for all the HVAC services you need.

You usually only notice your HVAC system when it breaks down, but you can trust Marsh Mechanical LLC to get it up and running quickly and quietly in the background. As licensed and specialized Marsh Mechanical LLC, we can solve any heating, air conditioning, or ventilation issue.

Because HVAC problems seem to always come at the wrong moment, we know that having a repair can be a stressful time. With that in mind, Marsh Mechanical LLC will always be the epitome of professionalism, delivering quality work and service with a smile for all of our Walker customers.

HVAC problems are not the end of the world, even though they may feel like it. Call Marsh Mechanical LLC at 225-665-2337 for an easy and affordable fix.

Our Services

A Complete HVAC Service Suite

Large and small, complicated and simple, if it's HVAC, then Marsh Mechanical LLC does it. Learn more about what we do by clicking on our main service areas to the below.

When the hot months of summer kick into high gear, you want to know that your Walker home's air conditioning can handle the heat. If the answer is no, then a single call to Marsh Mechanical LLC will have us on the move to provide a rapid fix to your specific issue. Whether your AC just needs a cleaning or has completely bitten the dust, we'll help you get it resolved.

Our air conditioning services are not limited to repairs and we've helped many in the Walker area make upgrades to more efficient models or install new thermostats. Before buying a new AC unit, it makes sense to give us a call for a home visit. We'll assess your needs, help you find the right model, and then make sure you get the best price.

Unlike many things that stop working all of a sudden, a broken AC is usually a gradual process, with the ability to cool becoming less and less each year. If you've noticed your AC struggling to keep your home cool, it's best to call Marsh Mechanical LLC as soon as possible to see if it can be fixed before it's too late.

Get in touch with Marsh Mechanical LLC by calling 225-665-2337 and let us take care of your air conditioning needs.

Most people in Walker think of their heating system as little more than a thermostat they rarely need to adjust. However, heating systems can actually be quite complex and the many different variants, such as furnaces and heat pumps, mean that your heating technician has to have a great deal of expertise. At Marsh Mechanical LLC , all of our certified technicians have years of experience and have worked on all types of heating systems.

Because we're based in Walker and have a long history here, Marsh Mechanical LLC understands what heating works and what doesn't in the local area. In addition, we've seen nearly every heating problem imaginable and have developed our own fixes that will keep your heater running through even the coldest winter.

If you're not happy with your heater's performance, now might be a good time to upgrade and Marsh Mechanical LLC can help. Advances in heating technology have made modern systems much more efficient, saving a considerable amount on monthly utility bills and delivering effective performance gains.

Call 225-665-2337 for a heating service, maintenance, or new installation and experience the Marsh Mechanical LLC difference.

It's no secret that people in Walker are spending more time in the confines of their own home, but what most people don't know is that it could be affecting their health in more ways than they think. In some cases, indoor air quality can actually be worse than what you find outdoors, but Marsh Mechanical LLC has many ways to get your property's air up to a good standard.

The first step for any residential Walker air quality project is for one of our professional technicians to inspect and clean the existing ventilation and duct work. From there, we'll measure the air quality and make recommendations, such as adding a humidifier or dehumidifier, installing an air purification system, or adding UV germicidal lights.

When dealing with Marsh Mechanical LLC , you'll have a trusted air quality services provider that understands local mold, allergy, and pollen issues much better than a nationwide chain. All of our technicians are from the area and we truly care about the health of our neighbors and the quality of the air inside their homes.

Indoor air quality can be a serious threat if left unchecked. Call Marsh Mechanical LLC at 225-665-2337 to make sure your property is a safe environment.

With homes that run the gamut of styles and sizes, you would think that being able to work on all water heaters in Walker wouldn't be possible. That might be true for lesser companies, but Marsh Mechanical LLC is a team of expert water heater specialists that are capable of working on everything from small, aging models to huge boilers built for high traffic situations.

While the common image of a broken water heater is the infamous cold shower, it can also affect heating, dishwashers, and many other parts of your home. At Marsh Mechanical LLC , our water heater repairs and maintenance services will address all functions and return a fully working unit that provides the right amount of hot water at the right temperature level.

If you're building a new construction or simply replacing an old, ineffective water heater in Walker, we're available to provide a full investigation and recommend solid water heater models based on the size of your home and how much use the water heater will get. Starting with an adequate model will mean less chance of broken water heater issues in the future.

Let our experts help with all your water heater repair, maintenance, and installation needs. Call 225-665-2337 for a free Marsh Mechanical LLC consultation.

Whereas residential systems may be relatively simple, a commercial HVAC installation in Walker can be quite complex and complicated, even to an experienced technician. At Marsh Mechanical LLC , our team of heating, air conditioning, and ventilation experts are truly the best in the business and capable of solving even the most difficult HVAC issues.

If your commercial HVAC system is not performing up to its potential, we'll take a look and determine both where the problem is and how to fix it. In addition, we're available for new construction HVAC consulting and can give our professional advice about system installations, reliable makes and models, and many other HVAC issues.

The advantage of using Marsh Mechanical LLC for your Walker HVAC needs is not only in our experience and knowledge - it's also in our consistency. Many local firms choose us for their HVAC maintenance programs and we're happy to perform routine checks to catch smaller heating or AC issues before they turn into a massive repair or replacement expense.

When you're ready for a Walker commercial HVAC provider that can get the job done right every time, call Marsh Mechanical LLC at 225-665-2337.

Many Walker Stand-By- Generators providers focus on specialty areas, but Marsh Mechanical LLC has endeavored to be the area's top one-stop shop, capable of providing a wide range of Stand-By- Generators for our local clients. Equally talented at all aspects of , you can count on our team to deliver the result you want.

has a unique ability in that our detail-oriented approach means we're able to not only fix your current issue but also look to the future and potential problems. In this manner, we've been able to save our customers a considerable amount of money by doing proactive work.

Join the Walker team working for improved Stand-By- Generators in Walker>. Call Marsh Mechanical LLC at 225-665-2337 today.

Call us at


We're based in Walker and have been providing top quality heating, air conditioning, and ventilation services to the local and surrounding area.

We offer 24Hrs Emergency Services

We offer 24/7 Hrs Emergency Service

We offer 24Hrs Emergency Services

Work Hours

SATURDAY & SUNDAY: By Appointment Only

Contact Info


30130 Mayer St
Walker Louisiana 70785



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