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Last Updated: February 25, 2025
According to the U.S. Department of Energy, approximately 55% of energy use in American homes goes toward heating and cooling. It's important that the cooling and heating systems in your Mandeville home are functioning properly, so that you don't spend more than you need to.
We've researched and assembled this guide to Mandeville's top HVAC companies to help you find the best person for your job and get your system into its best shape ever.

Our Rating
User Rating
Informative resources
Reliable customer support
Clear pricing policy
Prompt service delivery
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Services Offered

Our Rating
User Rating
Reliable customer support
Informative resources
Free quotes
Prompt service delivery
Clear pricing policy
Services Offered

Our Rating
User Rating
Reliable customer support
Clear pricing policy
Prompt service delivery
Free quote
Informative resources
Services Offered

Our Rating
User Rating
Informative resources
Reliable customer support
Clear pricing policy
Services Offered

Our Rating
User Rating
Informative resources
Clear pricing policy
Prompt service delivery
Free quotes
Reliable customer support
Services Offered

Our Rating
User Rating
Prompt service delivery
Informative resources
Reliable customer support
Clear pricing policy
Services Offered

Our Rating
User Rating
Informative resources
Free quotes
Reliable customer support
Clear pricing policy
Services Offered

Our Rating
User Rating
Prompt service delivery
Clear pricing policy
Reliable customer support
Informative resources
Free quotes
Services Offered

Our Rating
User Rating
Clear pricing policy
Free quotes
Prompt service delivery
Informative resources
Services Offered

Our Rating
User Rating
Prompt service delivery
Clear pricing policy
Free quotes
Informative resources
Services Offered
Today's Homeowner looks at dozens of datapoints on hvac companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:
If your home's HVAC system isn't working correctly or nearing the end of its lifespan, you might need an HVAC contractor for maintenance or replacement. Look for these common signs that your system requires expert attention:
Schedule an inspection if you notice any of these issues. A local technician can evaluate your system, detect problems, and figure out whether you need repairs or a new HVAC unit.
The cost of HVAC installation or maintenance will vary depending on the kind of unit you have. Common types of HVAC units include the following:
HVAC maintenance costs vary depending on what services are needed. HVAC systems are complex and can require different maintenance services. Fees for some common services are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,846-$4,707 | |
| Hybrid Split | $3,741-$6,893 | |
| Heat Pump | $2,897-$29,519 | |
| Packaged Heating and Air | $242-$404 |
It's important to take care of HVAC repairs and replacements in a timely manner, but it can also be expensive. Thankfully, there are steps you can take to slow the wear and tear on your system.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $61-$162 | |
| Condensor Cleaning | $1,212-$3,636 | |
| Thermostat Repair | $81-$202 | |
| Ductwork Cleaning | $388-$970 |
Knowing what to look for in an HVAC company is important for a successful project. Partnering with an experienced, licensed contractor can offer you peace of mind and ensure your system provides reliable air conditioning and heating for your home.
Contact at least three HVAC companies for quotes. Explain your issues and schedule an in-person inspection if possible. Compare contractors' diagnoses, suggested repairs, estimated costs, warranties, and timeframes. Avoid companies that pressure you or demand upfront payment.
Choose an HVAC company with well-trained technicians who have proper licensing and experience. In all states, HVAC contractors have federal requirements from the Environmental Protection Agency (EPA). To obtain the EPA Section 608 Technician Certification, a contractor must pass an exam (the type of exam depends on the kind of equipment they intend to work with). Section 608 certification is required for all technicians who "maintain, service, repair or dispose of equipment that could release refrigerants into the atmosphere." All other licensing requirements are handled at the state level.
In Louisiana, HVAC contractors are considered mechanical contractors and are required to be licensed by the Louisiana State Licensing Board for Contractors. To obtain a license, contractors must provide proof of liability and workers' compensation insurance. You should also check a company's reviews and complaints with organizations such as Google Reviews, Yelp, and the Better Business Bureau (BBB). Choose a company with positive reviews and a history of good customer service.
Always make sure you know what a company’s process looks like. When HVAC repairs are needed, ask your provider to explain which parts need replacement and why. Confirm that your technician will clean and test the system afterward to verify proper operation. When replacing your HVAC system, ask the contractor to provide details on the new estimated installation time, features, model, energy efficiency, and brand. Before signing a contract, make sure you understand the process your provider will use to select the correctly sized system for your home and what the cost will be.
Good HVAC companies offer warranties on service and installations. The more complete the coverage, the better. Compare warranty details between companies and pick the one that provides the most comprehensive protection within your budget.
Get a written proposal before HVAC work begins. A full quote includes both materials and labor costs. Make sure you understand and accept all terms before signing the contract.
Generally, your HVAC system should be inspected twice a year. After an inspection, your technician will tell you what services are needed. You should also have your system inspected and serviced if you start to notice any issues, like leaks, unusual smells, or strange noises. If you have ductwork in your home, it should be serviced every few years.
The best times of the year to have your HVAC system inspected are the spring and fall. Technicians are generally less busy during these times, which makes it easier to get an appointment. This also ensures that your system is ready for the summer and winter, which is when it normally gets the most use.
You can save energy during the summer by reducing the amount of power your HVAC system uses to keep your home cool. Set your thermostat as close to the outside temperature as you comfortably can, and try to avoid making drastic changes in temperature all at once. Keep your roof in good shape and seal any leaks around your doors and windows to help keep cool air in. Similarly, make sure your attic is well ventilated to avoid trapping excess heat in your home.
For a 2,000-square-foot home, you should look for around 2.5 to 5 tons of air conditioning capacity. In Mandeville, you'll probably want to purchase a unit on the higher end of this range. If your home is larger than 1,000 square feet, central air will be more effective than window units for cooling.
For a 2,000-square-foot home, you should also look for a furnace that is between 50,000 and 80,000 BTUs (British thermal units). In Mandeville, you may be able to make do with a lower-capacity furnace.
Usually, HVAC financing is through a third-party lender. If your HVAC company doesn't have financing options, you could consider taking out your own loan. Be sure to talk to a financial advisor and your HVAC company to learn what options are available to you and appropriate for your situation.
There are a number of ways you can make your HVAC system more energy-efficient:
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