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Last Updated: February 25, 2025
On average, 55% of energy use in American homes goes toward heating and cooling, according to the U.S. Department of Energy. In Biloxi, you're likely looking to reduce your energy usage and save money.
Our guide to Biloxi's top HVAC companies can help you save money by getting your HVAC system repaired, installed or replaced for a fair price by a skilled worker.

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

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

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

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

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

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

Our Rating
User Rating
Reliable customer support
Informative resources
Services Offered

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

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

Our Rating
User Rating
Reliable customer support
Clear pricing policy
Informative resources
Prompt service delivery
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 is malfunctioning or suffering from a lot of wear and tear, you might need an HVAC contractor for maintenance or replacement. Watch for these common signs that your system requires professional attention:
If you notice any of these HVAC red flags, your system evaluated. A local technician can complete an inspection, identify problems, and advise you whether you should repair or replace your HVAC unit.
The price of HVAC installation or maintenance will vary depending on the kind of unit you have. Common varieties of HVAC units include the following:
HVAC costs differ based on the services needed. HVAC systems are complex and may need a number of types of maintenance. Costs for common jobs are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,796-$4,580 | |
| Hybrid Split | $3,640-$6,706 | |
| Heat Pump | $2,819-$28,720 | |
| Packaged Heating and Air | $236-$393 |
It’s important to make any essential HVAC fixes or replacements as needed, though they can be expensive. The good news is that homeowners have ways to minimize progressive deterioration and reduce the frequency of breakdowns.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $59-$157 | |
| Condensor Cleaning | $1,179-$3,538 | |
| Thermostat Repair | $79-$197 | |
| Ductwork Cleaning | $377-$943 |
It's important to know what makes a good HVAC company. A properly licensed contractor with the right experience will give you confidence that they can fix your system, providing you with effective air conditioning and heating for your home.
Get quotes from three or more HVAC companies. Explain your issues and ask if technicians can inspect your system in person. Compare each company's diagnoses, recommended solutions, estimated cost, warranties, and timeline. Avoid companies that pressure you or demand payment before work.
Choose an HVAC company with highly trained technicians who have appropriate licensing and experience. In all states, HVAC contractors have federal requirements set by the Environmental Protection Agency (EPA). To obtain the EPA Section 608 Technician Certification, an individual must pass an exam (the specific 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.
HVAC contractors and subcontractors in Mississippi are required to be licensed by the Mississippi State Board of Contractors. To obtain this license, contractors need to show proof of general liability insurance, as well as workers' compensation insurance if they have above a certain number of employees. You should also check a company's reviews and complaints with organizations such as the Better Business Bureau (BBB), Yelp, and Google Reviews. You want to hire a company with glowing reviews and stories of positive service experiences.
It’s important to understand what the work process is going to look like. For HVAC repairs, the company should list the exact parts that need replacement and why. Confirm that your technician will clean and test the full system afterward to ensure proper functioning. When replacing your HVAC, ask your installation company to provide details on the new energy efficiency, features, brand, model, and estimated installation time. Before signing a contract, make sure you understand how your provider will properly size the new unit for your home and what the cost will be.
Reliable HVAC companies provide warranties for their work. Broader coverage is better, so make sure to review warranties between companies. Choose the one that provides the most comprehensive coverage at a reasonable cost.
Always get estimates for HVAC service in writing before work begins. A comprehensive quote should cover both materials and labor. Make sure you review all terms before signing a contract.
Typically, your HVAC system should be inspected twice a year. After that inspection, your HVAC technician will tell you what services are needed. You should also call a technician if you start to notice any issues, such as strange noises, leaks, or unusual smells. If your home has ductwork, it should be serviced every few years.
The best times of the year to have your HVAC system inspected are during the spring and fall. Technicians are less busy during these times, so it will be easier to get an appointment. This also helps get your system ready for the summer and winter, the times of the year when it sees the most use.
You can save energy during the summer by making it easier for your HVAC system to keep your home cool. Keep your thermostat temperature 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 well-maintained and seal any leaks around your windows and doors to avoid letting cool air escape. Similarly, ensure that your attic is well ventilated to avoid trapping excess heat in your home.
Generally, whole-system HVAC installation or replacement takes one to three days. Installing or replacing an air conditioning unit or a furnace can take as little as half a day or as much as two days. The exact amount of time will be based on factors like the size of your home, how easily accessible different parts of the system are, and whether your technician runs into any problems.
For a 2,000-square-foot home, you should look for around 2.5 to 5 tons of air conditioning capacity. In Biloxi, you'll probably want to purchase a unit on the higher end of this range. For homes over 1,000 square feet, central air is likely to be more effective than window units for cooling.
For a 2,000-square-foot home, you'll also look for a furnace that is between 50,000 and 80,000 BTUs (British thermal units). In Biloxi, you may be able to make do with a lower-capacity furnace.
Typically, HVAC financing is offered through a third-party lender. If your HVAC company doesn't have financing options, you may consider taking out your own loan. Be sure to speak with a financial advisor and your HVAC company to determine what options are available and appropriate for your situation.
There are several ways you can make your HVAC system more energy-efficient:
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