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Last Updated: February 25, 2025
On average, American homeowners devote 55% of their energy usage to heating and cooling their home, according to the Department of Energy. Hanahan's hot summers probably increase your energy costs spending during the warmer months. The average resident spends $120 a month cooling their home.
Our list of the top HVAC companies in Hanahan can help you save money by getting your HVAC system repaired, installed or replaced by the right person for the right price.

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

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

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

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

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

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

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

Our Rating
User Rating
Reliable customer support
Informative resources
Prompt service delivery
Free quotes
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 suffering from a lot of wear and tear, you may need to hire an HVAC contractor for repairs or replacement. Look for these common indicators that your system needs professional attention:
If you notice any of the above, it's wise to have a local HVAC technician inspect your system. They can pinpoint problems and let you know whether repair or full HVAC replacement is the better solution.
Your HVAC installation or maintenance cost fluctuates depending on the type of unit. Common HVAC unit types include the following:
HVAC maintenance costs vary depending on the particular service needed. HVAC systems are complicated and might require different maintenance services. Fees for some common services are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,869-$4,763 | |
| Hybrid Split | $3,786-$6,975 | |
| Heat Pump | $2,932-$29,872 | |
| Packaged Heating and Air | $245-$409 |
Fixing your HVAC by repairing or replacing parts when needed is important, but can be expensive. Fortunately, there are steps you can take to reduce gradual wear and tear on your system.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $61-$164 | |
| Condensor Cleaning | $1,227-$3,680 | |
| Thermostat Repair | $82-$204 | |
| Ductwork Cleaning | $393-$981 |
Knowing the indicators of a good HVAC company is important. A properly licensed contractor with the right experience will give you confidence that they can keep your system running efficiently, providing you with effective air conditioning and heating for your home.
Contact at least three HVAC contractors for quotes. Describe your issues and schedule an in-person inspection if possible. Compare contractors' diagnoses, suggested repairs, estimated costs, timeframes, and warranties. Avoid providers that pressure you or demand upfront payment.
It's important to choose an HVAC company that employs technicians with the appropriate qualifications and expertise. HVAC contractors in all states 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 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 on a state-by-state basis.
HVAC contractors in South Carolina must be licensed as mechanical contractors by the South Carolina Department of Labor, Licensing and Regulation Contractor's Licensing Board. This license can have multiple specialities, such as Plumbing, Air Conditioning, Heating, Refrigeration, or Electrical, depending on what's needed for a specific project. Contractors need to have one year of work experience and pass an exam to get a license. Your city or county may have additional requirements. You should also look at reviews and complaints on sites like the Better Business Bureau (BBB), Google Reviews, and Yelp. Pick a company with positive reviews and testimonials about great customer experiences.
It’s important to understand what the work process will look like. For HVAC repairs, the company should list the particular parts that need replacement and why. Confirm that your technician will clean and test the full system afterward to ensure proper functioning. For replacement, ask your contractor to explain the new HVAC system estimated installation time, brand, features, energy efficiency, and model. Before work begins, you should understand the process your provider will use to properly size the system for your home and the price you'll pay.
Reliable HVAC companies provide warranties for their services. Broader coverage is better, so make sure to compare warranties between companies. Choose the one that offers the best coverage at a fair cost.
Get a written proposal before HVAC work starts. A full quote includes both labor and material costs. Make sure you understand and agree to all terms before signing the contract.
Normally, you should have your HVAC system inspected twice a year. After an inspection, your HVAC technician will tell you what services are needed. You should also have an inspection if you notice any new issues, like strange noises, unusual smells, or leaks. If your home has ductwork, it should be serviced every few years.
The best times to have an HVAC inspection 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, the times of the year when it gets the most use.
You can save energy during the summer by making it easier for your HVAC system to keep your home cool. Set your thermostat as close to the outside temperature as is comfortable, and try to avoid making drastic changes in temperature all at once. Keep your roof well-maintained and seal any door or window leaks to help keep cool air in. Similarly, make sure 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 a furnace or air conditioning unit takes anywhere from about half a day up to two days. The exact amount of time will be based on factors like how large your home is, how easily accessible different parts of the system are, and whether your technician finds any problems.
For a 2,000-square-foot home, you should look for around 2.5 to 5 tons of air conditioning capacity. In Hanahan, you'll probably want to choose a unit that's on the higher end of this range. If your home is larger than 1,000 square feet, central air will generally be more effective for cooling than window units.
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 Hanahan, you may be able to make do with a lower-capacity furnace.
Typically, HVAC financing is through a third-party lender. If your HVAC company doesn't have financing options, you might consider taking out your own loan. Be sure to speak with a financial advisor and your HVAC company to learn what options are available to you and appropriate for your situation.
There are several ways you can make your HVAC system more energy-efficient:
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