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Last Updated: February 25, 2025
On average, 55% of the energy used in American homes is for heating and cooling, according to the Department of Energy. Since such a significant portion of your utility bill goes toward cooling and heating, you'll want to make sure the HVAC system in your Moncks Corner home is functioning properly.
We've compiled this guide to Moncks Corner's top HVAC companies to help you hire the right person for your job and get your system into its best shape ever.

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

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

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

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

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

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

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

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

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

Our Rating
User Rating
Free quotes
Reliable customer support
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:
An HVAC system that's broken or old likely needs professional attention for maintenance or replacement. Watch for these signs that your system needs service:
These HVAC red flags indicate that you should have your system evaluated. A local technician can complete an inspection, identify problems, and recommend repairing or replacing your HVAC unit.
Your HVAC installation or maintenance cost varies depending on the style of unit. Common HVAC unit types include the following:
The cost of HVAC maintenance also varies depending on the kind of work you're having done. HVAC systems are complicated and can require different kinds of maintenance. The cost of some common repairs is 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 |
Taking care of necessary HVAC repairs and replacements when needed is crucial, but can be costly. Luckily, 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 what to look for in an HVAC company is crucial for a successful project. Look for an experienced, licensed contractor that can offer you peace of mind and make sure your system provides reliable heating and air conditioning for your home.
Get quotes from three or more HVAC contractors. Explain your issues and ask if specialists can inspect your system in person. Compare each contractor's diagnoses, recommended solutions, estimated cost, timeline, and warranties. Avoid companies that pressure you or demand payment before work.
When looking for an HVAC provider, choose one with technicians that have the appropriate training, licenses, and experience. In all states, HVAC contractors need to obtain a Section 608 Technician Certification from the Environmental Protection Agency (EPA). This certification is mandatory for any individual who helps "maintain, service, repair or dispose of equipment that could release refrigerants into the atmosphere." An individual must pass an exam (the type of exam depends on the type of equipment they intend to work with) to be certified by the EPA. All other licensing requirements are handled on a state-by-state basis.
HVAC contractors in South Carolina must be licensed as mechanical contractors through the South Carolina Department of Labor, Licensing and Regulation Contractor's Licensing Board. This license can have multiple specialities, such as Plumbing, Refrigeration, Air Conditioning, Heating, or Electrical, depending on what's needed for a specific project. Contractors need to have one year of work experience and must pass an exam to obtain a license. Individual cities or counties may have additional requirements. Reviewing feedback on Yelp, the Better Business Bureau (BBB), Google Reviews, and similar sites can assist your decision. Choose a company with stellar reviews and stories of positive customer experiences.
It’s important to understand what the work process is going to look like. For HVAC repairs, the company should explain the exact parts that need replacement and why. Confirm that your technician will clean and test your system afterward to guarantee everything is working correctly. When replacing your HVAC, request that the company explain the new features, energy efficiency, brand, model, and estimated installation time. Before signing a contract, make sure you understand how your provider will determine the right system size for your home and what the price will be.
Trustworthy HVAC companies stand behind their services with warranties. Look at warranties from different companies, remembering that broader coverage is better. Look for the company that offers the most coverage for a reasonable price.
Always get estimates for HVAC service in writing before work begins. An itemized quote should cover both labor and materials. Make sure you understand all terms before signing a contract.
Typically, your HVAC system should be inspected twice a year. After an inspection, your technician will tell you what, if any, services are needed. You should also have your system inspected and serviced if you notice any new issues, like leaks, unusual smells, or strange noises. 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 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 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 avoid making drastic changes in temperature all at once. Keep your roof well-maintained and seal any leaks around your windows and doors to help keep cool air in. Similarly, make sure your attic is well ventilated to avoid trapping excess heat in your home.
It takes between one and three days to have an HVAC system installed or replaced. If you need just an air conditioning unit or a furnace, this may take between half a day and two days. This timeline can be influenced by the size of your home, how easily accessible your system is, and any issues your technician uncovers.
For a 2,000-square-foot home, try to purchase a furnace that's between 50,000 and 80,000 BTUs (British thermal units). In Moncks Corner, you may be able to make do with a lower-capacity furnace.
For a 2,000-square-foot home, you'll also want to look for an air conditioning unit with between 2.5 and 5 tons of capacity. In Moncks Corner, you'll likely look for something on the higher end of this range. In general, if your home is over 1,000 square feet, central air will be more effective than window air conditioning units.
There are several ways you can make your HVAC system more energy-efficient:
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