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Last Updated: February 25, 2025
If you're like most Americans, more than half of your energy bill (55%, according to the U.S. Department of Energy) goes toward heating and cooling. You want your Sumter home to be comfortable, but you also don't want to waste your money on ineffective cooling and heating.
We've compiled this guide to the top HVAC companies in Sumter to help you hire the best person for your job and get your system into its best shape ever.

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

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

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

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

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

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

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

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

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

Our Rating
User Rating
Free quotes
Informative resources
Prompt service delivery
Reliable customer support
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An HVAC system that's malfunctioning or outdated likely needs professional attention for repairs or replacement.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 advise you whether you should repair or replace your HVAC unit.
HVAC installation or maintenance costs change depending on your system. Common HVAC unit types include the following:
HVAC maintenance costs differ depending on the particular service needed. HVAC systems are complicated and can require different maintenance services. Prices for some common services are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,746-$4,451 | |
| Hybrid Split | $3,538-$6,518 | |
| Heat Pump | $2,739-$27,913 | |
| Packaged Heating and Air | $229-$382 |
Taking care of necessary HVAC repairs and replacements when needed is important, but can be costly. Luckily, there are actions you can take to reduce gradual wear and tear on your system.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $57-$153 | |
| Condensor Cleaning | $1,146-$3,438 | |
| Thermostat Repair | $76-$191 | |
| Ductwork Cleaning | $367-$917 |
Knowing the right things to look for in an HVAC company is key for a smooth installation or repair. Picking an established business with certified technicians gives you assurance your HVAC system will deliver consistent heating and cooling year-round.
Contact at least three HVAC companies for quotes. Describe the issues and have specialists visit to inspect your system if possible. Compare the contractors' explanations, solutions, estimated costs, warranties, and timeframes. Avoid providers that pressure you or demand payment upfront.
It's important to choose an HVAC company that employs technicians with the proper 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, a contractor must pass an exam (the type of exam depends on what 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 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 Electrical, Plumbing, Heating, Air Conditioning, or Refrigeration, depending on what's required for a specific project. Contractors must have one year of work experience and pass an exam to obtain a license. Your city or county may have additional requirements. You should also check a company's reviews and complaints on sites such as Yelp, Google Reviews, and the Better Business Bureau (BBB). Pick a company with great feedback and stories of satisfied customers.
Always make sure you understand what a company’s process looks like. When getting HVAC repairs, ask your provider to explain which parts require replacement and why. Confirm that your technician will clean and test the system afterward to ensure proper operation. When replacing your HVAC, ask the provider to explain the new brand, energy efficiency, features, estimated installation time, and model. Before work starts, make sure you understand how your provider will determine the right system size for your home and what the price will be.
A trustworthy HVAC company will stand behind its repair services and equipment installations with a warranty. The longer and more comprehensive the coverage terms, the better. Carefully compare the fine print between contractors and choose the company that provides the most protection at a reasonable price.
Get written estimates before beginning HVAC work. The quote should cover costs for both materials and labor. Read all terms carefully before signing.
You should have your HVAC system inspected approximately twice yearly. Following an inspection, your technician will inform you what services are required. You should also call a technician if you start noticing issues such as leaks, unusual smells, or strange noises. If your system has ductwork, you should have it inspected every few years.
Generally, it's best to have your HVAC system inspected in the spring and fall, as these times tend to be less busy. This also helps make sure your system is prepared for the summer and winter, when it probably 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 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.
Generally, HVAC installation or replacement takes one to three days for the entire system. Installing or replacing an air conditioning unit or a furnace takes anywhere from about half a day up to two days. The exact amount of time will vary depending on factors like the size of your home, how easily accessible different parts of the system are, and whether your technician discovers any problems.
For a 2,000-square-foot home, you should look for around 2.5 to 5 tons of air conditioning capacity. In Sumter, you'll probably want to purchase a unit on the higher end of this range. For a house 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 Sumter, you may be able to make do with a lower-capacity furnace.
Usually, HVAC financing is provided by a third-party lender. If your HVAC company doesn't offer financing, you might consider taking out your own loan. Be sure to talk to your HVAC company and a financial advisor to learn what options are available and appropriate for your situation.
There are a number of ways you can make your HVAC system more energy-efficient:
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