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Last Updated: February 25, 2025
On average, Americans devote 55% of their home energy usage to heating and cooling, according to the U.S. Department of Energy. Energy costs in Atlanta tend to be higher than in some other places, meaning that you're probably trying to save money on your bill.
A talented HVAC contractor can get your system into shape for a reasonable price, saving you money while keeping your home comfortable. That's why we've put together this guide to the best HVAC companies in Atlanta.

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

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

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

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

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

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

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

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

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

Our Rating
User Rating
Free quotes
Informative resources
Clear pricing policy
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:
A faulty or aging HVAC system probably needs attention from a professional who can make fixes or install a new unit. Watch out for these common indicators that your HVAC needs service:
If you notice any of these HVAC red flags, your system evaluated. A local company can complete an inspection, diagnose problems, and recommend repairing or replacing your HVAC unit.
HVAC installation or maintenance prices change depending on your system. Common HVAC unit varieties include the following:
The amount you spend on HVAC maintenance also depends on what kind of work being done. HVAC systems are complicated and might require different kinds of maintenance. The cost of some common repairs is as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,907-$4,861 | |
| Hybrid Split | $3,864-$7,118 | |
| Heat Pump | $2,992-$30,485 | |
| Packaged Heating and Air | $250-$417 |
HVAC upkeep is important, but can be expensive. Fortunately, homeowners can take steps to reduce wear and tear on their HVAC and lower future maintenance needs.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $63-$167 | |
| Condensor Cleaning | $1,252-$3,755 | |
| Thermostat Repair | $83-$209 | |
| Ductwork Cleaning | $401-$1,001 |
Knowing what makes a trustworthy HVAC company is crucial for a successful installation or repair. An experienced, credentialed HVAC contractor gives you confidence your system can provide reliable heating and air conditioning year-round.
Request estimates from at least three HVAC companies. Describe your issues and ask if specialists can inspect your system in person. Compare each company's diagnoses, recommended solutions, estimated cost, timelines, and warranties. Avoid contractors that pressure you or demand payment before work.
It's important to choose an HVAC company that employs technicians with the proper qualifications and expertise. In all states, HVAC contractors have federal requirements set by the Environmental Protection Agency (EPA). To obtain the EPA Section 608 Technician Certification, contractors 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 on a state-by-state basis.
In Georgia, all HVAC contractors must be licensed. They can have either a Class I or Class II license. A Class I license requires four years of experience and limits the type of equipment a contractor can work on. A Class II license requires five years of experience and is unrestricted. Licenses can be verified on the Secretary of State's website. You should also read reviews and complaints on sites like the Better Business Bureau (BBB), Google Reviews, and Yelp. Pick a company with positive reviews and reports of great customer experiences.
Always make sure you know what a company’s process looks like. When HVAC repairs are needed, ask your provider to specify which parts require replacement and why. Confirm that your technician will clean and test the system at the end of the job to verify proper operation. When replacing your HVAC, have the provider describe the new model, estimated installation time, brand, energy efficiency, and features. Before work starts, ask how your provider plans to accurately size the unit for your home and how much it will cost.
Trustworthy HVAC companies stand behind their services with warranties. Compare warranties from different companies, bearing in mind that broader coverage is better. Look for the company that provides the most coverage for a reasonable price.
Get a written proposal before HVAC work starts. A comprehensive quote includes both labor and material costs. Make sure you understand and accept all terms before signing the contract.
You should have your HVAC system inspected approximately twice annually. After the inspection, your technician will inform you if any services are required. You should also schedule an inspection if you notice new issues such as leaks, strange noises, or unusual smells. If your home has ductwork, you should have it inspected every few years.
Generally, it's smart to schedule inspections 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 likely 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. Keep your thermostat temperature as close to the outside temperature as is comfortable, and avoid making drastic changes in temperature all at once. Keep your roof in good shape 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.
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 things like the size of your home, how easily accessible different sections 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 Atlanta, 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 should also look for a furnace that is between 50,000 and 80,000 BTUs (British thermal units). In Atlanta, you may be able to make do with a lower-capacity furnace.
Normally, HVAC financing is provided by a third-party lender. If your HVAC company doesn't offer financing, you may consider taking out your own loan. Be sure to speak with a financial advisor and your HVAC company to find out 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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