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Last Updated: February 25, 2025
According to the U.S. Department of Energy, approximately 55% of energy use in American homes goes toward heating and cooling. Since such a significant portion of your utility bill goes toward cooling and heating, you'll want to ensure that the HVAC system in your Fulton home is functioning properly.
We've put together this guide to Fulton's top HVAC companies to help you find the best person for your job and get your system into top shape.

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

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

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

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

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

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

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

Our Rating
User Rating
Reliable customer support
Free quotes
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 HVAC system is broken or getting near the end of its lifespan, it likely needs servicing or replacement from an HVAC company. Watch for these indicators your system needs service:
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 cost of HVAC installation or maintenance varies depending on the kind of unit you have. Common types of HVAC units include the following:
The amount you spend on HVAC maintenance also varies depending on what kind of work being done. HVAC systems are complex and may require different kinds of maintenance. The cost of some common repairs is as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,864-$4,751 | |
| Hybrid Split | $3,776-$6,957 | |
| Heat Pump | $2,924-$29,793 | |
| Packaged Heating and Air | $245-$408 |
It’s important to complete repairs or full-system HVAC replacements as needed, though they can be expensive. The good news is that homeowners have methods to decrease the effect of wear and tear and reduce the frequency of breakdowns.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $61-$163 | |
| Condensor Cleaning | $1,223-$3,670 | |
| Thermostat Repair | $82-$204 | |
| Ductwork Cleaning | $391-$979 |
Knowing the indicators of a reliable HVAC company is key for a smooth repair or installation. Established providers with certified technicians can offer assurance your HVAC system will deliver consistent coolig and heating year-round.
Contact at least three HVAC companies for quotes. Explain the issues and have specialists visit to inspect your system if possible. Compare the contractors' explanations, solutions, estimated costs, timeframes, and warranties. Avoid companies that pressure you or demand payment upfront.
Choose an HVAC company with skilled technicians who have proper 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, 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.
There are no state-level licensing requirements for HVAC technicians in Missouri; however, most municipalities have local requirements. It's in your best interest to check with your local government to understand requirements for licenses like HVAC Contractor or HVAC Journeyman Contractor. You can also confirm that a company holds a valid business license. Also look at a company's reviews and complaints on sites such as the Better Business Bureau (BBB), Google Reviews, and Yelp. Pick a company with positive feedback and good customer testimonials.
Always make sure you understand the details of your project. For HVAC repairs, your provider should detail which parts need replacement and why. Confirm that your technician will clean and test the system after repairs are done to verify that it’s working properly. When replacing your HVAC, request that the company explain the new energy efficiency, estimated installation time, brand, model, and features. Before signing paperwork, make sure you understand the process your provider will use to size the new HVAC system appropriately for your home and what the price will be.
Reputable HVAC companies stand behind their work with warranties. Compare warranties from different companies, keeping in mind that more comprehensive coverage is better. Look for the company that provides the most coverage for a fair price.
Always get estimates for HVAC service in writing before work begins. A detailed quote should cover both labor and materials. Make sure you understand all terms before signing a contract.
Normally, your HVAC system should be inspected twice a year. After that inspection, your technician will tell you what services are needed. You should also have an inspection if you start to notice any issues, such as 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 during the spring and fall. Technicians are often less busy during these times, so it will be easier to get an appointment. This also ensures that your system is ready for the summer and winter, which is when it normally gets the most use.
You can save energy throughout the year by making it easier for your HVAC system to maintain the temperature of your home. During all seasons, keep your thermostat as close to the outside temperature as possible, and avoid making drastic changes — adjust it only a few degrees at a time. You could also consider purchasing a smart thermostat.
Generally, HVAC installation or replacement takes between one and three days for the entire system. 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 vary depending on things like the size of your home, how easily accessible different parts of the system are, and whether your technician discovers any problems.
Usually, HVAC financing is offered through a third-party lender. If your HVAC company doesn't have financing options, you could consider taking out your own loan. Be sure to talk to your HVAC company and a financial advisor 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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