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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 heating and cooling, you'll want to ensure that the HVAC system in your Elizabethton home is functioning optimally.
The right HVAC contractor can get your system into its best shape ever, letting you keep your home comfortable while still saving money. That's why we've put together this guide to the top HVAC companies in Elizabethton.

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

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

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

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

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

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

Our Rating
User Rating
Services Offered

Our Rating
User Rating
Free quotes
Reliable customer support
Services Offered

Our Rating
User Rating
Clear pricing policy
Reliable customer support
Free quote
Informative resources
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:
A malfunctioning or aging HVAC system probably needs professional attention from a technician 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 the above, it's wise to have a local HVAC technician inspect your system. They can pinpoint problems and recommend whether repair or full HVAC replacement is the better solution.
What you pay for HVAC installation or maintenance depends on your system type. Common HVAC unit styles include the following:
The price of HVAC maintenance also varies depending on what kind of work you're having done. HVAC systems are complex and can require different kinds of maintenance. The prices of some common jobs are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,776-$4,528 | |
| Hybrid Split | $3,599-$6,631 | |
| Heat Pump | $2,787-$28,395 | |
| Packaged Heating and Air | $233-$389 |
HVAC upkeep is important, but can be expensive. Thankfully, there are steps homeowners can take to reduce wear and tear on their system and lower future maintenance needs.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $58-$155 | |
| Condensor Cleaning | $1,166-$3,498 | |
| Thermostat Repair | $78-$194 | |
| Ductwork Cleaning | $373-$933 |
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 maintain your HVAC system properly, providing you with effective air conditioning and heating in your home.
Contact at least three HVAC providers for quotes. Explain the issues and have technicians visit to inspect your HVAC system if possible. Compare the companies' explanations, solutions, estimated costs, timeframes, and warranties. Avoid providers that pressure you or demand payment upfront.
Choose an HVAC company with highly trained technicians who have appropriate licensing and experience. In all states, HVAC contractors have federal requirements from the Environmental Protection Agency (EPA). To obtain the EPA Section 608 Technician Certification, contractors must pass an exam (the type of exam depends on the kind of equipment they plan 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 by the state.
In Tennessee, HVAC contractors are only required to be licensed if they work on projects valued at $25,000 or more. In these cases, they require a mechanical contractor license from the Department of Commerce and Insurance.
Many counties will require a Limited Licensed Electrician license to complete jobs that involve electrical work, and there may be other local requirements for HVAC contractors. Make sure that you check with your city or municipal government before signing a contract. You should 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 glowing feedback and good customer testimonials.
Make sure you understand the details of your project before starting. When getting HVAC repairs, have your provider list which parts require replacement and why. Confirm that your technician will clean and test the system after the repair to ensure that everything works. When replacing your HVAC, have the contractor explain the new estimated installation time, brand, model, features, and energy efficiency. Before signing a contract, be sure you understand how your provider will determine the right system size for your home and what the price will be.
Reliable HVAC companies provide warranties for their services. The broader the coverage, the better, so make sure to compare warranties between companies. Choose the one that provides the most comprehensive coverage at a reasonable cost.
Get written estimates before beginning any HVAC work. The quote should include costs for both materials and labor. Review all terms carefully before signing.
You should have your HVAC system inspected about twice annually. After completing their inspection, your technician will tell you what services are required. You should also have your system inspected if you notice new issues such as leaks, unusual smells, or strange noises. If your home has ductwork, it should be inspected every few years.
Usually, you should have your HVAC system inspected in the spring and fall, as technicians tend to be less busy at these times. This also helps get your system ready for the summer and winter, when it likely sees the most use.
You can save energy throughout the year by reducing the amount of power your HVAC system uses to maintain your home's temperature. Always keep your thermostat as close to the outside temperature as is comfortable, and try to adjust it only a few degrees at once. You might also consider getting a smart thermostat.
Generally, whole-system HVAC installation or replacement takes between one and three days. 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 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 need around 2.5 to 5 tons of air conditioning capacity. For homes over 1,000 square feet, central air will generally 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).
Your HVAC company might offer financing options via a third-party lender, or you might choose to obtain a loan on your own. It's smart to discuss payment options with your HVAC company and a financial advisor to make sure that you find the best option for you.
There are several ways you can make your HVAC system more energy-efficient:
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