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Last Updated: February 25, 2025
If you're like the average American, over half of your energy bill (55%, per the U.S. Department of Energy) goes toward heating and cooling. Since cooling and heating represent such a significant chunk of your utility bills, you'll want to ensure that the HVAC system in your Lexington home is functioning properly.
We've assembled this guide to the top HVAC companies in Lexington to help you find the right person for your job and get your system into its best shape ever.

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

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

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

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

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

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

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

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

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

Our Rating
User Rating
Reliable customer support
Informative resources
Free quotes
Clear pricing policy
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 home's HVAC system is malfunctioning or getting old, you might need an HVAC contractor for repairs or replacement. Look for these common signs that your system requires expert attention:
Arrange an inspection if you notice any of these issues. A local technician can inspect your system, detect problems, and determine whether you need repairs or a new HVAC unit.
The price of HVAC installation or maintenance will differ depending on the type of unit you have. Common kinds of HVAC units include the following:
HVAC maintenance prices vary depending on the particular service needed. HVAC systems are complex and may require different kinds of maintenance. Prices for some common services are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,796-$4,577 | |
| Hybrid Split | $3,638-$6,703 | |
| Heat Pump | $2,817-$28,705 | |
| Packaged Heating and Air | $236-$393 |
It’s important to make any essential HVAC fixes or 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 | $59-$157 | |
| Condensor Cleaning | $1,179-$3,536 | |
| Thermostat Repair | $79-$196 | |
| Ductwork Cleaning | $377-$943 |
Knowing what to look for in an HVAC company is important for a successful project. Partnering with an experienced, licensed contractor can give you peace of mind and make sure your system provides reliable air conditioning and heating for your home.
Request estimates from at least three HVAC providers. Explain your issues and ask if technicians can inspect your system in person. Compare each provider's diagnoses, recommended solutions, estimated cost, timelines, and warranties. Avoid contractors that pressure you or demand payment before work.
Choose an HVAC company with highly trained technicians who have appropriate 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 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 at the state level.
HVAC contractors in North Carolina must be licensed by the State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors. A licensed firm may employ individuals who aren't all individually licensed; however, all work must be supervised by a licensed contractor. Contractors may hold multiple different licenses for different kinds of jobs. You should also read reviews and complaints on sites like Yelp, the Better Business Bureau (BBB), and Google Reviews. Pick a company with glowing reviews and reports of good customer experiences.
It’s important to understand what the work process is going to look like. For HVAC repairs, the company should detail the particular parts that need replacement and why. Confirm that your technician will clean and test the full system afterward to ensure proper functioning. When replacing your HVAC, ask the contractor to describe the new model, estimated installation time, brand, features, and energy efficiency. Before signing a contract, 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 work with warranties. Compare warranties from different companies, keeping in mind that more comprehensive coverage is better. Look for the provider that offers the most coverage for a reasonable price.
Get written quotes before starting HVAC work. The quote should outline costs for both materials and labor. Read all terms carefully before signing.
You should have your HVAC system inspected twice yearly. At the time of the inspection, your technician will inform you what services are required. You should also call a technician if you start noticing issues such as strange noises, leaks, or unusual smells. If your system has ductwork, you should have it inspected every few years.
Usually, you should schedule inspections in the spring and fall, as these times tend to be less busy. This also helps get your system ready 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 you can, and try to avoid making drastic changes in temperature all at once. Keep your roof well-maintained and seal any door or window leaks to avoid letting cool air escape. 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 only need a furnace or a single air conditioning unit, this might 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 discovers.
For a 2,000-square-foot home, you'll need between 2.5 and 5 tons of air conditioning capacity. In Lexington, you'll probably want to purchase a unit on the higher end of this range. If your home is larger than 1,000 square feet, central air will usually 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 Lexington, you might be able to make do with a lower-capacity furnace.
Typically, HVAC financing is provided by a third-party lender. If your HVAC company doesn't offer financing, you may consider taking out a loan on your own. 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.
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