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Last Updated: February 25, 2025
If you're like the typical American homeowner, over half of your energy bill (55%, per the Department of Energy) goes toward heating and cooling. With so much money invested in cooling and heating your Lewisville home, you want to make sure you're getting the best return on your investment.
Our list of Lewisville's top HVAC companies can help you get your system into top shape, allowing you to keep comfortable while saving money.

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

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

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

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

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

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

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

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

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

Our Rating
User Rating
Clear pricing policy
Free quotes
Reliable customer support
Informative resources
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 faulty or getting near the end of its lifespan, it likely needs servicing or replacement from an HVAC company. Look for these signs your system needs service:
If you notice any of these HVAC red flags, your system evaluated. A local provider can complete an inspection, diagnose problems, and advise you whether you should repair or replace your HVAC unit.
The cost of HVAC installation or maintenance changes depending on the kind of unit you have. Common types of HVAC units include the following:
HVAC costs differ based on the work needed. HVAC systems are complicated and may need a number of types of maintenance. Costs for common jobs are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,855-$4,730 | |
| Hybrid Split | $3,760-$6,927 | |
| Heat Pump | $2,911-$29,664 | |
| Packaged Heating and Air | $244-$406 |
HVAC system repairs and replacements are important, but can be pricey. Luckily, homeowners can take steps to reduce wear and tear on their HVAC and lower future maintenance needs.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $61-$162 | |
| Condensor Cleaning | $1,218-$3,654 | |
| Thermostat Repair | $81-$203 | |
| Ductwork Cleaning | $390-$974 |
Knowing what to look for in an HVAC company is important for a successful project. Look for an experienced, licensed contractor that can offer you peace of mind and make sure your system provides reliable heating and air conditioning for your home.
Get quotes from at least three HVAC companies. Explain your issues and ask if technicians can inspect your system in person. Compare each provider's diagnoses, recommended solutions, estimated cost, warranties, and timelines. Avoid contractors that pressure you or demand payment before work.
When picking an HVAC provider, choose one with technicians that have the right training, licenses, and experience. In all states, HVAC contractors must obtain a Section 608 Technician Certification from the Environmental Protection Agency (EPA). This certification is required for all contractors who "maintain, service, repair or dispose of equipment that could release refrigerants into the atmosphere." An individual must pass an exam (the type of exam depends on the type of equipment they intend to work with) to be certified by the EPA. All other licensing requirements are handled by the state.
HVAC contractors in North Carolina are required to 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 types of jobs. Checking reviews on Yelp, the Better Business Bureau (BBB), Google Reviews, and similar sites can aid your decision as well. Choose a company with great reviews and stories of positive experiences from customers.
Always make sure you know what a company’s process looks like. When HVAC repairs are needed, ask your provider to list which parts need replacement and explain why. Confirm that your technician will clean and test the system at the end of the job to guarantee proper operation. For replacement, ask the contractor to explain the new HVAC system features, model, brand, estimated installation time, and energy efficiency. Before starting the project, you should understand the process your provider will use to properly size the system for your home and the price you'll pay.
Trustworthy HVAC companies provide warranties for their work. Broader coverage is better, so make sure to compare warranties between companies. Choose the one that gives you the most coverage at a fair cost.
Get a written estimate before HVAC work begins. 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 yearly. After the inspection, your technician will inform you what services are required. You should also have your system inspected if you start noticing issues such as leaks, strange noises, or unusual smells. If your system has ductwork, it should be inspected every few years.
Normally, it's smart to schedule inspections 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 during the summer by reducing the amount of power your HVAC system uses to keep your home cool. Set your thermostat as close to the outside temperature as you comfortably can, and avoid making drastic changes in temperature all at once. Keep your roof in good shape and seal any window or door leaks to avoid letting cool air escape. Similarly, ensure that your attic is well ventilated to avoid trapping excess heat in your home.
Generally, whole-system HVAC installation or replacement takes between one and three days. 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 parts of the system are, and whether your technician discovers any problems.
For a 2,000-square-foot home, you'll want a furnace that's between 50,000 and 80,000 BTUs (British thermal units). In Lewisville, you may be able to make do with a lower-capacity furnace.
For a 2,000-square-foot home, you'll also want to purchase an air conditioning unit with between 2.5 and 5 tons of capacity. In Lewisville, you'll likely need something on the higher end of this range. Usually, if your home is larger than 1,000 square feet, central air will be more effective than window air conditioning units.
Typically, HVAC financing is offered through 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 talk to a financial advisor and your HVAC company to learn 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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