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Last Updated: February 25, 2025
If you're like most Americans, more than half of your energy bill (55%, per the U.S. Department of Energy) goes toward heating and cooling your home. You don't want to spend more than you need to on cooling and heating your Huntsville home, so it's critical that all systems are functioning properly.
Our guide to Huntsville's top HVAC companies can help you get your system into top shape, allowing you to keep comfortable while saving money.

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Informative resources
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Prompt service delivery
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Services Offered

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

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

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

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

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

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

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

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

Our Rating
User Rating
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 old, it likely needs servicing or replacement from an HVAC company. Watch for these signs your system needs service:
If you see any of these HVAC issues, have a technician inspect your system. A local professional can diagnose problems and let you know whether whether repairing or getting a new HVAC unit is the correct solution.
What you pay for HVAC installation or maintenance depends on your system type. Common HVAC unit styles include the following:
HVAC maintenance prices vary based on the work needed. HVAC systems are complex and may need a number of types of maintenance. Costs for common jobs are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,843-$4,699 | |
| Hybrid Split | $3,735-$6,881 | |
| Heat Pump | $2,892-$29,469 | |
| Packaged Heating and Air | $242-$403 |
It's important to take care of HVAC repairs and replacements in a timely manner, but it can also be expensive. Luckily, there are some steps you can take to reduce wear and tear on your system.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $61-$161 | |
| Condensor Cleaning | $1,210-$3,630 | |
| Thermostat Repair | $81-$202 | |
| Ductwork Cleaning | $387-$968 |
Knowing what to look for in an HVAC company is crucial for a successful project. Partnering with an experienced, licensed contractor can give you peace of mind and ensure your system provides reliable heating and air conditioning for your home.
Request estimates from at least three HVAC contractors. Explain your issues and ask if technicians can inspect your system in person. Review each contractor's diagnoses, recommended solutions, estimated cost, timelines, and warranties. Avoid companies that pressure you or demand payment before work.
Choose an HVAC company with well-trained 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, individuals 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 by the state.
In Alabama, HVAC contractors must be licensed through the Board of Heating, Air Conditioning and Refrigeration Contractors. Contractors must hold a surety bond and must complete a set number of continuing education hours annually. You should also check reviews and complaints on sites like the Better Business Bureau (BBB), Google Reviews, and Yelp. Pick a company with positive reviews and testimonials about great customer experiences.
Always make sure you know the details of a planned project. For HVAC repairs, your provider should detail which parts need replacement and why. Confirm that your technician will clean and test your system after repairs are completed to verify that it’s working properly. When replacing your HVAC, have the contractor explain the new brand, estimated installation time, model, features, and energy efficiency. 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.
Trustworthy HVAC companies stand behind their work with warranties. Look at warranties from different companies, bearing in mind that broader coverage is better. Look for the company that provides the most coverage for a fair price.
Always get HVAC bids in writing before work begins. A comprehensive quote covers costs for both materials and labor. Confirm that you understand all terms before signing the contract.
You should have your HVAC system inspected about twice annually. At the time of the inspection, your technician will inform you if any services are required. You should also schedule an inspection if you start noticing issues such as strange noises, leaks, or unusual smells. If your home has ductwork, you should have it inspected every few years.
Usually, it's smart to have your HVAC system inspected 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 typically sees the most use.
You can save energy during the summer by making it easier for your HVAC system to keep your home cool. Keep your thermostat temperature as close to the outside temperature as you comfortably can, and 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.
Generally, whole-system HVAC installation or replacement takes one to 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 be based on factors like how large your home is, how easily accessible different areas are, and whether your technician runs into any problems.
For a 2,000-square-foot home, you'll need between 2.5 and 5 tons of air conditioning capacity. In Huntsville, 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 Huntsville, you may be able to make do with a lower-capacity furnace.
Typically, HVAC financing is offered through a third-party lender. If your HVAC company doesn't have financing options, you could 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 and appropriate for your situation.
There are a number of ways you can make your HVAC system more energy-efficient:
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