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Last Updated: February 25, 2025
If you're like the typical American homeowner, over half of your energy bill (55%, according to the U.S. Department of Energy) goes toward heating and cooling. You don't want to spend more than you need to on temperature control in your Millbrook home, so it's important to make sure all systems are functioning properly.
We've researched and assembled this guide to the top HVAC companies in Millbrook to help you find the best person for your job and get your system into its best shape ever.

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

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

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

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

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

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

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

Our Rating
User Rating
Reliable customer support
Informative resources
Clear pricing policy
Free quotes
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 nearing the end of its lifespan, you may need to hire an HVAC contractor for maintenance or replacement. Watch for these common indicators that your system requires expert attention:
If you see any of these HVAC issues, we recommend having a technician inspect your system. A local professional can diagnose problems and decide whether repairing or getting a new HVAC unit is the best solution.
HVAC installation or maintenance costs change depending on your system. Common HVAC unit types include the following:
HVAC maintenance prices differ depending on the particular service needed. HVAC systems are complex and can require different kinds of maintenance. Fees for common services are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,746-$4,452 | |
| Hybrid Split | $3,539-$6,519 | |
| Heat Pump | $2,740-$27,920 | |
| Packaged Heating and Air | $229-$382 |
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 ways to reduce gradual wear and tear and reduce the frequency of breakdowns.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $57-$153 | |
| Condensor Cleaning | $1,146-$3,439 | |
| Thermostat Repair | $76-$191 | |
| Ductwork Cleaning | $367-$917 |
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 ensure your system provides reliable heating and air conditioning for your home.
Request estimates from at least three HVAC contractors. Describe 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 companies that pressure you or demand payment before work.
It's important to choose an HVAC company that employs technicians with the appropriate qualifications and expertise. In all states, HVAC contractors have federal requirements from the Environmental Protection Agency (EPA). To obtain the EPA Section 608 Technician Certification, a contractor must pass an exam (the specific 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 Alabama, HVAC contractors must be licensed through the Board of Heating, Air Conditioning and Refrigeration Contractors. Contractors must hold a surety bond and must participate in annual continuing education. Also look at a company's reviews and complaints on sites such as the Better Business Bureau (BBB), Yelp, and Google Reviews. Pick a company with great feedback and stories of satisfied customers.
Make sure you understand the details of your project before it begins. For HVAC repairs, have your provider list which parts require replacement and why. Get confirmation that your technician will clean and test your system after the repair to ensure that everything works. When replacing your HVAC, have the provider describe the new model, energy efficiency, brand, estimated installation time, and features. 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, bearing in mind that broader coverage is better. Look for the company that offers the most coverage for a reasonable price.
Always get HVAC quotes in writing before work begins. A thorough quote will cover costs for both materials and labor. Ensure that you agree to all terms before signing the contract.
You should have your HVAC system inspected about twice a year. At the time of the inspection, your technician will tell you what services are required. You should also call a technician if you start noticing issues such as leaks, strange noises, or unusual smells. If your home has ductwork, you should have it inspected every few years.
Normally, 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 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, ensure that your attic is well ventilated to avoid trapping excess heat in your home.
It takes roughly one to three days to have an HVAC system installed or replaced. If you need just an air conditioning unit or a furnace, this might take between half a day and two days. This timeline will be affected by the size of your home, how easily accessible your system is, and any issues your technician uncovers.
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 Millbrook, you may be able to make do with a lower-capacity furnace.
For a 2,000-square-foot home, you'll also want to look for an air conditioning unit with between 2.5 and 5 tons of capacity. In Millbrook, you'll likely look for 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 through a third-party lender. If your HVAC company doesn't offer financing, you might consider taking out a loan on your own. Be sure to talk to your HVAC company and a financial advisor to determine 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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