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Last Updated: February 25, 2025
On average, 55% of the energy used in American homes is for heating and cooling, according to the Department of Energy. It's important to make sure the temperature control systems in your Alexandria home are functioning properly, so that you don't spend more than you need to.
Our guide to Alexandria's top HVAC companies can help you save money by getting your HVAC system repaired, installed or replaced for a fair price by a skilled worker.

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

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

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

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

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

Our Rating
User Rating
Free quotes
Clear pricing policy
Services Offered

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

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

Our Rating
User Rating
Clear pricing policy
Informative resources
Free quote
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:
An HVAC system that's broken or past its lifespan likely needs professional attention for maintenance or replacement. Watch for these indicators that your system needs service:
Book an inspection if you notice any of these issues. A local technician can inspect your system, detect problems, and decide 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 varieties of HVAC units include the following:
The price of HVAC maintenance also varies depending on the kind of work being 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 | $1,835-$4,677 | |
| Hybrid Split | $3,718-$6,849 | |
| Heat Pump | $2,879-$29,332 | |
| Packaged Heating and Air | $241-$401 |
Essential HVAC maintenance is important, but can be pricey. Thankfully, homeowners can take steps to reduce wear and tear on their system and lower future maintenance needs.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $60-$161 | |
| Condensor Cleaning | $1,204-$3,613 | |
| Thermostat Repair | $80-$201 | |
| Ductwork Cleaning | $385-$964 |
Knowing what makes a trustworthy HVAC company is crucial for a successful installation or repair. Hiring an experienced, credentialed HVAC contractor gives you confidence your system can provide consistent heating and air conditioning year-round.
Contact at least three HVAC companies for quotes. Describe the issues and have specialists visit to inspect your HVAC system if possible. Compare the companies' explanations, solutions, estimated costs, warranties, and timeframes. Avoid companies that pressure you or demand payment upfront.
It's important to choose an HVAC company that employs technicians with the proper qualifications and expertise. In all states, HVAC contractors have federal requirements set by the Environmental Protection Agency (EPA). To obtain the EPA Section 608 Technician Certification, an individual 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 at the state level.
In Kentucky, HVAC contractors must be licensed by the Department of Housing, Buildings and Construction. Contractors can hold apprentice, journeyman, or master standing. Master contractors must have at least two years of experience, must have general liability insurance, and must participate in continuing education. You should also look at reviews and complaints on sites like the Better Business Bureau (BBB), Google Reviews, and Yelp. Choose a company with positive reviews and reports of fantastic customer experiences.
Always make sure you know what a company’s process is like. When getting HVAC repairs, ask your provider to specify which parts need replacement and why. Confirm that your technician will clean and test your system afterward to verify proper operation. When getting a replacement, ask the contractor to explain the new HVAC system features, energy efficiency, brand, estimated installation time, and model. Before signing a contract, you should understand the process your provider will use to properly size the system for your home and the price you'll pay.
Reliable HVAC companies offer warranties on service and equipment installations. The more complete the coverage, the better. Compare warranty details between providers and pick the one that offers the best protection for a fair price.
Always get HVAC estimates in writing before work begins. A detailed quote will cover costs for both materials and labor. Ensure that you understand all terms before signing the contract.
You should have your HVAC system inspected about twice yearly. Following an inspection, your technician will tell you what services are needed. You should also call a technician if you start noticing issues such as strange noises, leaks, or unusual smells. If your system has ductwork, it should be inspected every few years.
Generally, it's best 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 probably sees the most use.
You can save energy throughout the year by making it easier for your HVAC system to maintain your home's temperature. Always keep your thermostat as close to the outside temperature as you can, and try to adjust it only a few degrees at once. You might also consider installing a smart thermostat.
It takes roughly one to three days to have your HVAC system installed or replaced. If you need just an air conditioning unit or a furnace, this may take anywhere from a few hours up to two days. This timeline can be affected by the size of your home, how easily accessible your system is, and any new issues your technician uncovers.
For a 2,000-square-foot home, you'll need between 2.5 and 5 tons of air conditioning capacity. For a house over 1,000 square feet, central air will usually be more effective for cooling than window units.
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).
Typically, HVAC financing is through a third-party lender. If your HVAC company doesn't offer financing, you might consider taking out your own loan. Be sure to talk to 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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