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Last Updated: February 25, 2025
According to the Department of Energy, about 55% of energy use in American homes goes toward heating and cooling. In August, you're likely looking to reduce this energy expense and save money.
Explore our list of the top HVAC companies in August to find the best one for you and your home. Our topic contractors can help you reduce your bills while still staying comfortable.

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

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

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

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

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

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

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

Our Rating
User Rating
Clear pricing policy
Prompt service delivery
Informative resources
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:
A faulty or aging HVAC system probably needs professional attention from a technician who can make fixes or install a new unit. Keep an eye out for these common signs that your HVAC needs service:
These HVAC red flags indicate that you should have your system evaluated. A local provider can complete an inspection, diagnose problems, and recommend repairing or replacing your HVAC unit.
The cost of HVAC installation or maintenance varies depending on the type of unit you have. Common types of HVAC units include the following:
HVAC maintenance prices vary based on the specific services needed. HVAC systems can be complex and potentially require a number of services. Price ranges for typical jobs are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,864-$4,752 | |
| Hybrid Split | $3,777-$6,959 | |
| Heat Pump | $2,925-$29,800 | |
| Packaged Heating and Air | $245-$408 |
Repairing or replacing your HVAC system when needed is important, but can be expensive. Thankfully, there are actions you can take to slow the wear and tear on your system.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $61-$163 | |
| Condensor Cleaning | $1,224-$3,671 | |
| Thermostat Repair | $82-$204 | |
| Ductwork Cleaning | $392-$979 |
Knowing the indicators of a reliable HVAC company is key for a smooth repair or installation. Established providers with certified technicians can offer assurance your HVAC system will deliver consistent heating and cooling year-round.
Contact at least three HVAC providers for quotes. Describe the issues and have technicians visit to inspect your system if possible. Compare the contractors' explanations, solutions, estimated costs, timeframes, and warranties. Avoid providers that pressure you or demand payment upfront.
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, individuals must pass an exam (the specific exam depends on what 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 at the state level.
HVAC contractors in California must be licensed by the Department of Consumer Affairs Contractors State License Board (CSLB). HVAC contractors are considered specialty contractors by the CSLB. All contractors are required to have four years of experience and to be bonded, and contractors with employees must also meet insurance requirements. Also check a company's reviews and complaints on sites such as Yelp, the Better Business Bureau (BBB), and Google Reviews. Pick a company with glowing feedback and good customer testimonials.
Always make sure you understand the details of any project. When HVAC repairs are required, your provider should detail which parts need replacement and why. Confirm that your technician will clean and test the system after repairs are completed to ensure that it’s working properly. When getting a replacement, ask your contractor to explain the new HVAC system model, energy efficiency, features, brand, and estimated installation time. Before starting the project, you should understand how your provider will size the system appropriately for your home and the price you'll pay.
Reliable HVAC companies provide warranties for their services. Broader coverage is better, so make sure to compare warranties between providers. Choose the one that provides the most comprehensive coverage at a reasonable cost.
Get a written quote before HVAC work begins. A full 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 about twice a year. After the inspection, your technician will tell you if any services are needed. You should also have your system inspected if you start noticing issues such as leaks, strange noises, or unusual smells. If your home has ductwork, it should be inspected every few years.
Usually, it's best 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 leaks around your doors and windows to help keep cool air in. 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 only need an air conditioning unit or a furnace, this may take between half a day and two days. This timeline can be affected by the size of your home, the accessibility of your system, and any issues your technician discovers.
For a 2,000-square-foot home, look for a furnace that's between 50,000 and 80,000 BTUs (British thermal units). In August, you may be able to make do with a furnace on the lower end of this range.
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 August, you'll likely want something on the higher end of this range. In general, if your home is larger than 1,000 square feet, central air will be more effective than window air conditioning units.
There are a number of ways you can make your HVAC system more energy-efficient:
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