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Written By Bradford Cuthrell
Last Updated February 2024
On average, 55% of the energy used in American homes is for heating and cooling, according to the Department of Energy. With the cost of living in St. Charles, you're likely eager to reduce your energy bills.
Use our guide to the top HVAC companies in St. Charles to find the best choice for you and your home. Our topic contractors can help you reduce your bills while still staying comfortable.
Our Rating
Free quote
Clear pricing policy
Informative resources
Reliable customer support
Services Offered
Our Rating
Reliable customer support
Clear pricing policy
Prompt service delivery
Free quote
Informative resources
Services Offered
Our Rating
Free quote
Clear pricing policy
Prompt service delivery
Services Offered
Our Rating
Informative resources
Clear pricing policy
Services Offered
Our Rating
Reliable customer support
Clear pricing policy
Prompt service delivery
Informative resources
Free quote
Services Offered
Our Rating
Free quote
Clear pricing policy
Informative resources
Reliable customer support
Services Offered
Our Rating
Free quote
Reliable customer support
Informative resources
Clear pricing policy
Services Offered
Our Rating
Informative resources
Clear pricing policy
Prompt service delivery
Reliable customer support
Free quote
Services Offered
Our Rating
Free quote
Reliable customer support
Clear pricing policy
Informative resources
Prompt service delivery
Services Offered
Our Rating
Clear pricing policy
Informative resources
Reliable customer support
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 old, it likely needs servicing or replacement from an HVAC company. Look for these signs your system needs service:
These HVAC red flags indicate that you should have your system evaluated. A local company can complete an inspection, identify problems, and advise you whether you should repair or replace your HVAC unit.
What you pay for HVAC installation or maintenance varies based on your system style. Common HVAC unit styles include the following:
HVAC maintenance prices differ based on the specific services required. HVAC systems can be complex and potentially require several different services. Price ranges for typical jobs are as follows:
HVAC Unit Type | Cost | |
---|---|---|
Split | $1,882-$4,798 | |
Hybrid Split | $3,814-$7,026 | |
Heat Pump | $2,953-$30,089 | |
Packaged Heating and Air | $247-$412 |
It's important to fix or swap out your HVAC components when they become damaged, but it can also be expensive. Thankfully, there are some steps you can take to reduce wear and tear on your HVAC.
Service | Cost | |
---|---|---|
Filter Replacement | $62-$165 | |
Condensor Cleaning | $1,236-$3,707 | |
Thermostat Repair | $82-$206 | |
Ductwork Cleaning | $395-$988 |
Knowing what makes a trustworthy HVAC company is vital for an easy installation or repair. Hiring an experienced, credentialed HVAC contractor gives you confidence your system can provide reliable heating and air conditioning year-round.
Request estimates from three or more HVAC providers. Explain your issues and ask if technicians can inspect your system in person. Review each contractor's diagnoses, recommended solutions, estimated cost, timeline, and warranties. Avoid companies that pressure you or demand payment before work.
Choose an HVAC company with well-trained technicians who have appropriate licensing and experience. 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 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.
Missouri doesn't have state-level licensing requirements for HVAC contractors; however, most municipalities have local requirements. It's important to check with your local government to understand requirements for licenses like HVAC Contractor or HVAC Journeyman Contractor. You can also verify that a company holds a valid business license. You should also check reviews and complaints on sites like Yelp, Google Reviews, and the Better Business Bureau (BBB). Pick a company with positive reviews and testimonials about fantastic customer experiences.
Always make sure you know the details of any project. For HVAC repairs, your provider should list which parts require replacement and why. Confirm that your technician will clean and test the system after repairs are done to verify that it’s working properly. When replacing your HVAC, have the contractor explain the new estimated installation time, model, brand, energy efficiency, and features. Before signing a contract, make sure you understand how your provider will determine the right system size for your home and what the price will be.
Trustworthy HVAC companies back their services with warranties. Compare warranties from different companies, keeping in mind that broader coverage is better. Look for the provider that offers the most coverage for a fair price.
Always get estimates for HVAC service in writing before work begins. A comprehensive quote should cover both labor and materials. Make sure you understand all terms before signing a contract.
You should have your HVAC system inspected about twice a year. After the inspection, your technician will inform you what services are required. You should also schedule an inspection if you start noticing issues such as leaks, unusual smells, or strange noises. If your system has ductwork, it should be inspected every few years.
Normally, it's best to have your HVAC system inspected in the spring and fall, as technicians tend to be less busy at these times. 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 throughout the year by making it easier for your HVAC system to maintain the temperature of your home. During all seasons, keep your thermostat as close to the outside temperature as possible, and avoid making drastic changes — adjust it only a few degrees at a time. You could also consider purchasing a smart thermostat.
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 depend on factors like how large your home is, how easily accessible different sections are, and whether your technician runs into any problems.
For a 2,000-square-foot home, you need around 2.5 to 5 tons of air conditioning capacity. For homes 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 should also look for a furnace that is between 50,000 and 80,000 BTUs (British thermal units).
Usually, HVAC financing is provided by a third-party lender. If your HVAC company doesn't have financing options, 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.