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Last Updated: February 25, 2025
According to the U.S. Department of Energy, about 55% of the energy used in American homes is used for heating and cooling. In Grain Valley, you're likely looking to reduce your energy usage and save money on your bills.
The right HVAC contractor can get your system into its best shape ever, letting you keep your home comfortable while still saving money. That's why we've put together this guide to the best HVAC companies in Grain Valley.

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Informative resources
Reliable customer support
Clear pricing policy
Prompt service delivery
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Services Offered

Our Rating
User Rating
Free quotes
Clear pricing policy
Services Offered

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

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

Our Rating
User Rating
Free quotes
Reliable customer support
Services Offered

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

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

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

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

Our Rating
User Rating
Clear pricing policy
Informative resources
Free quotes
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:
An HVAC system that's not working properly or past its lifespan likely needs professional attention for repairs or replacement. Watch for these signals that your system needs service:
Arrange an inspection if you notice any of these problems. A local technician can inspect your system, identify problems, and figure out whether you need to fix or replace your HVAC.
What you pay for HVAC installation or maintenance varies based on your system type. Common HVAC unit styles include the following:
HVAC maintenance costs vary depending on the particular service needed. HVAC systems are complicated and may require different maintenance services. Prices for some common services are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,927-$4,913 | |
| Hybrid Split | $3,905-$7,194 | |
| Heat Pump | $3,024-$30,809 | |
| Packaged Heating and Air | $253-$422 |
Fixing your HVAC by repairing or replacing parts when needed is important, but can be expensive. Thankfully, there are actions you can take to minimize wear and tear over time on your system.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $63-$169 | |
| Condensor Cleaning | $1,265-$3,795 | |
| Thermostat Repair | $84-$211 | |
| Ductwork Cleaning | $405-$1,012 |
Knowing what to look for in an HVAC company is important for a successful project. Look for an experienced, licensed contractor that can give you peace of mind and ensure your system provides reliable air conditioning and heating for your home.
Contact at least three HVAC providers for quotes. Describe the issues and have technicians visit to inspect your system if possible. Compare the companies' explanations, solutions, estimated costs, warranties, and timeframes. Avoid providers that pressure you or demand payment upfront.
Look for an HVAC company that employs skilled technicians who have the necessary licensure and training. HVAC contractors in all states need to obtain a Section 608 Technician Certification from the Environmental Protection Agency (EPA). This certification is mandatory for any individual who helps "maintain, service, repair or dispose of equipment that could release refrigerants into the atmosphere." An individual must pass an exam (the type of exam depends on what kind of equipment they intend to work with) to be certified by the EPA. All other licensing requirements are handled on a state-by-state basis.
The state of Missouri doesn't have state-level HVAC contractor licensing requirements; however, most municipalities have local requirements. It's important to check with your local government to understand requirements for licenses such as HVAC Contractor or HVAC Journeyman Contractor. You can also check that a company holds a valid business license. Always check a company's reviews and complaints with organizations such as Yelp, Google Reviews, and the Better Business Bureau (BBB). You want to hire a provider with positive reviews and a history of good customer service.
Make sure you understand the details of any project before starting. If HVAC repairs are required, have your provider detail which parts need replacement and why. Get confirmation that your technician will clean and test the entire system after the repair to verify that everything works. When replacing your HVAC system, request that the installation company describe the new energy efficiency, features, brand, model, and estimated installation time. Before work starts, ask how your provider plans to accurately size the unit for your home and how much it will cost.
Reliable HVAC companies provide warranties for their work. The broader the coverage, the better, so make sure to review warranties between providers. Choose the one that offers the best coverage at a fair cost.
Always get estimates for HVAC service in writing before committing to a provider. An itemized 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 yearly. After 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 leaks, strange noises, or unusual smells. If your system has ductwork, you should have it inspected every few years.
Normally, it's a good idea to schedule inspections 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 probably 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 is comfortable, and avoid making drastic changes — adjust it only a few degrees at a time. You may also consider a smart thermostat.
For a 2,000-square-foot home, you'll need between 2.5 and 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).
Your HVAC company may provide financing options via a third-party lender, or you might be able to obtain a loan on your own. It's smart to discuss payment options with a financial advisor and your HVAC company to make sure that you find the best option for you.
There are a number of ways you can make your HVAC system more energy-efficient:
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