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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. Since cooling and heating represent such a significant chunk of your utility bills, you'll want to make sure the HVAC system in your Union home is functioning optimally.
We've compiled this guide to Union's top HVAC companies to help you choose the right person for your job and get your system into its best shape ever.

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

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

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

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

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

Our Rating
User Rating
Free quotes
Clear pricing policy
Services Offered

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

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

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

Our Rating
User Rating
Free quotes
Informative resources
Clear pricing policy
Prompt service delivery
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 broken or past its lifespan likely needs professional attention for maintenance or replacement. Watch for these signals that your system needs service:
These HVAC red flags indicate that you should have your system evaluated. A local technician 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 depends on your system style. Common HVAC unit styles include the following:
HVAC maintenance costs vary depending on the particular service needed. HVAC systems are complex and might require different kinds of maintenance. Costs for some common services are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,866-$4,757 | |
| Hybrid Split | $3,781-$6,965 | |
| Heat Pump | $2,927-$29,829 | |
| Packaged Heating and Air | $245-$408 |
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 methods to decrease the effect of wear and tear and reduce the frequency of breakdowns.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $61-$163 | |
| Condensor Cleaning | $1,225-$3,675 | |
| Thermostat Repair | $82-$204 | |
| Ductwork Cleaning | $392-$980 |
Knowing the indicators of a good HVAC company is important. A properly licensed contractor with the right experience will give you confidence that they can keep your system running efficiently, providing you with effective air conditioning and heating for your home.
Get quotes from three or more HVAC companies. Describe your issues and ask if specialists can inspect your system in person. Compare each company's diagnoses, recommended solutions, estimated cost, warranties, and timeline. Avoid providers that pressure you or demand payment before work.
When selecting an HVAC company, choose one with technicians that have the appropriate training, licenses, and experience. HVAC contractors in all states must obtain a Section 608 Technician Certification from the Environmental Protection Agency (EPA). This certification is required 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 by the state.
In Ohio, HVAC contractors are licensed by the Ohio Construction Industry Licensing Board. To obtain a license, contractors must have at least five years of experience, have a minimum amount of contractor liability coverage, and pass an exam. Your local jurisdiction may have additional licensing requirements. Reviewing feedback on the Better Business Bureau (BBB), Yelp, Google Reviews, and similar sites can aid your decision. Choose a company with stellar reviews and reports of positive customer experiences.
Always make sure you know the details of your project. When HVAC repairs are required, your provider should list which parts require replacement and why. Confirm that your technician will clean and test the system after repairs are finished to verify that it’s working properly. When replacing your HVAC, request that the installation company describe the new features, brand, model, estimated installation time, and energy efficiency. Before work starts, ask about the process your provider will use to properly size the new system for your home and how much it will cost.
Good HVAC companies offer warranties on service and installations. The more complete the coverage, the better. Compare warranty details between providers and pick the one that offers the most comprehensive protection for the fairest price.
Always get HVAC estimates in writing before work begins. A thorough quote covers costs for both labor and materials. Make sure that you understand all terms before signing the contract.
You should have your HVAC system inspected about twice annually. Following an inspection, your technician will tell you if any services are needed. You should also schedule an inspection if you notice new issues such as unusual smells, strange noises, or leaks. If your home 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 get your system ready for the summer and winter, when it typically sees the most use.
You can save energy throughout the year by reducing the amount of work it takes 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 might also consider purchasing 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 might take between half a day and two days. This timeline can be influenced by the size of your home, the accessibility of your system, and any issues your technician uncovers.
For a 2,000-square-foot home, you should look for around 2.5 to 5 tons of air conditioning capacity. For a house over 1,000 square feet, central air is likely to be more effective than window units for cooling.
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).
Normally, HVAC financing is offered through 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 speak with a financial advisor and your HVAC company 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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