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Last Updated: February 25, 2025
According to the Department of Energy, approximately 55% of energy use in American homes goes toward heating and cooling. It's important to make sure the heating and cooling systems in your Greenfield home are functioning properly, so you can avoid spending more than you need to.
Our guide to the top HVAC companies in Greenfield can help you get your system into top shape, allowing you to save money while staying comfortable.

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

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

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

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

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

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

Our Rating
User Rating
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 home's HVAC system is malfunctioning or getting old, you might need an HVAC contractor for maintenance or replacement. Look for these common indicators that your system requires professional attention:
If you notice any of these HVAC red flags, your system evaluated. A local provider can complete an inspection, identify problems, and advise you whether you should repair or replace your HVAC unit.
HVAC installation or maintenance prices change depending on your system. Common HVAC unit varieties include the following:
HVAC maintenance prices vary based on the services needed. HVAC systems are complicated and may need a number of types of maintenance. Costs for common jobs are as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,709-$4,357 | |
| Hybrid Split | $3,463-$6,380 | |
| Heat Pump | $2,681-$27,322 | |
| Packaged Heating and Air | $224-$374 |
HVAC upkeep is important, but can be expensive. Luckily, homeowners can take steps to reduce wear and tear on their HVAC and lower future maintenance needs.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $56-$150 | |
| Condensor Cleaning | $1,122-$3,366 | |
| Thermostat Repair | $75-$187 | |
| Ductwork Cleaning | $359-$898 |
Knowing the indicators of a good HVAC company is important. Working with a contractor that's properly licensed and highly experienced will give you confidence that they can fix your system, providing you with effective air conditioning and heating in your home.
Contact at least three HVAC contractors for quotes. Explain your issues and schedule an in-person inspection if possible. Compare providers' diagnoses, suggested repairs, estimated costs, timeframes, and warranties. Avoid companies that pressure you or demand upfront payment.
When picking an HVAC company, choose one with technicians that have the right 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 mandatory for all contractors who "maintain, service, repair or dispose of equipment that could release refrigerants into the atmosphere." Contractors 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.
There are no state-level licensing requirements for HVAC contractors in Indiana; however, most municipalities and cities have their own regulations. Make sure that you check with your local government and verify the business license of any company you hire. Also look at a company's reviews and complaints on sites such as the Better Business Bureau (BBB), Yelp, and Google Reviews. Pick a company with positive feedback and good customer testimonials.
Always make sure you understand what a company’s process is like. When getting HVAC repairs, ask your provider to explain which parts need replacement and explain why. Confirm that your technician will clean and test the full system after finishing the work to ensure proper operation. When replacing your HVAC system, ask the installation company to provide details on the new estimated installation time, brand, energy efficiency, model, and features. Before work begins, make sure you understand the process your provider will use to select the correctly sized system for your home and what the cost will be.
A trustworthy HVAC company will stand behind its repair work and equipment installations with a warranty. The longer and more comprehensive the warranty coverage, the better. Carefully review the fine print for each contractor and choose the company that provides the most protection within your budget.
Always get HVAC estimates in writing before work begins. A detailed quote covers costs for both labor and materials. Confirm that you understand all terms before signing the contract.
You should have your HVAC system inspected approximately twice annually. After the inspection, your technician will tell you what services are needed. You should also have your system inspected if you start noticing issues such as strange noises, unusual smells, or leaks. If your system has ductwork, it should be inspected every few years.
Generally, 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 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 possible, and avoid making drastic changes — adjust it only a few degrees at a time. You could also consider purchasing a smart thermostat.
Generally, HVAC installation or replacement takes between one and three days for the entire system. Installing or replacing a furnace or air conditioning unit can take as little as half a day or as much as two days. The exact amount of time will depend on things 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, look for a furnace that's between 50,000 and 80,000 BTUs (British thermal units).
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 general, if your home is larger than 1,000 square feet, central air will be more effective than window air conditioning units.
Your HVAC company might provide financing options through a third-party lender, or you may choose to obtain your own loan. It's a good idea 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 several ways you can make your HVAC system more energy-efficient:
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