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Last Updated: February 25, 2025
If you're like the typical American homeowner, over half of your energy bill (55%, per the Department of Energy) goes toward heating and cooling your home. With so much money spent on heating and cooling your Montgomery home, you want to know that you're getting the best return on your investment.
Our guide to the top HVAC companies in Montgomery can help you get your system into its best shape ever, allowing you to keep comfortable while saving money.

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

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

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

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

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

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

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

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

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

Our Rating
User Rating
Clear pricing policy
Reliable customer support
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:
An HVAC system that's malfunctioning or past its lifespan likely needs professional attention for maintenance or replacement. Watch for these signs that your system needs service:
If you notice any of these HVAC red flags, your system evaluated. A local company can complete an inspection, identify problems, and advise you whether you should repair or replace your HVAC unit.
Your HVAC installation or maintenance cost varies depending on the type of unit. Common HVAC unit varieties include the following:
The price of HVAC maintenance also varies depending on what kind of work being done. HVAC systems are complex and may require different kinds of maintenance. The cost of some common repairs is as follows:
| HVAC Unit Type | Cost | |
|---|---|---|
| Split | $1,985-$5,060 | |
| Hybrid Split | $4,022-$7,409 | |
| Heat Pump | $3,114-$31,731 | |
| Packaged Heating and Air | $261-$434 |
HVAC upkeep is important, but can be pricey. Luckily, there are steps homeowners can take to reduce wear and tear on their HVAC and lower future maintenance needs.
| Service | Cost | |
|---|---|---|
| Filter Replacement | $65-$174 | |
| Condensor Cleaning | $1,303-$3,909 | |
| Thermostat Repair | $87-$217 | |
| Ductwork Cleaning | $417-$1,042 |
Knowing the right things to look for in an HVAC company is key for a smooth installation or repair. 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. Explain the issues and have specialists visit to inspect your HVAC system if possible. Compare the providers' explanations, solutions, estimated costs, timeframes, and warranties. Avoid providers that pressure you or demand payment upfront.
When selecting an HVAC provider, choose one with technicians that have the appropriate training, licenses, and experience. In all states, HVAC contractors must obtain a Section 608 Technician Certification from the Environmental Protection Agency (EPA). This certification is required 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 the type of equipment they intend to work with) to be certified by the EPA. All other licensing requirements are handled by the state.
The state of Illinois doesn't have state-level licensing requirements for contractors. However, there may be local regulations. Be sure to check with your municipal government to confirm that your contractor meets all the requirements. You can also verify an Illinois business license on the Secretary of State's website. 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 great customer experiences.
Always make sure you understand what a company’s process looks like. When getting HVAC repairs, ask your provider to explain which parts require replacement and explain why. Confirm that your technician will clean and test your system afterward to ensure proper operation. When getting a replacement, ask your contractor to explain the new HVAC system brand, model, estimated installation time, energy efficiency, and features. Before starting the project, you should understand the process your provider will use to properly size the system for your home and the price you'll pay.
Good HVAC companies offer warranties on service and installations. The more complete the coverage, the better. Review warranty details between providers and pick the one that offers the best protection for the fairest price.
Always get HVAC estimates in writing before work begins. A comprehensive quote covers costs for both labor and materials. Confirm that you agree to all terms before signing the contract.
You should have your HVAC system inspected about twice annually. At the time of the inspection, your technician will inform you if any services are needed. You should also call a technician 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 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 reducing the amount of work it takes for your HVAC system to maintain the temperature of your home. Always keep your thermostat as close to the outside temperature as is comfortable, and avoid making drastic changes — adjust it only a few degrees at once. You may also consider a smart thermostat.
For a 2,000-square-foot home, you need around 2.5 to 5 tons of air conditioning capacity. If your home is larger than 1,000 square feet, central air will generally be more effective for cooling than window units.
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).
Your HVAC company might offer financing options via a third-party lender, or you might choose to obtain a loan on your own. It's a good idea to discuss payment options with a financial advisor and your HVAC company to make sure that you're choosing the best option for you.
There are several ways you can make your HVAC system more energy-efficient:
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