10 Best HVAC Companies in Gary, IN

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Last Updated: February 25, 2025

According to the Department of Energy, about 55% of energy use in American homes goes toward heating and cooling. You don't want to spend more than you need to on heating and cooling your Gary home, so it's important to make sure all systems are functioning properly.

Our list of Gary's top HVAC companies can help you save money by getting your HVAC system installed, repaired or replaced for a fair price by a skilled worker.

Top 10 Best HVAC Companies in Gary

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Comfort Zone Service

Comfort Zone Service Logo

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User Rating

9910 190th St Suite K, Mokena, IL 60448 (708) 390-7349 comfortzoneservice.com

Informative resources

Reliable customer support

Prompt service delivery

Clear pricing policy

Free quotes

Services Offered

Ac installation
Filtration
Boiler installation
Ac repair
Ductless
Emergency services
Indoor air quality
Furnace installation
Furnace repair
Inspection
Boiler repair
Ventilation
Maintenance

Struven Heating and cooling

Struven Heating and cooling Logo

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User Rating

1843 W 99th Ave, Crown Point, IN 46307 (219) 300-5141 struvenheating.com

Informative resources

Clear pricing policy

Reliable customer support

Services Offered

Ductless
Ac installation
Zoning systems
Emergency services
Furnace repair
Ac repair
Boiler installation
Filtration
Furnace installation
Maintenance
Ventilation
Indoor air quality

Browns Heating & Cooling

Browns Heating & Cooling Logo

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1 E Erie St, Chicago, IL 60611 (708) 536-8134 brownshvac.net

Free quotes

Clear pricing policy

Informative resources

Services Offered

Inspection
Ac repair
Duct cleaning
Indoor air quality
Boiler repair
Ductless
Filtration
Boiler installation
Emergency services
Ac installation
Maintenance
Furnace installation
Furnace repair

Eco Temp HVAC

Eco Temp HVAC Logo

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User Rating

1210 S Indiana Ave APT 4611, Chicago, IL 60605 (224) 253-8131 ecotemphvac.com

Reliable customer support

Informative resources

Free quotes

Clear pricing policy

Services Offered

Duct cleaning
Ac installation
Furnace repair
Maintenance
Furnace installation
Ac repair
Ductless
Boiler repair
Radiant heating
Indoor air quality
Boiler installation
Inspection

All Temp Heating & Air Conditioning

All Temp Heating & Air Conditioning Logo

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User Rating

4363 W Montrose Ave, Chicago, IL 60641 (866) 693-2009 alltemp.com

Informative resources

Clear pricing policy

Free quote

Reliable customer support

Prompt service delivery

Services Offered

Duct cleaning
Indoor air quality
Furnace installation
Boiler installation
Maintenance
Emergency services
Ductless
Furnace repair
Ventilation
Ac repair
Ac installation
Filtration

Precision Today Plumbing Heating Cooling Electrical (Dykstra Home Services)

Precision Today Plumbing Heating Cooling Electrical (Dykstra Home Services) Logo

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User Rating

13450 S Cicero Ave, Crestwood, IL 60418 (708) 954-0629 precisiontoday.com

Free quotes

Prompt service delivery

Reliable customer support

Clear pricing policy

Informative resources

Services Offered

Furnace installation
Maintenance
Boiler installation
Ductless
Indoor air quality
Furnace repair
Boiler repair
Filtration
Duct cleaning
Ac installation
Ac repair
Inspection

King Heating, Cooling & Plumbing

King Heating, Cooling & Plumbing Logo

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User Rating

101 Ontario St, Frankfort, IL 60423 (815) 781-2710 kingheating.com

Informative resources

Reliable customer support

Clear pricing policy

Free quotes

Services Offered

Furnace installation
Furnace repair
Emergency services
Boiler repair
Duct cleaning
Maintenance
Ac installation
Inspection
Ac repair
Filtration
Boiler installation

Polar Heating & AC

Polar Heating & AC Logo

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User Rating

13801 SW Hwy, Orland Park, IL 60462 (708) 260-8855 polarheatingandair.com

Clear pricing policy

Reliable customer support

Informative resources

Free quotes

Services Offered

Boiler repair
Duct cleaning
Inspection
Boiler installation
Ac repair
Maintenance
Radiant heating
Ductless
Indoor air quality
Ac installation
Emergency services
Furnace repair
Furnace installation

Custom Seasons Heating & Cooling

Custom Seasons Heating & Cooling Logo

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User Rating

159th Street, S Cedar Rd and, Homer Glen, IL 60491 (708) 203-4895 customseasons.com

Free quotes

Reliable customer support

Clear pricing policy

Informative resources

Services Offered

Furnace installation
Emergency services
Ac installation
Boiler installation
Filtration
Indoor air quality
Maintenance
Inspection
Radiant heating
Ventilation
Ductless
Ac repair

Hero Air

Hero Air Logo

Our Rating

User Rating

4427 N Moody Ave, Chicago, IL 60630 (773) 572-7271 myheroair.com

Informative resources

Clear pricing policy

Free quotes

Reliable customer support

Services Offered

Ductless
Indoor air quality
Ac installation
Ac repair
Boiler installation
Filtration
Radiant heating
Furnace repair
Furnace installation
Ventilation
Inspection
Maintenance
Today's Homeowner Ranking Methodology

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:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

Signs You May Need HVAC Repair or Replacement

If your home's HVAC system is malfunctioning or suffering from a lot of wear and tear, you might need an HVAC contractor for repairs or replacement. Look for these common indicators that your system requires expert attention:

  • Frequent breakdowns and need for repairs
  • Higher than normal energy bills
  • Odd noises when the system turns on
  • Uneven heating/cooling or poor air circulation
  • Rust, corrosion, or cracking
  • Thermostat malfunctions or temperature control issues
  • Refrigerant leaks
  • An HVAC system that's over 15 years old

Arrange an inspection if you notice any of these problems. A local technician can evaluate your system, identify problems, and determine whether you need to fix or replace your HVAC.

Cost of HVAC Installation and Maintenance in Gary

Your HVAC installation or maintenance cost changes depending on the type of unit. Common HVAC unit varieties include the following:

  • Split or mini-split: Homes without ductwork for central heating and cooling often have split or mini-split HVAC systems. These systems consist of interior units in each room to regulate temperature, which all connect to an outdoor unit.
  • Hybrid split: A hybrid split HVAC system works almost the same as a standard split system. It has the advantage of having the capability to use either electricity or gas for power.
  • Heat pump: Heat pumps transfer warm and cool air between your home and outside. These systems don't make their own heat or AC, so they work more effectively in moderate climates.
  • Packaged heating and air: Packaged HVAC systems are a practical choice for smaller houses. These systems have a single heating and cooling unit, normally located in a basement or attic. They're space-saving, cost-effective, and easy to maintain.

HVAC maintenance costs vary depending on the particular service needed. HVAC systems are complicated and may require different maintenance services. Costs for some common services are as follows:

HVAC Unit TypeCost
Split$1,910-$4,869
Hybrid Split$3,870-$7,130
Heat Pump$2,997-$30,535
Packaged Heating and Air$251-$418

Ways to Save Money on HVAC Costs

It's important to fix or swap out your HVAC components when they become damaged, but it can also be expensive. Luckily, there are some steps you can take to slow the wear and tear on your HVAC.

  • Change filters regularly. Air flows through your HVAC system most effectively when you change out or clean the filters every 30–90 days. Also try not to let debris pile up on the external sections of your HVAC.
  • Monitor for potential problems. Keeping an eye out for problems, for instance by consistently checking your thermostat and energy bills, allows you to resolve them before they get too expensive.
  • Change the position of your blinds seasonally. Closing your blinds in the summer blocks some passive solar heat from getting indoors. Opening the blinds in the winter allows this same heat to help warm your home. Both of these measures help decrease the work required from your HVAC system.
  • Keep your system clean. Keeping your ductwork, condenser fan blades, grills, and indoor evaporator coil clean enables your HVAC system to function effectively and lowers your risk of mold. The National Air Duct Cleaners Association recommends cleaning your home's HVAC system when you notice things starting to get dirty.
ServiceCost
Filter Replacement$63-$167
Condensor Cleaning$1,254-$3,762
Thermostat Repair$84-$209
Ductwork Cleaning$401-$1,003

How To Choose a Local HVAC Company

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 keep your system running efficiently, providing you with effective heating and cooling in your home.

Compare Multiple Bids

Request estimates from at least three HVAC companies. Describe your issues and ask if specialists can inspect your system in person. Compare each contractor's diagnoses, recommended solutions, estimated cost, warranties, and timelines. Avoid contractors that pressure you or demand payment before work.

Check Credentials

Choose an HVAC company with skilled technicians who have proper licensing and experience. HVAC contractors in all states have federal requirements set by the Environmental Protection Agency (EPA). To obtain the EPA Section 608 Technician Certification, individuals must pass an exam (the specific exam depends on what kind of equipment they plan 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 at the state level.

There are no state-level licensing requirements for HVAC contractors in Indiana; however, most municipalities and cities have their own requirements. Make sure that you check with your local government and verify the business license of any company you hire. Always check a provider's reviews and complaints with organizations such as Google Reviews, the Better Business Bureau (BBB), and Yelp. Choose a company with positive reviews and a history of good customer service.

Understand Work Details

It’s important to know what the work process is going to look like. For HVAC repairs, the company should explain the particular parts that need replacement and why. Confirm that your technician will clean and test the full system afterward to guarantee everything is working correctly. When getting a replacement, ask the contractor to explain the new HVAC system model, brand, energy efficiency, estimated installation time, and features. Before signing a contract, you should understand how your provider will size the system appropriately for your home and the price you'll pay.

Compare Warranties

Reliable HVAC companies provide warranties for their services. Broader coverage is better, so make sure to compare warranties between providers. Choose the one that provides the most comprehensive coverage at a reasonable cost.

Get Quote in Writing

Get written quotes before starting HVAC work. The quote should cover costs for both materials and labor. Read all terms carefully before signing.

Frequently Asked Questions About HVAC in Gary, IN

Normally, your HVAC system should be inspected twice a year. After an inspection, your technician will tell you what, if any, services are needed. You should also have an inspection if you start to notice any issues, like strange noises, unusual smells, or leaks. If your home has ductwork, it should be serviced every few years.

The best times of the year to have your HVAC system inspected are during the spring and fall. Technicians are often less busy during these times, making it easier to get an appointment. This also ensures that your system is ready for the summer and winter, which is when it normally gets 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 you can, and avoid making drastic changes — adjust it only a few degrees at a time. You might also consider installing a smart thermostat.

Generally, whole-system HVAC installation or replacement takes between one and 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 parts of the system are, and whether your technician finds any problems.

For a 2,000-square-foot home, you'll want 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 an air conditioning unit with around 2.5 to 5 tons of capacity. In general, if your home is over 1,000 square feet, central air will be more effective than window air conditioning units.

Typically, 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 a financial advisor and your HVAC company to find out what options are available to you and appropriate for your situation.

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