10 Best HVAC Companies in Harwood Heights, IL

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Last Updated: February 25, 2025

On average, 55% of energy use in American homes goes toward heating and cooling, according to the Department of Energy. You don't want to spend more than you need to on temperature control in your Harwood Heights home, so it's critical that all systems are functioning properly.

Our list of Harwood Heights' top HVAC companies can help you save money by getting your HVAC system repaired, installed or replaced by the right person for the right price.

Top 10 Best HVAC Companies in Harwood Heights

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AA Service Co Heating, Cooling & Plumbing

AA Service Co Heating, Cooling & Plumbing Logo

Our Rating

User Rating

346 Huehl Rd, Northbrook, IL 60062 (847) 579-9963 aaserviceco.com

Informative resources

Clear pricing policy

Prompt service delivery

Reliable customer support

Free quotes

Services Offered

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

Browns Heating & Cooling

Browns Heating & Cooling Logo

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User Rating

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

Clear pricing policy

Informative resources

Free quotes

Services Offered

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

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

Clear pricing policy

Prompt service delivery

Informative resources

Reliable customer support

Free quote

Services Offered

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

Effective Air, Inc.

Effective Air, Inc. Logo

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2033 Johns Ct, Glenview, IL 60025 (847) 729-1820 effectiveair.com

Free quotes

Clear pricing policy

Informative resources

Reliable customer support

Services Offered

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

Midwest Comfort Heating & Cooling LLC

Midwest Comfort Heating & Cooling LLC Logo

Our Rating

User Rating

1022 W Devon Ave, Elk Grove Village, IL 60007 (847) 338-2777 midwestcomfort.net

Clear pricing policy

Reliable customer support

Informative resources

Free quotes

Services Offered

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

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

Informative resources

Free quotes

Reliable customer support

Clear pricing policy

Services Offered

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

King Heating, Cooling & Plumbing

King Heating, Cooling & Plumbing Logo

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User Rating

6310 Lincoln Ave, Morton Grove, IL 60053 (224) 470-1799 kingheating.com

Free quotes

Reliable customer support

Clear pricing policy

Informative resources

Services Offered

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

Air Blue Heating and Cooling

Air Blue Heating and Cooling Logo

Our Rating

User Rating

513 N Wolf Rd, Wheeling, IL 60090 (847) 260-8648 airblueinc.com

Prompt service delivery

Reliable customer support

Free quotes

Clear pricing policy

Informative resources

Services Offered

Indoor air quality
Ac repair
Ductless
Smart home integration
Ac installation
Boiler installation
Ventilation
Furnace installation
Duct cleaning
Maintenance
Emergency services

Hero Air

Hero Air Logo

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User Rating

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

Clear pricing policy

Reliable customer support

Informative resources

Free quotes

Services Offered

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

Carlson Heating, Cooling & Electric

Carlson Heating, Cooling & Electric Logo

Our Rating

User Rating

3340 W Lake Ave, Glenview, IL 60026 (847) 379-1609 callcarlson.com

Reliable customer support

Free quote

Informative resources

Clear pricing policy

Services Offered

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

A malfunctioning or aging HVAC system probably needs attention from a professional who can make repairs or install a new unit. Watch out for these common signs that your HVAC needs service:

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

If you notice any of these HVAC issues, have a technician inspect your system. A local professional can diagnose problems and determine whether repairing or getting a new HVAC unit is the best solution.

Cost of HVAC Installation and Maintenance in Harwood Heights

HVAC installation or maintenance costs change depending on your system. Common HVAC unit varieties include the following:

  • Split or mini-split: If your home doesn't have the right ductwork for central air or heating, you likely have a split HVAC system. Split or mini-split systems consist of interior units that regulate the temperature in individual rooms, and that are all connected to an outdoor unit.
  • Hybrid split: A hybrid split HVAC system functions in the same way as a normal split system, but has the benefit of being able to draw power from either gas or electric sources.
  • Heat pump: Heat pumps transfer warm and cold air between your home and outside. They don't make their own heat or AC, so they perform best in moderate climates.
  • Packaged heating and air: Packaged HVAC systems are a great choice for smaller houses. They have a single heating and cooling unit, normally in a basement or attic. This unit is often space-saving, cost-effective, and easy to maintain.

HVAC maintenance prices differ depending on what services are needed. HVAC systems are complex and may require different kinds of maintenance. Fees for some common services are as follows:

HVAC Unit TypeCost
Split$1,960-$4,995
Hybrid Split$3,971-$7,315
Heat Pump$3,074-$31,328
Packaged Heating and Air$257-$429

Ways to Save Money on HVAC Costs

Taking care of necessary HVAC repairs and replacements when needed is crucial, but can be costly. Fortunately, there are steps you can take to minimize wear and tear over time on your system.

  • Change filters regularly. Air flows best through your HVAC system when you change out or clean the filters every 30–90 days. Also avoid letting debris pile up on the external sections of your HVAC.
  • Change the position of your blinds seasonally. Leaving your blinds open during the winter helps warm your home with passive solar heating. Closing the blinds in warmer seasons helps prevent the same heat from getting inside. Doing both helps reduce the demand on your HVAC.
  • Keep your system clean. Cleaning your grills, ductwork, condenser fan blades, and indoor evaporator coil regularly helps your HVAC system work efficiently and reduces the risk of mold growth. The National Air Duct Cleaners Association recommends cleaning your HVAC system when it begins to look dirty.
  • Monitor for potential problems. Monitor your system for issues, for example by routinely checking your thermostat and energy bills. This helps you address problems before they get too expensive.
ServiceCost
Filter Replacement$64-$172
Condensor Cleaning$1,286-$3,859
Thermostat Repair$86-$214
Ductwork Cleaning$412-$1,029

How To Choose a Local HVAC Company

It's important to know what makes a good HVAC company. 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 for your home.

Compare Multiple Bids

Request estimates from at least three HVAC providers. Describe your issues and ask if specialists can inspect your system in person. Review each company's diagnoses, recommended solutions, estimated cost, timelines, and warranties. 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. In all states, HVAC contractors have federal requirements set by the Environmental Protection Agency (EPA). To obtain the EPA Section 608 Technician Certification, contractors must pass an exam (the specific exam depends on the 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 by the state.

The state of Illinois doesn't have state-level licensing requirements for contractors. However, there may be local regulations, so make sure to check with your municipal government to verify that your contractor meets all the requirements. You can verify an Illinois business license on the Secretary of State's website. Checking reviews on the Better Business Bureau (BBB), Yelp, Google Reviews, and similar sites can aid your decision as well. Choose a company with stellar reviews and reports of positive experiences from customers.

Understand Work Details

Always make sure you know the details of a planned project. When HVAC repairs are required, your provider should detail which parts need replacement and why. Confirm that your technician will clean and test your system after repairs are done to ensure that it’s working properly. For replacement, ask your contractor to explain the new HVAC system model, features, energy efficiency, brand, and estimated installation time. Before signing a contract, you should understand the process your provider will use to properly size the system for your home and the price you'll pay.

Compare Warranties

A reputable HVAC company will stand behind its repair services and equipment installations with a warranty. The longer and more comprehensive the warranty coverage, the better. Carefully compare the fine print between contractors and choose the provider that offers the most protection within your budget.

Get Quote in Writing

Get a written estimate before HVAC work starts. A full quote includes both labor and material costs. Make sure you understand and accept all terms before signing the contract.

Frequently Asked Questions About HVAC in Harwood Heights, IL

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

The best times of the year to have an HVAC inspection are during the spring and fall. Technicians tend to be less busy during these times, which makes it easier to get an appointment. This also ensures that your system is ready for the summer and winter, the times of the year when it 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 possible, and avoid making drastic changes — adjust it only a few degrees at once. You might also consider purchasing a smart thermostat.

It takes around one to three days to have an HVAC system installed or replaced. If you need just an air conditioning unit or a furnace, this may take between half a day and two days. This timeline will be determined by the size of your home, how easily accessible your system is, and any new issues your technician discovers.

For a 2,000-square-foot home, you should look for around 2.5 to 5 tons of air conditioning capacity. If your home is larger than 1,000 square feet, central air will 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 through a third-party lender, or you might be able to obtain your own loan. It's smart to discuss payment options with your HVAC company and a financial advisor to make sure that you're choosing the best option for you.

There are a number of ways you can make your HVAC system more energy-efficient:

  • Keep ductwork clean, and clean or change your air filters regularly.
  • Have regular inspections to take care of issues as they come up.
  • Make sure your doors and windows are well-sealed and keep your attic well-ventilated.
  • Install a smart thermostat. If you aren't able to purchase one, try to keep the temperature indoors as close to the outside temperature as you can.
  • When it comes time to replace any part of your system, see if there are Energy Star-certified or similar environmentally friendly options.

Other Harwood Heights, IL Home Services

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