How To Start An HVAC Company In Illinois

How to Start An HVAC Business In Illinois

Here is some information on how to register and start an HVAC business in the state of Illinois.  HVAC services can include heating, ventilation, air conditioning, refrigeration, and more.  You may want to start here:  How To Start An HVAC Company.  Make sure you do your own thorough research, as laws change regularly.  Here are some steps you may have to take (not necessarily in order) to start your own HVAC company, along with links to more information.

Make sure you research the laws in your area before starting your HVAC business.
Getting started- The state of Illinois has a website about starting a business in Illinois here:  Illinois Business Startup Guide

-Register your business name.

You need to register your HVAC business name with your county clerk’s office.

If you need help selecting a name for your HVAC business:  HVAC Business Name Ideas

-Choose your business structure.

Decide what structure you want for your HVAC business– Sole-proprietor, LLC, Partnership, Corporation, etc.  Find out more here:  Illinois Business Startup Guide

-Register your HVAC business with Illinois.

You can register your business with the state of Illinois here: Illinois Business Registration

-Open a Business Account with your Bank.

You will need to open a separate checking account for your new HVAC company with your new business name.

-Find out about taxes and hire an accountant.

You may want to file your own taxes if you are a small company. As you grow, it will be easier to have an accountant do the work. More info about taxes here:

-Get Liability Insurance.

You will need liability insurance.  Be sure to check will multiple agents as prices and options vary.

-Register as a Contractor in Illinois.

See if you need to register as a licensed contractor here:

-Worker’s Compensation.

You will need Worker’s Compensation if you have any employees.

-Get Health Insurance.

Since you will be self-employed, you will need your own health insurance.  If you have employees, you will need a plan that will include their health needs to start an HVAC Company in Illinois

-See if you need a City License.

You may be required to obtain a license to operate an HVAC business in a particular locale, whether you are a resident, or not.

-Don’t forget about Permits.

You may need to apply for permits before commencing certain types of jobs, depending on your location.

-Building Code and Inspections.

You must be aware of building codes for your particular job, and may be subject to inspections.


Depending on how many employees you have, you may need to follow OSHA regulations.


Depending on your startup budget, you may need to apply for financing to help pay for equipment.

– Marketing.

To get your HVAC business going, you will need to either do your own marketing, or hire a marketing agency.