Commercial Services

Harker Heating and Cooling Inc. has the experience to handle all your HVAC projects big and small.

Your Proven HVAC Contractor

Satisfied Customers

Projects to Date

Labor Hours to Date

About Harker

As the customer, Harker Heating puts your project needs and concerns first. We are here to serve you! Learn more about why you should choose Harker!
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Our Services

Dealing with an HVAC emergency? We invite you to review our service to learn more about our HVAC options or visit our showroom to see our vast heating and cooling solutions for yourself.
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Service Areas

Harker Heating and Cooling Inc. has been servicing the Madison area for over 65 years. We are grateful to have expanded our services throughout the entire Dane County Area.
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Commercial Services


Preventative maintenance is must to get the life expectancy and performance out of your HVAC equipment. We provide all ranges of commercial and residential preventative maintenance services.


When equipment breaks down and repairs are needed we are here to help. Our service department is available 24/7 365 days a year.


When your equipment has reached its life expectancy call us for your next replacement quote. No project is too difficult.


Harker Heating & Cooling Inc. knows that not every commercial HVAC project starts from scratch. Whether it be adding an air conditioner to a server room or gutting and remodeling an entire 10-story apartment building, Harker has done it before.

New Construction

Let Harker Heating & Cooling Inc. take care of the HVAC for your new building, no matter how big or small. Harker’s portfolio shines with a wide range of system sizes and types that will ensure the proper fit for your project.

Project Portfolio

Check Out Our Commercial HVAC Work

View details about our past projects including healthcare, multi family, and hospitality buildings.

Commercial HVAC Work

Save $399 or more on a new air conditioner!