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Green Bay's Go-To HVAC Company
Contact our licensed HVAC specialists today for a free estimate!

Local Business, Big Impact

Trusted Green Bay HVAC Company

The focus of Nicolet Heating & Cooling has always been to deliver the highest quality Green Bay HVAC services at the most reasonable prices. As a locally owned and operated full-service HVAC contractor in Green Bay, we understand the needs of homeowners and the importance of reliability from your heating system. In addition, our staff is excited to share environmentally-friendly heating and cooling solutions, which will also save homeowners money on future utility bills. Call 920-786-2322 for a free price quote for any HVAC services from the most dependable, trustworthy, and innovative HVAC company in Green Bay.

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Trusted Brands

Look to Nicolet Heating & Cooling for top-of-the-line energy appliances, including:

Your Local HVAC Experts

When you want the best HVAC services in Brown County, Nicolet Heating & Cooling is the only name you need to know. Our locally owned and operated full-service Green Bay HVAC company has been delivering the highest level of service at reasonable prices since 2005. So call us today for a free price estimate on any services and know that we stand behind our parts and labor warranties and 100% customer satisfaction guarantee.

We proudly serve the following cities and surrounding communities:

We Are Proud To Provide Quality HVAC Services

There are many reasons that your home’s AC might not be living up to your expectations, from blowing only slightly cool air to making an awful racket. Fortunately, with a single call to 920-786-2322, you can put any concerns and issues behind you. The Nicolet Heating & Cooling experts will quickly locate any problems and provide you with cost-effective and dependable solutions for any AC concerns. And if the issue is the age of your home’s air conditioner, we are happy to provide a free price estimate for a fully warrantied AC replacement.

Living with no functional heating system is not an option in Green Bay. And the professionals at Nicolet Heating & Cooling are here to ensure that you never need to face a cold day or night without heat in your home. Our staff arrives for every appointment to locate the problem with your furnace and provide it with fast and reasonably priced solutions. And if the unit is past its prime, we will include a price estimate for a replacement to ensure that you are making the most cost-effective choice for a long–term solution to your heating needs.

At Nicolet Heating & Cooling, we not only know the science and technology behind boiler heat, we also know how to expertly install and maintain boilers for new construction or as replacements in an existing structure. We proudly stock the industry’s most efficient and highly recommended heating systems, and we service them after the sale. So whether you need installation for a small home or an entire office building, our highly trained and experienced contractors will provide speedy, high quality service you can depend on in the Green Bay area. Call us at 920-786-2322 today!

There is a lot depending on your commercial HVAC system, from your employee’s and tenants’ comfort to the safety of valuable inventory, machinery, and technology. So when you call 920-786-2322 for assistance with professional Green Bay HVAC service, maintenance, or troubleshooting, our pros respond quickly to deliver the services and information you need at a price that works in even the most challenging operations budgets.

It can be easy to forget that even a smoothly running HVAC system needs regular service and maintenance to operate effectively and efficiently. At Nicolet Heating & Cooling, our goal is to remove the stress of maintaining your HVAC equipment. Our maintenance programs cover all the services your equipment needs to extend its longevity, dependability, and value. Call 920-786-2322 for a free price estimate for an HVAC maintenance plan and leave the cleaning and care to us.

Green Bay homeowners looking for an environmentally friendly and financially affordable source of renewable heating and cooling will be very excited to learn about geothermal options. Our Bosch Geothermal installers are licensed to install geothermal energy systems that provide heating, cooling, and even hot water for your home. This system uses the virtually constant temperature of the earth to deliver very affordable heating and cooling for your home. Call us at 920-786-2322 to learn more.


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4.5 Rating


5.0 Rating