Black-Haak is the number one boiler system company in Appleton, WI. Whether you need a boiler repair or a new boiler installed our team of experienced technicians will have you sorted before you know it. We’ve been looking after the Appleton community since 1956 and are proud to have built a reputation based on honesty and integrity.

When it comes to boiler systems, we have Appleton covered. Whether you’re up by Plamann Park, on the banks of the Fox River, down by Lake Winnebago, or out by the Appleton International airport, our team is ready and able to attend to all your boiler system needs.

Contact Us For Top-Rated Leak Boiler Services!