N967 Quality Drive
Greenville, WI 54942
920-750-7138

Local Reviews
for freedom, wi

Rated 5.0 out of 5 stars based on 2 customer reviews

Great service

We could not be more pleased with the service that Black-Haak provided. We needed our Furnace, AC, and generator serviced for regular maintenance. They coordinated the visit with two technicians at our convenience. They were respectful, efficient, and knowledgeable. Thanks.

  • Overall Experience
  • Quality
  • Price
  • Convenience

Great experience

Hunter was very professional and friendly.

  • Overall Experience
  • Quality
  • Price
  • Convenience

Job Locations
for freedom, wi

Corey J.

Corey J. Job Checkin

Installed generator


Hunter D.

Hunter D. Job Checkin

Performed the level 2 package cleaning. Furnace: Burners and flame sensor are clean. Heat exchanger looks good. Drain is clear. No CO detected in the air. Heat rise was 43°. Only thing I found was the excessive air was a little high. Not concerning at the moment. AC: No leaks detected. Electrical components tested good. Condenser coil is clean. Refrigerant pressures were normal. Subcool was 8° with a 17° temp split. All equipment is operating properly.


Hunter D.

Hunter D. Job Checkin

Performed the level 2 furnace cleaning. Burners and flame sensor are clean. Heat exchanger looks good. Combustion readings were normal. No CO detected in the air. High limit passed the safety test. Temp rise was 58°. Unit is heating properly.


Dan E.

Dan E. Job Checkin

Furnace clean and tune. Cycled system. Checked heat exchanger, found it very rusted and damaged. Several areas of deep rust and etching. Found igniter weak, but tested normal. Checked and cleaned burners and flame sensor. Found ventor noisy and bearings are worn. Found a large amount of water in burner compartment. Found transition assembly cracked. Also, rust found in blower compartment. Found no CO in airstream. Above average levels of XS air found in exhaust, indicating possible clogged secondary heat exchanger. Average life is this unit is 14 years. This system is very damaged and worn. Failure is expected. Due to age, condition, and cost to repair issues, second opinion is recommended. Checked aprilaire unit and found that the control is bad, not responding and now power out of control. Job complete.


Corey J.

Corey J. Job Checkin

Started wiring of whole home generator 9/26. Generator installation complete 10/3


Anthony N.

Anthony N. Job Checkin

Heating Service