Black-Haak Heating

Black-Haak Heating serves Greenville, Wisconsin as a heating contractor with a 4.9-star average rating drawn from 7,769 customer reviews. The company maintains weekday availability from 7 AM to 6 PM, with Saturday and Sunday hours from 7 AM to noon for emergency calls. Homeowners throughout the Greenville area can reach the office at (920) 757-9990 during posted business hours. This volume of feedback places the contractor among the most-reviewed heating specialists in the region, offering prospective clients a substantial track record to evaluate.

The website was unavailable at the time of this review, limiting direct verification of brand partnerships, certifications, or specialized services. Without documented partnerships or specialty offerings from company materials, this section cannot detail specific competitive differentiators. Prospective clients are encouraged to contact the office directly to inquire about equipment brands, service guarantees, or rebate eligibility programs.

Customer reviews name specific technicians who handled distinct service scenarios. Sandra Sanchez described Jonathan arriving the next morning to diagnose a bathroom fan and light issue, explaining the problem and completing the work promptly. Lynn credited John Burkhart Jr with same-day plumbing repairs after taking time to explain options. In contrast, Matt Schmeichel documented a 2026 service call where a technician allegedly left a rubber gasket out during previous gas valve or cleaning work, resulting in furnace ignition problems, and reported that the receptionist quoted a $99 service fee to address the oversight, declining warranty coverage. These varied experiences illustrate the range of outcomes homeowners may encounter.