We are a professional, full-service HVAC company serving residents of Wisconsin. Our highly trained technicians can repair, maintain, or replace any heating or cooling equipment you’re currently utilizing. We also install new systems and can recommend optimal energy efficiency practices and products. Our goal is to ensure all our customers enjoy comfortable indoor air throughout the year while providing fair, honest, and expert service. No job is too big or too small for us to handle, and we will be at your door as soon as possible to get your situation remedied. Call Black-Haak today to learn more about our heating and cooling services.

    At Black-Haak, we proudly offering the following services:

    • Heating and Cooling System Repair
    • Replacement Parts
    • Planned Maintenance Agreements
    • Financing with Approved Credit
    • Residential and Commercial Services
    • Indoor Air Quality
    • Environmental Assessment
    • Hybrid Heat
    • 24-hour Emergency Services
    • Duct Free Systems
    • New System Installation