Find a Local HVAC Company in Westland, MI

Contact Onnit Heating and Cooling today

Thank you for visiting the website of Onnit Heating and Cooling LLC. Our local HVAC company is proud to offer excellent HVAC repair, replacement, and maintenance services for homeowners in Westland, MI.

Please use the form on this page to email us. You can also call us at 734-722-5761 to discuss your HVAC troubles.

Contact Us Now

  • Onnit Heating and Cooling LLC

    Westland, MI 48186


    Call Us
    Phone: (734) 722-5761

    Mon: 9:00AM-4:30PM
    Tue: 9:00AM-4:30PM
    Wed: 9:00AM-4:30PM
    Thu: 9:00AM-4:30PM
    Fri: 9:00AM-4:30PM
    Sat: 10:00AM-2:00PM
    Sun: Closed