Doing What's Best for the Customer Since 1929

  • Kotz Heating, Cooling, and Plumbing has been a leader in the heating and air conditioning comfort industry since 1929, providing comfort with confidence to our loyal family of customers in Oakland County, Michigan and the surrounding areas.
  • Our goal is to ensure your experience with Kotz is enjoyable from the first contact through to the final payment for services received. We never take your overall satisfaction for granted. We are here for you. Delivering Comfort You Can Count On 7 days a week, 365 days per year.

Get our latest tips and promotions:

Why choose us?

The Right Company

  • No Surprises – All Pricing Up Front
  • Fully Licensed, Bonded & Insured
  • Trained Professional Staff
  • Committed to Excellence
  • Committed to Community

The Right Products & Services

  • Money Saving Planned Maintenance Program
  • Quality Home Comfort
  • 24 – Hour Emergency Service
  • Financing Options

The Right Team

  • Rigorous Employment Prescreening
  • Safety First Motto
  • Prompt, Courteous and Respectful
  • Specialized Technicians – NATE/NCI Certified
  • Ongoing Education and Training

Kotz Heating, Cooling and Plumbing









Office Hours

8:00 a.m. – 5:00 p.m. Monday – Friday

Schedule an Appointment

    This is only your requested time. The Kotz team will be in contact shortly to schedule your official appointment time.

    Latest news and tips...

    Does Water Softener Lower TDS?

    Does Water Softener Lower TDS?

    Don’t you just hate water spotting on your drinking glasses when you take them out of the dishwasher? Especially when…
    COVID-19 Brings Indoor Air Quality Monitoring Upfront

    COVID-19 Brings Indoor Air Quality Monitoring Upfront

    As the country begins to emerge from the cloud of the COVID-19 pandemic, one of the challenges is to provide…
    What Should I Do If My Toilet Is Not Flushing?

    What Should I Do If My Toilet Is Not Flushing?

    One of the big mysteries in life is why a toilet won’t flush. Because when it happens the response from…