Experienced Plumbing & Heating Professionals
Offering 24/7 Emergency Services 262.314.4566

Plumbing, Heating & Cooling in East Troy

Delivering Superior HVAC & Plumbing Services to Waukesha County

When you’re stuck with a toilet that won’t flush, a heater that won’t run, or water that’s not up to par with your quality standards, it’s best to contact a local plumbing and HVAC professional to service your needs promptly and effectively. Call O'Leary Plumbing & Heating, Inc. to get things running back to normal in your home or business—with prominent improvements!

The desire to remove the plumbing and HVAC headaches of our local community has transcended across three generations. Our family owned and operated business has proudly provided outstanding plumbing, heating and cooling services in Waukesha County, Walworth County, and Racine County for nearly 60 years. You can count on our licensed and certified technicians to get the job done right the first time, on time.


  • Delta
  • Toto
  • American Standard
  • iWave
  • Honeywell
  • Moen
  • Mansfield
  • Koehler
  • NTI Boilers
  • Bradford White
  • York
  • Wisconson
  • abc
  • lakeland
  • metro
  • geothermal
  • east-troy
  • mukwonago
  • igshpa

Your Comfort Is Our Top Priority

Proudly Serving the Walworth County Since 1958

What’s essential to you is essential to us. Your comfort is our top priority when you enlist our services. Our experience is second-to-none in delivering the best-tailored solutions you need for your residential or commercial property in Elkhorn, Mukwonago, Burlington, or East Troy. Whether you need new HVAC equipment, plumbing repairs or water quality testing, or are interested in radiant heating and cooling systems, O'Leary Plumbing & Heating, Inc. has you covered. Because we want to make sure that you’re confident in the plumbing and HVAC solutions we recommend to you, we provide installation estimates free of charge. We’re also available 24/7 in case you have any after-hour emergencies.

Award Winning Family Business

Staying well-equipped to utilize the latest technologies for the purpose of servicing your needs, our highly trained technicians receive continuous education year after year to provide you with the most up-to-date plumbing and HVAC solutions. It doesn’t take any effort on our part for customers to rave about our services once they see the work we’ve done. We let our workmanship speak for itself.

    Working With O'Leary Plumbing & Heating, Inc.
    • 24/7 Emergency Services Available

      Day or night, our friendly technicians and staff are here to provide top-tier heating, plumbing, or cooling solutions.

    • Backed by Nearly 60 Years of Experience

      Our seasoned technicians have the skills, experience, and follow-through to complete even the most complex repairs.

    • Family Owned & Operated

      For three generations, our family owned and operated company has been serving East Troy & the surrounding areas.

    • Licensed, Bonded & Insured

      Don't gamble with your property. Trust our licensed, bonded and insured technicians to take care of your home.

    Ready to Get Started?

    Regardless of the size or scope of your HVAC concern, our talented team of professionals are here to provide you and your family with the best possible care and service. Our family-owned and operated company is always happy to answer any questions or concerns you may have.
    O'Leary Plumbing & Heating, Inc.

    2720 Buell Drive
    East Troy, WI 53120

    Phone: (262) 314-4566

    Regular Hours
    • Monday - Thursday 7:00am - 4:30pm
    • Friday 7:00am - 4:00pm
    Service Area:

    East Troy and surrounding areas.

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