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Superior East Troy Heating & Cooling 

Providing the Highest Level of Comfort All Year Round

Wisconsin climate gives us a fair share of everything. From warm spring days and extremely hot summers to cool fall weather and freezing temperatures in the winter. Relying on your HVAC all year round is no stranger to this part of town. That is why when you experience an unfortunate heating or cooling system failure, make sure to contact O'Leary Plumbing, Heating & Electrical! We are ready to tackle any of your HVAC needs day or night. Since 1958, we remain as one of the most trusted and recommended HVAC service companies in East Troy and the surrounding areas. Our experience is second to none in offering solutions for our customers. We even have emergency services 24/7 for heating and cooling needs that just can’t wait until the next business hours.


If you are in need of heating & cooling services in East Troy, call O'Leary Plumbing & Heating, Inc. at (262) 314-4566 to request a free estimate!


We are proud to serve our neighbors in:

Why Choose Us?

  • Licensed, Bonded & Insured

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

  • Family Owned & Operated

    Our family owned and operated company has been serving East Troy & the surrounding areas for three generations.

  • Backed by Over 60 Years of Experience

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

  • 24/7 Emergency Services Available

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

Knowledgeable in All Types of Heating & Cooling Equipment

At O'Leary Plumbing, Heating & Electrical, we take pride in our team of highly trained and certified technicians who can service almost all major heating and cooling equipment brands and models. In our dedication to being an industry leader, each of our employees receives continuing education to stay up-to-date on the latest advancements in HVAC technology.

Count on us for any of the following heating and cooling services in East Troy:

With over 65 years of experience, we have seen and conquered almost every heating and cooling issue there is. Trust your home’s comfort to us and we can assure you that you and your family will be completely satisfied not only with the quality of our work but with the competitiveness of our rates as well.

Why Leave HVAC Repair & Installation Services to the Professionals?

There are many projects that are great for homeowners to tackle themselves, but HVAC repairs and installations are not among them. While it may be tempting to try the do-it-yourself approach using guidance from an online article or video, the risk to your expensive equipment is too great to forego hiring a professional. 

Here's why you should leave your heating and cooling needs to our team of experts:

  • Safety: HVAC systems involve electrical components, refrigerants, and other potentially hazardous materials. Attempting to repair or install HVAC systems without proper knowledge and training can be dangerous and pose risks of electrocution, refrigerant leaks, or other accidents. O'Leary's qualified HVAC technicians are trained to handle these risks safely and take appropriate precautions to protect themselves and others.
  • Expertise: HVAC systems are complex and require specialized knowledge and expertise for proper repair and installation. Professional HVAC technicians are trained and certified in handling different types of HVAC systems, and they have the necessary skills and experience to diagnose and fix issues accurately. DIY attempts may result in misdiagnosis, improper repairs, or incorrect installations, leading to further problems and costly repairs down the line.
  • Cost-effectiveness: While DIY repairs may seem like a cost-effective option initially, they can actually end up costing more in the long run. Incorrect repairs or installations can lead to energy inefficiency, decreased system performance, and higher utility bills. Additionally, if warranties are voided due to improper repairs or installations, you may end up paying for costly replacement parts or a new system. Hiring professionals may seem more expensive upfront, but it can save you money in the long term by ensuring proper repairs and installations.
  • Time savings: HVAC repairs and installations can be time-consuming, especially if you lack experience and knowledge. DIY attempts may result in trial and error, leading to wasted time and effort. On the other hand, certified HVAC technicians can quickly diagnose issues, have the necessary tools and equipment, and can efficiently repair or install HVAC systems, saving you time and hassle.
  • Compliance with regulations: HVAC systems are subject to local building codes, regulations, and permits. Licensed heating and cooling technicians are familiar with these requirements and can ensure that your HVAC repairs or installations comply with the local codes. This can help you avoid fines, penalties, or legal issues that may arise from non-compliance.

Call (262) 314-4566 to schedule a free estimate on any East Troy heating and cooling services from O'Leary Plumbing, Heating & Electrical!

Focused On Delivering Superior Service Our Customer Reviews

  • “I am impressed with how quickly they get me in touch with the person who can help me!” - Karen O.
  • “I have used O'Leary for 20 years+ and never had an issue with their repairs or installs!” - David
  • “Couldn’t ask for better service!” - Laura
  • “Wayne is the best. 6 stars out of 5!” - Tom W.
  • “Can’t say enough about how happy I am with you all!” - Jason
  • “They did a great job and are very polite.” - Kevin
  • “Efficient and very pleasant.” - Tim
  • “Thanks to O’Leary Plumbing for being great people.” - John
Ready to Get Started?

Contact our team below or give us a call at 262-222-2763 today.

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