People often mispronounce our company name. 'Trzos' rhymes with 'Pros'.
Otto A Trzos, the Heating Cooling Pros!
Serving Oakland County Residents Since 1945.
Welcome to Otto A. Trzos Company. We are a third generation family owned and operated business proudly located in Keego Harbor serving southeastern Michigan since 1945. Otto founded the company and worked tirelessly until his passing in 1995. His son and daughter-in-law, Phil & Joyce, now run the operations along with their daughter, Susan. Our family and extended family of dedicated technicians and installers are ready to assist you.
 
We service and install furnaces, air conditioners, boilers, humidifiers and air filtration, radiant in floor heat, Wi-Fi thermostats and more.
 
But don’t just call us when there is a problem, we also offer Preventative Maintenance Agreements to keep your equipment running top notch year-round with a visit from one of our technicians 2x per year. Receive priority status, 10% of repairs, and other discounts by joining this program today!
 
Looking to upgrade or replace your system? Call us for a FREE in-home estimate on any new equipment purchase. We carry a variety of leading brands and will make sure you get the selection of equipment suited for your home.