Troy Koski and his wife Rhonda are long time residents of the Tri-City area. Rhonda has been in the Prescott area for more than 35 years and Troy has been here since 1982. They were married in 1987, have 2 children and now live in Chino Valley. TDK Comfort Systems, Inc. was formed in 2000 from their home and later was located in a shop on their property in Chino Valley. They now have a thriving business on Highway 89 in Chino Valley. Their business has grown from just the two of them to more than 30 full time co-workers. They attribute their growth to faith in God, determination and the attraction of key personnel. They have a diverse mix of Residential, Commercial and Industrial type work which enables them to provide a vast array of experience for any project. There is a full sheet metal shop and service department for any type of heating or cooling related project. TDK Comfort Systems specializes in radiant floor heating for both new construction, as well as retrofit. Our Mission is to provide the Tri-City area with a quality heating and cooling company who does everything possible to make our customers more comfortable in their home or work environment. Our slogan is “We’re not comfortable until you are!”