Meet the team

Find out more about our talented and enthusiastic staff

Jeremy Hartz

President and Founder

Jeremy has been in the construction trades since high school, He has a Washington State Residential and Commercial Journeyman Electricians License, Universal EPA Certification, NATE Certification, Arizona Heat Pump Council Master Certification, Spokane County natural gas, fuel oil, resistive heat, and air conditioning licenses, and is the Qualifying Party for Prestige Mechanical with the Arizona Registrar of Contractors.

Chelsea Leonard

Office Manager

Chelsea has a long history of excellent customer service and has been managing offices for over 6 years. She came to Prestige Mechanical in 2019 from the multi-family apartment industry. Previously Chelsea had worked in Account Management, and customer service. Chelsea is an Arizona native, and knows the Phoenix area well, she can efficiently dispatch your service requests. If you call our office, it's likely Chelsea will be the one answering the phone!

Samuel Bonsall

Marketing Director and Comfort Specialist

Samuel has many years as a Comfort Specialist having worked in Portland, OR, Tucson, AZ, and Phoenix, AZ for various Air Conditioning Companies. Samuel understands building science, and can help you select the best options for your home comfort. Samuel is also well versed in financing, and can help sort thru the various options. Samuel also has a knack for marketing and if your seeing one of our adds it's likely Samuel had something to do with it!

Kerwin St Rose

Service Technician

Kerwin is a extremely talented service technician. Kerwin has a long history of timely service, is very methodical and genuinely cares about our customers, and the services he's performing! He is very careful in his diagnoses, and repair of HVAC equipment. Kerwin is very polite, customers love him and so will you!

Joseph Flores

Service Technician

Joseph moved here from California where he spent the last few years primarilly installing, servicing, and maintaining wine room cooling equipment in high end homes.

Justin Rolfson

Service Technician

Justin is our commercial service technician. He has years of experience in both residential and commercial. He is adept in diagnoses and repair and is very efficient.