All of our 340+ employees live our vision of unmatched service and leading at every level.
Along with their dedication to heating and air conditioning, our employees have a sense of involvement, family, and caring for our company. They’re moms and dads, Boy and Girl Scout leaders, Little League coaches and huge contributors to our communities.
We currently have more than 100 North American Technician Excellence (NATE) Certified Technicians with over 525 specialties — that’s more than any other company in the country.
In addition to NATE certification, our Isaac Home Energy Performance inspector/energy consultants are certified by the Building Performance Institute (BPI), a leading, nationally recognized training, education, and accreditation organization.
Every member of our management team has a wealth of experience, most of which was gained right here at Isaac!
Ray Isaac, President
Ray is one of four brothers who make up the third generation of this family business. Ray is a proud winner of the Rochester Small Business Person of the Year in 2012.
Eric Knaak, VP & General Manager
Eric has been with Isaac for over 20 years, and previously served as a proud member of the U.S. Marines.
Joe Kruger, VP of Sales & Marketing
Joe began as a sales representative with Isaac over 30 years ago and heads up a team who regularly wins Top 10 recognition in the nation for our Rheem sales and service.
Lee Spencer, VP of Finance
After starting with Isaac as a bookkeeper/controller in 1980, Lee is now responsible for our company’s financial management.
Kevin Traut, Director of Education and Training
Kevin brings many years of heating and air conditioning education experience to Isaac as a NATE-Certified instructor.
Jeremy Noll, Service Manager
Jeremy grew from a service tech/writer to assistant manager to manager of our Avon office. Today, he leads the Residential and Commercial Service Departments.
Joyce Kelliher, Customer Relations Manager
Joyce started at Isaac in 1986 as a residential service writer and has held several positions, including contracts coordinator. She is also a member of the Residential Service Leadership Team.
Domenic DeLeo, Residential Install and Home Energy Performance Manager
Domenic started at Isaac in 1996 as a residential service technician and has held several positions, including residential installation mechanic and supervisor. He helped establish the Isaac Home Energy Performance Division, an award-winning team of more than 20 in all of our locations. He recently was promoted to help manage our installation team.