Management Team

All of our 400+ employees live a 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 are moms and dads, Boy Scout and Girl Scout leaders, Little League coaches, and huge contributors to our communities.

We currently have more than 96 North American Technician Excellence (NATE) Certified Technicians with over 424 specialties — that’s more than any other company in the country.

In addition to our technicians' NATE certifications, our Isaac Healthy Home Assessment inspectors and energy consultants are certified by the Building Performance Institute (BPI), a leading, nationally recognized training, education, and accreditation organization.

 

Management Team

Every member of our management team has a wealth of experience, most of which was gained right here at Isaac!
 

Ray 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 and recently inducted into the Rochester Business Hall of Fame. Ray served in 2001-2011 as an ACCA National Board Member, in 2008 as ACCA National Chairman, in 2008-2011 as the NATE Chairman, in 2018-2019 Small Business Council President, and in 2018-2019 Heritage Christian Services Foundation Chair. Ray is the current Rochester Rotary VP and a Board Member. He is also a current St. John Fisher College Deans Advisory Council Member. Ray was also a past PAHRA Board Member, a BBB of Upstate NY Board Member from 2007-2013, and a VISTAGE Leadership Award Winner.

Eric Knaak
Eric Knaak

Executive VP & General Manager

Eric has been with Isaac for 31 years, and previously served as a proud member of the U.S. Marines. 
His first position with the company was as a new home construction installer. Eric recently served as Chairman for Air Conditioning Contractors of America (ACCA) and is currently serving on their Board of Directors. He has been a member of the advisory board for Monroe Community College Applied Technology Center since 2008, as well as a board member for Veterans Outreach Center since 2015. Eric was a judge for the Rochester Business Ethics Foundation annual awards in 2016-2019, and was a site judge for the Greater Rochester Quality Council annual awards in 2015-2018. He also sits on the ACCA Diversity, Equity and Inclusion Task Force and the ACCA/ASHRAE Pandemic Task Force 2020.

Adam Loehr
Adam Loehr

Vice President & Chief Financial Officer

Adam has been with Isaac for more than seven years. He started his career as the Assistant Vice President of Finance. Adam is an Mansfield University Alumni Association Board Member and Treasurer, as well as a Greater Rochester Quality Council Board Member. He is also a Financial Executives International Rochester Chapter Member and CFO Alliance Member. Adam lives with his family in Pittsford, NY.
Elizabeth H. Verschage, MS-HRM, SPHR
Elizabeth H. Verschage, MS-HRM, SPHR

Vice President of Human Resources

Elizabeth has been with Isaac for six years and started her career here as the HR Manager. She is a proud supporter of CURE Childhood Cancer Association, a member of the Chamber of Commerce HR Executive Forum, and a member of the ROC2025 Talent Strategy Committee. Elizabeth recently was named the 2020 NHRA Small Business HR Executive of the Year. She lives in Victor, NY.
Jeremy Noll
Jeremy Noll

Vice President of Service

Jeremy started with Isaac 18 years ago as a Residential Service Technician. He later had roles in the development and growth of our branch locations. Today, he leads the Residential and Commercial Service Departments. Jeremy is currently affiliated with the Air Conditioning Contractors of America (ACCA) MIX Group. He is also a Board Member for the Small Business Council of Rochester (SBC) and sits on the Board for Greater Rochester Quality Council (GRQC). He is a founding member of the Phoenix Group.
Domenic DeLeo
Domenic DeLeo

Vice President of Marketing, Contact Center and Residential Installation

Domenic has been with Isaac since the early 1990s. Domenic studied HVAC at Monroe Community College, BOCES, and Alfred State College. He not only was a student at Isaac University, he later evolved into a trainer there. Prior to his current role, Domenic held positions in the Residential Installation department as an Installer, Field Supervisor, Installation/Home Performance Manager. Domenic holds certifications from North American Technician Excellence (NATE) and the Building Performance Institute (BPI). He spent 6 years as a Air Conditioning Contractors of America (ACCA) board member and currently sits on the board for Building Performance Contractors (BPCA) He is passionate about helping others develop their careers and providing clients with an enjoyable experience.

Charles Sandusky
Charles Sandusky

Safety Director

Charles has been with Isaac for nearly two years as the company's Safety Director. He lives in Ontario, NY with his family. 
Don Stubblebine
Don Stubblebine

Regional Manager

Don joined Isaac in 2020 as Regional Manager. Though he has not spent much time in HVAC, he came to Isaac with years of customer service expertise, including being named the Marriott Courtyard Diamond General Manager of the Year 2007. Don is a life-long Rochesterian. 
Leslie Young
Leslie Young

Avon Branch Manager

Leslie has been with Isaac for six years. She previously was a Branch Coordinator before being promoted to the Branch Manager. Leslie lives in Leicester, NY. 

Tom Nugent
Tom Nugent

Buffalo Branch Manager

Tom is a Buffalo native and Niagara University Alum who has been with Isaac Heating and Air Conditioning for four years — since the Buffalo Branch inception in 2016. Tom is proud to support and be affiliated with Habitat for Humanity. He lives in Lancaster, NY.
 
Mickey Sonner
Mickey Sonner

Twin Tiers Branch Manager

Mickey has been with Isaac for eight years, where he started as a Residential Installation Technician and later transferred to Energy Consultant. He has been the Twin Tiers Branch Manager since 2019. Mickey has 15 years experience in the Volunteer Fire Service and currently serves as the Chief of East Campbell Fire Dept. He is also a member of the NYS FIre Chiefs Association. Mickey and his family live in Painted Post, NY.

Randy Navas
Randy Navas

Canandaigua Branch Manager

Randy worked for Isaac for six years previously as a Residential Service Technician and also a Home Energy Auditor. Randy later returned to Isaac as the Canandaigua Branch Manager. He holds certifications from North American Technician Excellence (NATE) and the Building Performance Institute (BPI).  Randy and his family currently live in Scottsville, NY but look forward to their upcoming move to Canandaigua.
Steve Carpenter
Steve Carpenter

Residential Installation Field Manager

Steve has been with Isaac for 18 years. He started with the company as a Residential Installation Helper. Steve is now the Residential Installation Field Manager and holds certifications from North American Technician Excellence (NATE). Steve and his family live in Brockport, NY.
 
Andrew Torres
Andrew Torres

Residential Sales Manager

Andrew brings more than 15 years of  HVAC Sales, Installation and leadership experience to the team. Andrew joined the company when he was 19 as an installation helper. He has held roles as an installer, Home Performance auditor, Residential project manager, and Branch manager. His ultimate goal is to have his team cultivate an unmatched experience for Isaac's clients by simply being easy to do business with and attentive to clients' needs.
Alberto Martinez
Alberto Martinez

Residential Install Operations Manager

Alberto has been with Isaac for nine years where he began his career as a Commercial Service Dispatcher. He moved on to handling national accounts, and for more than four years has worked in his current role supporting the Installation Department. Alberto lives in Greece, NY.
Jake Coleman
Jake Coleman

Residential Service Manager

Jake has been with Isaac since 2013, where he was first hired as a Customer Service Writer (CSR). He has also served as a Contact Center Supervisor. Jake lives with his family in Greece, NY.
Jessica Hartley-Golino
Jessica Hartley-Golino

Warehouse & Procurement Manager

Jessica has spent the past 15 years with Isaac, most recently as the Warehouse & Procurement Manager. 20 years ago, she initially started working with Isaac as an Agreement Specialist. Jessica is affiliated with Association for Supply Chain Management (ASCM). Jessica lives with her family in Rochester, NY.
Nicole Little
Nicole Little

Client Relations Manager

Nicole has spent six years with Isaac, starting her career at Isaac as a Service Writer. Nicole lives with her family in Hilton, NY. 
 
Diana Fisher
Diana Fisher

Marketing Manager

Diana has been with Isaac for nearly three years, starting as a Marketing Communications Specialist. She graduated in 2000 with a Bachelor's of Science from the E.W. Scripps School of Journalism at Ohio University. Diana is a board member for Brockport Bisons Travel Baseball. She is also a 2012 graduate of Dale Carnegie. Originally from Ohio, Diana lives with her family in Brockport, NY.

Jennifer Rekos
Jennifer Rekos

Residential Service Office Manager

Jenn has been with Isaac for four years, starting her career at Isaac as a Contact Center Service Writer. Jenn volunteers for a grassroots, community supported radio station, WAYO 104.3fm, where she produces and hosts a monthly program. Raised in Connecticut, she has lived in several large cities around the country, moving to Rochester nine years ago. She currently resides in Batavia.

Derrick Danieu
Derrick Danieu

Controller

Derrick has been with Isaac for the past two years. He started with the company as the Assistant Controller. Derrick lives in Henrietta.
Cheryl B. Engels
Cheryl B. Engels

Manager Benefit & Wellness Programs

Cheryl has been with Isaac for two years, starting as the Benefits Administrator. She is a member of Society for Human Resource Management (SHRM) and the National Wellness Institute. Cheryl lives with her family in the Town of Gates.