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.

 

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

CEO

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

President

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.
Wesley Marchand
Wesley Marchand

Vice President of Commercial Operations

Wesley has worked at Isaac since 2002 and has held positions in the Commercial Installation Department as an engineer, estimator, and manager. He is passionate about the development of new construction projects and guiding them through every phase of design and construction. He received his bachelor’s degree in Mechanical Engineering from State University of New York at Buffalo in 2007. Wesley is affiliated with Rochester Builders Exchange, he is a Rochester Rotarian, and also a GRE Member. Wesley was named to the ACHR News Top 40 Under 40. He lives with his family in Mendon, NY.

Jeremy Noll
Jeremy Noll

Director of Integrations

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.
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. 
Eric Smith
Eric Smith

Engineering Supervisor

Eric has spent five years at Isaac as Engineering Supervisor. He began his career at a local consulting engineering firm where he gained experience with the wide variety of HVAC systems and design applications. He spearheads the design phase of design/build projects and acts as a technical advisor to the many Isaac team members. Eric is a licensed Professional Engineer in New York, as well as an LEED AP +BD&C accredited professional and active member of the local chapter of ASHRAE. Raised in Ithaca, N.Y., Eric completed a bachelor’s of science degree in Mechanical Engineering from the University of Rochester.

Jay Tranello
Jay Tranello

Service Manager, Commercial Service

Jay has been with Isaac for seven years, and he began his career at Isaac as a Commercial Service Coordinator. He is a participant of the Lead at all Levels Initiative and is a graduate of Monroe Community College's Conscious Leader program. Jay lives with his family in Rochester, NY.
John Riker
John Riker

Commercial HVAC Field Manager

John has lived in the Finger Lakes Region his entire life. His first job was at a welding and sheet metal company, but decided to move to HVAC. John joined Isaac Heating & Air Conditioning in 1987. He started with Isaac as an apprentice and was promoted to mechanic, specializing in fabrication and hydronics. He was promoted to Commercial Field Supervisor in 2015 and then again as the HVAC Field Manager of the Commercial Installation in 2021. Throughout his career at Isaac, he has continued to improve his skills through continuing education, including advanced courses in sheet metal fabrication, refrigeration and hydronics.

Tim Ham
Tim Ham

Commercial Project Manager

Tim was born and raised in the Rochester, N.Y. area and lives in Brighton with his wife and two children. He started his career at Isaac Heating & Air Conditioning in 2006 as a delivery driver. He was promoted to crew leader in 2008, lead mechanic in 2010, and became a project manager in January 2017. Outside of work, Tim likes to spend time outdoors, camping and hiking with his family in the Adirondack Mountains, as well as hunting and fishing.

Conner O’Donoghue
Conner O’Donoghue

Project Manager

Conner grew up in Avon, NY and is now currently resides in Rochester, NY. He started working with Isaac Heating & Air Conditioning during the summer of 2015 in the field as an intern. After graduating in 2016 from Alfred State College, where he studied heating and air conditioning technology while taking electives in construction management and safety. He has now moved into the office working alongside the team of managers and engineers with his main focus on the success of large commercial projects and also striving to optimize new and improved operations throughout the workplace. When not working he enjoys playing golf with friends and family.

Timothy Lingeman
Timothy Lingeman

Commercial Installation Supervisor

Tim is a native of Hilton, N.Y. After serving with the Coast Guard (where he was a machinery technician working on diesel engines along with HVAC systems), he worked for a small company doing plumbing and HVAC installations and service. In the early 1980s, he relocated to Dallas, where he was a foreman supervising several high-rise HVAC and plumbing projects. At that time, he also attended night school learning the trade before coming back to Rochester and joining Isaac. In his 22 years as a foreman for Isaac, he has supervised many large commercial projects. In 2009 Tim was named Installation Supervisor for the Commercial Department, which has expanded considerably under his leadership.

Steve Mangiafesto
Steve Mangiafesto

Commercial Installation Sales Engineer

Steve has lived in and around Rochester since relocating from the Buffalo area in 2005. He studied drafting at The State University of New York at Alfred and graduated with this Associates degree in 1984. He has a diversified 35-year career in the mechanical field. Originally worked at Nine Mile Point nuclear power plant during construction after college graduation eventually relocating to Rochester. Steve has worked in engineering at the Sear Brown Group and M/E Engineering. Also, he was a territory manager for the Buffalo area at Ward Supply. Steve also has experience in working at other mechanical contractors. He has worked at Isaac Heating and Air Conditioning since July of 2014. He is passionate about the development of new projects and guiding them through from start to finish. Outside of work he enjoys spending time with his wife (Jill) and sons (Sam, Jeff, and Zach) along with outdoor activities such as golf and Camping. Steve has also been an adult volunteer with the BSA for over 20 years in capacities within the Pack, Troop, and District levels. Two of his sons are Eagle Scouts and he also is a Silver Beaver award recipient.

Paul Raleigh
Paul Raleigh

Commercial Installation Sales Engineer

Paul has lived in the Rochester area his entire life and worked in the HVAC industry for the past 20 years, all of which have been at Isaac Heating & Air Conditioning. At Isaac he has worked in almost every role ranging from residential installer, service tech, various leadership roles. Paul’s passion for the industry has always been in the commercial system design. So, when his current position came available, there was no question what he would be doing next. Paul’s true love in life is his family – specifically his wife Cheryl and children Addison, Paul, Reese, and Wyatt. He enjoys coaching youth lacrosse and is involved in various youth activities. The family enjoys camping, motor sports, skiing, and truly anything they can do together.

Brian Baxter
Brian Baxter

Commercial Installation Advisor

Brian has lived in and around Rochester all his life.  He graduated from college with an associate’s degree in HVACR at Alfred State College in 1996 and began working at Isaac Heating & Air Conditioning a month after graduating. He has had many roles within the company, starting as a residential service technician and then becoming a team leader and trainer. He moved to Commercial Service and was also a team leader there. He currently works with Commercial Install on equipment start up, training install technicians, and performing sales part time. Outside of work, he enjoys spending time with his wife Kimberly and their children Morgan and Aaron, along with any outdoor activities such as ATV riding and nature walking.