Management Team

President, Unison Comfort Technologies

Jay Althof has overall leadership responsibility for Unison Comfort Technologies, which includes the Innovent, Valent, Precision Coils and Unison Systems & Services business units. Unison is one of the Greenheck Group companies. Prior to accepting a leadership role at Greenheck, Jay had been with Trane for 19 years and was Vice President, Global Controls and Contracting. During his career with Trane, he also held positions in customer service, product development, sales and marketing management, and business development. Additionally, his roles at Trane included International Business in Asia, Europe, and the America's. Prior to Trane, Jay was a staff engineer at the National Renewable Energy Laboratory in Golden, Colorado for three years doing research on alternative energy initiatives.

Jay has both a Bachelors and Masters Degree in Mechanical Engineering from the University of Illinois, Champaign-Urbana.

Jay lives with his wife and two college-age daughters. He also sings with Vocality, an a cappella vocal quartet which has achieved recognition in international competitions.

Director of Marketing, Unison Comfort Technologies

Randy Amborn is Director of Marketing for Unison Comfort Technologies. Drawing upon over 30 years of HVAC experience, he provides marketing and communications leadership for three brands included under the Unison umbrella.

Amborn holds a bachelor’s degree from the University of Minnesota with an emphasis in communication and computer science.

An in-demand jazz and rock pianist, Amborn enjoys contributing to his local community and beyond by combining music and philanthropy. He lives with his wife and teenage daughter

Vice President Business Development, Unison Comfort Technologies

Gary Lochner's primary focus, as vice president of business development, is optimizing the success of the Unison network of reps . Gary's background includes experience in technical, sales, and marketing positions at a major HVAC manufacturer and a succession of roles at Heatex Inc., including leadership and equity stakes in this predecessor business of Unison Comfort Technologies. 

Gary holds a Mechanical Engineering Degree with heat transfer emphasis from the University of Minnesota.

He resides in Minnesota with his wife and children who are active in soccer.

Vice President Engineering, Unison Comfort Technologies

Doug Ohs brings twenty five years experience with energy recovery and air handling equipment to his current role at Unison Comfort Technologies. Prior to this Doug was the General Manager for Innovent Air Handling Equipment. His tenure began as an application engineer with a related predecessor business. Over time Doug had increased his ownership equity stake in Heatex, Inc which was then sold to Greenheck Fan Corporation.

Doug graduated from the University of Minnesota Institute of Technology with a degree in Mechanical Engineering.

Doug enjoys spending time with his family and playing baseball in the summer and hockey in the winter.

Vice President of Sales and Services, Unison Comfort Technologies

Brian Ranney leads the Sales and Services group for Unison. Brian brings nearly three decades of experience in the HVAC industry to his role. Prior to joining Unison, Brian held executive level positions in sales and marketing with Trane. Brian’s unique and broad depth of systems and applications knowledge also enables Unison to deliver innovative HVAC system solutions to meet the needs of strategic account customers.

Brian received a Bachelor of Science degree in Mechanical Engineering, specializing in HVAC design, from the University of Minnesota.

He lives in Minnesota with his wife and 3 children. Together they enjoy fishing, traveling attending sporting events.

Director of Manufacturing, Unison Air Handling Products

Gene Schultz has 18 years of Business, Engineering and Operations experience in various roles within the HVAC industry. His career has progressively advanced and he has helped launch new business ventures within the Greenheck Group with emphasis on developing sustainable structures to achieve profitable growth.

Gene’s educational background includes an undergraduate degree in Industrial Engineering from Milwaukee School of Engineering and a Masters of Business Administration (MBA) from the University of Wisconsin - Oshkosh.
Gene enjoys spending time with his family, coaching youth sports and spending time outdoors.

Vice President, Unison Air Handling

Jennifer Schroer leads Unison Air Handling, which includes the Innovent and Valent brands. Jennifer brings 30 years of experience in the HVAC industry where she has specialized in air handling, humidification, and control systems. Her expertise in marketing and product management has led to the successful introduction of many key product offerings. Prior to joining Unison, Jennifer held senior level positions with DriSteem, Trane, and Honeywell.

Jennifer’s educational background includes an undergraduate degree in business from the University of Wisconsin – Stout and a Masters of Business Administration (MBA) from the University of St. Thomas.

Outside of work, Jennifer stays busy with her family which includes her husband and two sons.