HPAC Engineering's Editorial Advisory Board is comprised of distinguished professionals serving the HVACR industry. Possessing expertise in various engineering and scientific fields, they provide valuable assistance to the magazine's efforts.

Members of HPAC Engineering’s Editorial Advisory Board include:

William G. Acker
The president of Acker & Associates in Green Bay, Wis., William G. Acker is an expert on energy analysis, air emissions, and water-vapor transmission and condensation. For HPAC Engineering he wrote the first article to illustrate the total costs of producing and transmitting electricity. He joined the Board in 1999.
email: wgacker@sbcglobal.net


William P. Bahnfleth, PhD, PE
William P. Bahnfleth, PhD, PE, is a professor in the Department of Architectural Engineering and Director of the Indoor Environment Center at Penn State University. He has experience as a consultant for district energy systems. He has specialized in the design and operation of chilled-water thermal-storage systems for more than two decades and has consulted on numerous projects. He has conducted research on chilled-water systems, stratified chilled-water storage, and indoor-air quality. He is a fellow of ASHRAE and ASME and was ASHRAE President in 2013-2014. He joined the Board in 1997.
e-mail: wpb5@psu.edu


David W. Berg, PE
Bearg is an environmental health scientist with Life Energy Associates, located in Concord, MA, a position he's held for more than 33 years. His expertise is focused on creating healthy indoor envronments while saving energy at the same time, and working to inprove operational performance for both ventilation and moisture management. Bearg has written a number of books and papers – most recently one entitled, "Indoor Air Quality and HVAC Systems," as well as the white paper, "Achieving and Maintaining Healthy Green Buildings."
e-mail: sagefarm@comcast.net

Don Beaty, PE, FASHRAE
The founder and president of DLB Associates in Eatontown, NJ, provider of program-management, architectural/engineering, and construction-management services, Beaty chaired American Society of Heating, Refrigerating and Air-Conditioning Engineers Technical Committee (TC) 9.9, Mission Critical Facilities, Technology Spaces and Electronic Equipment, from its inception until June 2006. Currently the publications chair of TC 9.9, he has presented on data-center topics in more than 20 countries and published more than 50 technical papers and articles. He is a licensed engineer in more than 40 states.
e-mail: www.linkedin.com/in/donbeaty


Lawrence (Larry) Clark, CEA, GGP, LEED AP, O+M
Clark is principal of Sustainable Performance Solutions LLC, provider of energy audits, general energy-efficiency and sustainability consulting services, and metering and submetering solutions. He has more than a dozen published articles on HVAC- and energy-related topics to his credit and frequently lectures on central-energy-plant optimization, metering/submetering, and advanced ventilation.
e-mail: larry@sustainflorida.com

 

William J. Coad, PE
William J. Coad, PE, was installed as president of ASHRAE in 2001. A distinguished author and lecturer, he has more than 40 years of experience in the design and analysis of mechanical and electrical building systems. He joined the Board in 1991.
 

 

Peter D'Antonio, PE, CEM, LEED AP
Peter D'Antonio, PE, CEM, LEED AP, is president of PCD Engineering Inc., an award-winning provider of building-energy-analysis, mechanical/electrical-design, and commissioning services. His work has been recognized with design and service awards from organizations such as the U.S. Environmental Protection Agency, the U.S. Green Building Council (USGBC), the Colorado Governor’s Energy Office, and the Colorado Renewable Energy Society. His industry and community involvement includes service as a member of the boards of the USGBC and the Association of Energy Engineers. He is a member of American Society of Heating, Refrigerating and Air-Conditioning Engineers Technical Committee 7.6, Systems Energy Utilization.
E-mail: peter@pcdengineering.com


Kenneth M. Elovitz, PE, Esq.
Kenneth M. Elovitz is an engineer and in-house counsel for Energy Economics Inc. in Foxboro, Mass. His knowledge and experience with HVAC, electrical, and life-safety systems allow him to understand system function and performance, including interactions among disciplines. He joined the Board in 2000.


Ben Erpelding, PE, CEM
The director of engineering for Optimum Energy LLC, Ben Erpelding, PE, CEM, has more than 13 years of experience related to energy efficiency, demand response, HVAC design, measurement and verification, and commissioning. To date, he has worked on more than 1,000 chilled-water plants throughout the United States, China, and the Middle East.
e-mail: ben.erpelding@optimumenergyco.com
 

Alfred E. Guntermann, PE
The principal of New Haven, Conn.-based Guntermann Engineering, a provider of mechanical and electrical consulting-engineering services for commercial, industrial, and residential buildings, with special expertise in energy-conservation analysis and construction support, Guntermann has 40 years of industry experience, and is perhaps best known for his prescient look at energy supplies — the 1976 conference paper "The Mystery of Future Energy Prices."
Website: www.guntermannengineering.com


Thomas Hartman, PE
An internationally recognized expert on the use of advanced building controls and control networks, Thomas Hartman, PE, is the principal of The Hartman Co. He holds several patents for efficiency and comfort-enhancing technologies and has been a member of the Board since 1991.
360-658-1168; fax: 360-658-1178
e-mail: tomH@hartmanco.com
Website: http://www.hartmanco.com


Asif Kadiani, PE, CEM
Asif Kadiani, PE, CEM, is a senior mechanical engineer for Hanson Professional Services Inc. in Springfield, Ill. A Leadership in Energy & Environmental Design (LEED) Accredited Professional, Kadiani is responsible for project management and construction administration; the design and analysis of HVAC, building-automation, fire-protection, and plumbing systems; energy-conservation studies and financial analysis; and the commissioning and troubleshooting of building mechanical systems.
e-mail: akadiani@hanson-inc.com


John H. Klote, DSc, PE
John H. Klote, DSc, PE, is a retired fire- and smoke-control consultant from McLean, Va. Previously, he conducted research on fire and smoke control for NIST. He is the author of two books on smoke control, chapters of numerous other books, and more than 85 technical papers and articles. He joined the Board in 1997.

 

Valentine A. Lehr, PE, FASHRAE
With more than 35 years of industry experience, Valentine A. Lehr, PE, is an internationally known lecturer and participant in technical sessions. In 1969, he founded Lehr Associates, a consulting engineering firm in New York providing mechanical, electrical, and fire-protection services. He joined the Board in 1991.
e-mail: val@lehrassoc.com

 

Mark S. Lentz, PE
Lentz is president of Lentz Engineering Associates of Sheboygan Falls, WI. Nationally recognized by the U.S. Department of Energy for having successfully developed, tested, and proven several advanced HVAC-system strategies designed to exceed the performance requirements of ANSI/ASHRAE/IESNA Standard 90.1, Energy Standard for Buildings Except Low-Rise Residential Buildings, while meeting or exceeding the requirements of ANSI/ASHRAE Standard 62.1-2004, Ventilation for Acceptable Indoor Air Quality, Lentz is the recipient of numerous national engineering honors, including Energy (1988), Symposium Paper of the Year (1991), and Distinguished Service (2001) awards from the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE). Read more about him in the HPAC Engineering welcome to the advisory board article.
e-mail:


Dave Moser, PE, CPMP
Moser is a senior engineer with PECI, a Portland, Ore.-based non-profit organization providing energy-efficiency services to a variety of clients. Moser provides engineering services for a broad range of projects and programs focused on commercial-building energy efficiency. His experience includes implementing and managing the technical aspects of utility existing-building-commissioning programs, directing in-building commissioning projects, and leading research projects. Read more about him in this HPAC Engineering biography.
e-Email: dmoser@peci.org.

 

Joel N. Orr, PhD
Joel N. Orr, PhD, is a consultant, speaker, and writer specializing in engineering and computer technologies. He heads Orr Associates International, a consulting firm, and is a partner in Cyon Research. A former Autodesk Distinguished Fellow and Bentley Engineering Laureate, he has been a member of the Board since 2001.
e-mail: joel@joelorr.com

 

J. Jay Santos, PE
The principal of Facility Dynamics Engineering Corp., J. Jay Santos, PE, teaches courses on building automation, direct digital control, and commissioning at the University of Wisconsin, North Carolina State University, and the Iowa Energy Center's Energy Resource Station. He joined the Board in 2001.
e-Email: jays@facilitydynamics.com


Andrew J. Streifel, MPH
As a hospital environmental-health specialist, Andrew J. Streifel, MPH, has assisted more than 150 hospitals worldwide with matters pertaining to indoor-air quality and safe patient-care environments. A member of the Board since 2000, he works for the University of Minnesota Department of Environmental Health and Safety.
e-mail: strei001@tc.umn.edu
Website: http://www.dehs.umn.edu


Gary Wamsley, PE, CEM
Wamsley is an engineering consultant with expertise in industrial energy management and plant-utility-system optimization. As president of JoGar Energy Services, Wamsley, who has 40 years of plant-operation and management experience in the tire, aerospace, and paper industries, specializes in on-site utility-system reviews for commercial and industrial clients. Also, he conducts boiler-operation inspections, performs ASME boiler-efficiency testing, and provides specialized training related to HVAC, energy management, and boiler, pump, compressed-air, and water systems. His industrial-boiler-system experience ranges from small fire-tube units to 1,500-psig coal-fired cogeneration plants.
e-mail: gary.wamsley@comcast.net

 

James P. Waltz, ME, MBA, PE
Mr. Waltz is president of Energy Resource Associates Inc., specializing in turnkey engineering of infrastructure renewal of existing-building mechanical, electrical, control, and structural systems. A noted speaker, author, and forensics engineer and 1993 AEE International Energy Engineer of the Year, he joined the Board in 2000.
e-mail: jpwaltz@eraenergy.com
Website: http://www.eraenergy.com


Dennis J. Wessel, PE
The vice president and director of mechanical engineering for Bacik, Karpinski Associates Inc., Dennis J. Wessel, PE, specializes in large central heating and cooling plants and distribution systems, hospital facilities, and large- and tall-building HVAC and plumbing systems. He joined the Board in 2001.


Michael West, PhD, PE
Michael West, PhD, PE, principal building-systems scientist with Advantek Consulting Inc. in Melbourne, Fla., is a specialist in dehumidification and building-moisture control in hot and humid climates, He joined the board in 2005.

 

Ronald J. Wilkinson, PE
Ron Wilkinson, PE, LEED AP, is a nationally published author and speaker on building quality assurance. He is on the Editorial Advisory Board of HPAC Engineering magazine, is an ASHRAE Distinguished Lecturer, and an AIA Continuing Education Lecturer. He wrote the U. S. Green Building Council's first training program for LEED commissioning, and was co-editor of the 2003 National Association of State Facilities Administrators' "Building Commissioning Recommended Guidelines,"and author of Northwest Energy Efficiency Alliance's "Best Practices in Commissioning in Montana."
 


Gerald J. Williams, PE
Gerald J. Williams, PE, has more than 30 years of experience in the design, analysis, and commissioning of HVAC systems, having served as principal and project manager for major building designs, energy studies, system retrofits, and building-commissioning projects involving the Washington University School of Medicine, the Monsanto world-headquarters campus, and Nestle Purina, all in St. Louis; University of Missouri Hospital and Clinics in Columbia; the Columbia campus of the University of Missouri; the University of Missouri-Rolla campus; St. Mary's Hospital in Rochester, Minn.; Hospital General in Catalunya, Spain; and the Missouri State Capitol in Jefferson City.