Our engineering consultants have over 30 years of experience doing jobs of all sizes, including national computer-support center, a 6,000-phone switchboard system, numerous hospitals and health-care centers (including an eye laser surgery suite, specialized AC units for burn victims, and medical imaging rooms), IBM 3090 mainframe computing locations, and water-cooled server systems.

We have completed extensive projects in Penn Station, the New York City Subway System, and commercial buildings in New York City exceeding 600,000 square feet. We can work anywhere in the United States or overseas.

We utilize the latest available computer aided design (CAD) available in the HVAC industry to design in the environmental control industry. 


Ryan Engineers Portfolio (NYC)


Bill Ryan

Bill Ryan was an associate professor of the Department of Environmental Control & Facilities Management in the School of Technology and Design at New York City College of Technology (part of the City University system) from 1992-2005. Bill Ryan taught Principal of Air-Conditioning Systems, Air-Conditioning Systems Laboratory, Combustion Processes & Equipment, Fire Protection, Plumbing, Electrical Systems for Buildings, Principles of Refrigeration, and Principles of HVAC Systems Controls & Auto CAD Drafting / Design.


Bill is a member of the following professional associations:

ashrae-bill-ryan-new-yorkAmerican Society of Heating, Refrigerating and Air-Conditioning Engineers, (ASHRAE)

  • President, New York Chapter (1996-97)
  • Presidential STAR award recipient
  • Vice President & Program Chair, New York Chapter (1994-95)
  • Member (1980 – Present)

asme- bill ryan new york

American Society of Mechanical Engineers,  (ASME) 

Member (1976 – Present)


nspe-bill ryan new york National Society of Professional Engineers, (NSPE)

Member (2002 – Present)


nfpa-bill ryan new yorkNational Fire Protection Association, (NFPA)

Member (2006 – Present)


aspe-bill ryan new yorkAmerican Society of Plumbing Engineers, (ASPE)                      

Full Member (2014 – Present)