Engineered Solutions, Inc.
ESI is an HVAC consulting engineering firm founded in 1988 by Richard J. Dirienzo, P.E. and Edward M. Quinlan. ESI specializes in complex HVAC projects that require senior-level engineering involvement at all phases of the Project.

Our customized services include the following:

  • HVAC system engineering and preparation of Construction Documents
  • HVAC system troubleshooting, evaluation, and review
  • Facility Master Planning
  • Controls system engineering
  • Energy analysis and Utility Rebate Programs
  • Due Diligence Studies and Peer Review Services

Our clients include Architects, Building Owners, and Building Managers of:

  • Office buildings
  • Medical facilities
  • Educational facilities
  • Manufacturing facilities
  • Laboratories
  • Tel/Data Centers
  • Retail establishments
  • Hotels

The following are examples of the types of HVAC projects that ESI specializes in:

  • Chiller plants
  • Air Handling Systems
  • Cogeneration plants
  • Commissioning
  • Boiler Plants
  • Energy Management Systems
  • Process Plant Systems
  • Tenant Fit-up

Our Approach

ESI provides senior-level engineering services including direct project involvement by the two founding principals. ESI prides itself on responsive and flexible project management derived from years of hands-on industry experience.

From conceptual design through project completion, ESI has direct, practical experience in all phases of HVAC construction projects. With an emphasis on problem solving, we have successfully improved mechanical systems in many existing facilities.

In addition to providing traditional HVAC design services, ESI offers a customized approach to energy analysis for both mechanical and electrical systems. By combining our practical design expertise and analytical skills, ESI can identify and implement energy conservation improvements that result in an efficient operating system, not just a report.

If you require customized HVAC engineering services ranging from analysis to system design for your facility, ESI can offer senior-level engineering support to determine the appropriate, cost-effective solutions to your engineering challenges.