Atrium Palace Condominiums
Fort Lee, NJ | Multifamily Residential
Engineered mechanical, electrical, plumbing, and fire protection systems for a large-scale residential condominium building.
View project sourceDirectory
Public engineering firm profile
CoolSys Energy Design
Princeton, NJ
Engineering Solutions That Power Your Bottom Line.
- Services
- 39
- Offices
- 3
- Projects
- 8
- Leaders
- 7
- Size Estimate
- 100-250 employees
Overview
CoolSys Energy Design, formerly Energy Squared, is a national consulting engineering practice headquartered in Princeton, New Jersey. It provides integrated mechanical, electrical, plumbing, refrigeration, building controls, and fire protection (MEPR/FP) engineering design and analysis for both new construction and existing building remodels. Operating with more than 100 professionals across offices in New Jersey, Texas, and California, it supports commercial, industrial, retail, hospitality, mixed-use, and multifamily residential markets. As a signatory to the MEP 2040 Challenge, CoolSys Energy Design emphasizes sustainable technology, decarbonization, and energy-efficient building performance.
- Size Estimate
- 100-250 employees
Services
Mechanical and HVAC Engineering
Provides comprehensive heating, ventilation, and air conditioning design for diverse facilities. The practice specializes in optimizing indoor air quality, managing precise humidity levels, and integrating energy-efficient upgrades for chillers, boilers, and compressors.
Electrical Engineering
Delivers sophisticated power and lighting designs tailored to new construction and modernization projects. Focus areas include power distribution networks, standby power generation, and specialized studies to ensure equipment safety and code compliance.
Plumbing Engineering
Designs high-performance water and gas distribution systems for commercial, industrial, and residential projects. Technical capabilities focus on water conservation, regulatory alignment, and efficient sanitary drainage solutions.
Refrigeration Engineering
Pioneers sustainable cooling systems for commercial and industrial applications, particularly within the supermarket and cold storage sectors. Engineering expertise covers low global warming potential solutions and natural refrigerant configurations.
Fire Protection Engineering
Engineers comprehensive safety solutions to prevent, detect, and control fire hazards. Work includes the design of fire sprinkler systems, alarm networks, and specialized hazard protections conforming to national standards.
Energy Audits and Financial Incentives
Identifies operational savings and offsets project expenditures through detailed facility audits and program administration. Engineers help clients secure utility rebates and financial incentives for energy-efficiency upgrades.
Commissioning
Provides independent verification that physical systems are installed, programmed, and performing according to project specifications. Verification applies across mechanical, electrical, plumbing, and control architectures.
Building Automation and Control Optimization
Maximizes long-term efficiency and facility performance through customized energy management strategies. Engineering includes the full layout and networking of building automation systems.
Combined Heat and Power (CHP)
Designs co-generation facilities that simultaneously produce electricity and useful heat. This approach significantly reduces utility expenses and improves resource efficiency across industrial and commercial buildings.
Energy and Emissions Modeling
Conducts advanced whole-building simulations to evaluate performance, emissions, and sustainability profiles. Analysis supports decarbonization strategies, green building certification, and the deployment of renewable technologies.
Industries
Firm type
Project types
Commercial HVAC System DesignSupermarket MEPR/FP DesignRetail Store MEP DesignCold Storage Refrigeration DesignSolar PV and BESS DesignFull Building ElectrificationFire Protection System DesignBuilding Automation System DesignCHP / Co-Generation System DesignLEED / WELL Certified Building DesignEnergy Modeling and Feasibility StudiesMulti-Family Residential MEP DesignIndustrial Facility MEP DesignPharmaceutical Facility MEP Design
Projects
Brooklyn Navy Yard
Brooklyn, NY | Brooklyn Navy Yard | Industrial
Provided comprehensive MEPR/FP systems design and engineering solutions for the historic industrial park and modern commercial hub.
View project sourceFairway Markets
Multiple Locations, NJ, NY, CT | Fairway Markets | Retail
Designed high-efficiency commercial refrigeration and integrated HVAC systems for multiple grocery store locations.
View project sourceMehadrin Dairy
Elizabeth, NJ | Mehadrin Dairy | Food & Beverage
Delivered specialized industrial refrigeration, HVAC, and electrical engineering design solutions for a dairy processing facility.
View project sourceBayer Pharmaceuticals U.S. Headquarters
Whippany, NJ | Bayer Pharmaceuticals | Pharmaceutical
Completed engineering services supporting facility mechanical, electrical, plumbing, and fire protection systems at the national corporate campus.
View project sourceTarget
Multiple Locations, US | Target | Retail
Supplied repeatable and energy-efficient MEPR/FP design templates and engineering consulting for multiple retail store locations nationwide.
View project sourceWhataburger
San Marcos, TX | Whataburger | Food & Beverage
Designed integrated mechanical, electrical, and plumbing infrastructure tailored for high-volume commercial food service operations.
View project sourceWhole Foods Met 3
Miami, FL | Whole Foods Market | Retail
Engineered advanced commercial refrigeration, including low-GWP systems, integrated with building HVAC and controls for a premier supermarket location.
View project sourceSoftware
Credentials and affiliations
Public clients
Price ChopperShopRitePublixTargetWhataburgerBrooklyn Navy YardWhole FoodsWalgreens
Leadership
Ben Rosenzweig
President
PE
Ben Rosenzweig leads the operations, projects, and clients of CoolSys Energy Design toward sustainable, low-emissions, and energy-efficient solutions. Having started his career at ExxonMobil before joining Energy Squared (now CoolSys Energy Design), he brings extensive expertise across commercial, industrial, and large-scale residential markets. He holds both a bachelor's and master's degree in Mechanical Engineering from Lehigh University.
Christopher Cupo
Vice President
Christopher Cupo offers extensive experience in construction management, specialized plumbing design, cost estimating, bidding, and commissioning. His experience is particularly focused on cold storage distribution facilities, supermarkets, and large-scale retail environments. He is an active member of ASPE and NFPA, and graduated from the University of Delaware.
Yoram Perelman
Vice President and Director, New Jersey HQ
Yoram Perelman manages electrical engineering services across commercial, industrial, and retail sectors, specializing in power distribution, stand-by generation, and coordinated lighting designs. He served as the lead electrical engineer for the first Silver LEED certified supermarket pilot program in the United States. He holds a bachelor's degree in Electrical Engineering from Fairleigh Dickinson University.
Shane Best
Director, Texas
PE
Shane Best oversees regional engineering teams serving diverse markets nationwide. He holds an Electrical Engineering degree from Texas A&M University, an MBA from Southern Methodist University, and holds a Commissioning Authority certification. He has been active with the IEEE since 1997.
Landon West
Manager of Operations, California
Landon West directs the operations of the California office. His extensive background in the built environment spans over 28 years, beginning his career as a CAD designer and developing comprehensive leadership in mechanical, electrical, plumbing, and refrigeration systems.
Clive Samuels
Advisor
PE
Clive Samuels is a founder and former president of the business. With decades of international facility engineering experience, he acts as a key technical advisor specializing in optimized HVAC, industrial refrigeration, and building automation.
Allan Samuels
Advisor
Allan Samuels is a founder, former managing partner, and former president of the practice. He specializes in engineering solutions for supermarkets and multifamily buildings, advising the team on energy optimization and sustainable designs.