Engineering Smarter

Energy Performance

Performance Today. Sustainability Tomorrow
Helping 100+ customers all over NY and NJ.
Project Experience & Energy Impact
500+
Buildings Evaluated
40%
Energy Reduction Potential
32
Local Law Compliance Expertise
10+
Commercial & Industrial Projects
Our Core Services
Building Commissioning
We provide comprehensive building commissioning services to verify that building systems are designed, installed, tested, and operating in accordance with project requirements and owner expectations. Our commissioning approach focuses on improving system performance, energy efficiency, occupant comfort, and long-term operational reliability throughout all phases of construction and building operation.
Services Include:
  • New Building Commissioning
  • Retro-Commissioning
  • Functional Performance Testing (FPT)
  • Pre-Functional Verification (PFT)
  • Sequence of Operations Review
  • Controls Verification
  • Construction Observation Services
Energy Audits & Assessments
Our energy audit and assessment services help building owners identify opportunities to reduce energy consumption, lower operating costs, improve equipment performance, and support long-term sustainability goals. We provide practical, data-driven recommendations tailored to each facility’s operational needs and capital planning objectives.
Services Include:
  • Energy Audits
  • Existing Building Evaluations
  • ECM Development
  • Utility Incentive & Rebate Support
  • Building Decarbonization Studies
  • Electrification Feasibility Assessments
  • Carbon Reduction Strategies
  • Benchmarking & Energy Reporting
  • Demand Reduction Strategies
HVAC & Controls Optimization
We specialize in evaluating and optimizing HVAC systems and building automation controls to improve system efficiency, reliability, and occupant comfort. Our team provides detailed diagnostics, controls troubleshooting, and operational optimization for both new and existing facilities.
Services Include:
  • Central Plant Systems
  • Chilled Water & Boiler Systems
  • Heat Pumps & VRF Systems
  • Air Handling Units (AHUs)
  • DOAS & Ventilation Systems
  • Hydronic Systems
  • Steam & Condensate Systems
  • BAS/BMS Optimization
  • HVAC Controls Diagnostics
Energy Code & Compliance
We assist building owners, architects, and facility managers with meeting local energy codes, emissions regulations, and sustainability compliance requirements. Our team provides technical guidance, documentation support, and compliance strategies for both new and existing buildings.
Services Include:
  • LL87 Energy Audit & Retro-Commissioning Compliance
  • LL88 Lighting & Controls Compliance
  • LL97 Building Emissions Compliance
  • NYCECC Energy Code Compliance
  • Executive Order 22 Support
  • EV Charging Infrastructure Compliance Support
  • Benchmarking & Sustainability Reporting
Professional Certifications & Memberships

Our team maintains industry-recognized certifications and memberships that demonstrate technical excellence, safety leadership, and commitment to sustainable building performance.

Engineering & Design Authority
Sustainable Building Design
Building Commissioning
Energy Management
Workplace Safety
Industrial Safety
Electrical Safety
Energy Assessment Expertise
Memberships
Why Choose Us
Modern Infrastructure Requires Smarter Energy Strategy

GS Energy Group delivers practical engineering solutions designed for today’s evolving commercial environments. We focus on performance, efficiency, reliability, and long-term operational sustainability.

Energy Consulting
Delivering strategic energy assessments and performance-driven solutions for commercial and industrial facilities.
Building Optimization
Improving HVAC, controls, and infrastructure systems to enhance operational efficiency and reliability.
Sustainability Solutions
Supporting long-term sustainability goals through intelligent energy planning and modern engineering practices.
Compliance Expertise
Helping organizations align with evolving energy standards, performance requirements, and building regulations.