What We Do

Our Engineering Design and Consulting Services


Peterson Engineering Group LLC in Norwalk, CT is an engineering firm that provides eco-friendly engineering solutions for your specific needs. Whether you need design work for a mechanical system or consulting services for a new construction project, we have you covered.

We have a talented team of professionals who are more than qualified to provide engineering design and consulting services. Our experts can work toward helping you optimize the output and efficiency of your project while reducing base investments and its operating costs.

What We Offer

Our company has comprehensive engineering services that focus on providing design
or consulting work for the following:

  • Design for Sustainable and Renewable Energy Resources
  • Design for Refrigeration Systems
  • Certification for Leadership in Energy and Environmental Design (LEED) Accredited Professional (AP)
  • Design Mechanical HVAC Systems
  • Design Plumbing Systems
  • LEED Building Commissioning
  • Design Fire Protection Systems
  • Design Electrical Systems
  • Design Mission Critical Systems

Consulting Services for the Following Engineering Systems


  • Passive Ventilation and Thermal Comfort Control Systems

  • Shading and Building Envelope Features

  • Renewable Energy Sources

  • Alternative Heat Rejection Systems

  • Mechanical Exhaust Systems

  • Building Management System and Associated Controls

  • Refrigeration Systems for Retail and Industrial Application

  • Mechanical Air Conditioning Systems

  • Clean Room and Critical Environmental Designs

  • Sustainable Designs

  • Geothermal Heat Exchange Systems

  • Thermal Storage Systems


  • Sanitary Drainage Systems

  • Storm Drainage Systems

  • Domestic Water Systems

  • Industrial and Medical Gas Systems

  • Compressed Air Systems

  • Greywater Systems, Including Treatment

Commissioning and Retro-Commissioning

  • Energy Management Systems Designs

  • Building Optimizations

  • Energy Efficient Retrofits

  • Utility Incentive Programs

  • Testing and Analyses

  • Project Management Services


  • Electrical power distribution

  • Daylighting

  • Renewable energy sources, such as solar photovoltaic, wind, and geothermal

  • Site utility coordination, including electrical service, telephone service, and more

  • Lighting for street, pathway, car park, and other places

  • Lighting and controls

  • Standby power generation and distributions

  • Uninterruptible power supply systems

  • Mission-critical systems

  • Security and data systems designs

  • Mission-critical data center designs

  • Lightning protection systems

  • Aircraft and heliport lighting systems

Fire Protection

  • Fire Detection System

  • Fire and Life Safety Systems

  • Fire Sprinkler and Standpipe System

  • Fire Prevention Gas Systems

  • Fire Prevention Foam Systems


  • LEED AP Project Services

  • LEED Fundamental and Enhanced Commissioning Services

  • Building Energy Modeling

Additional Services

  • Providing Cost-Saving Designs for Sustainable Energy Usage
  • Performing Energy Evaluations for Existing Buildings
  • Creating Designs for Information Technology Systems
  • Making Designs for Mission Critical Infrastructure and Distribution
  • Drafting Environmental Control Systems for Town Halls
  • Lay Outing Environmental Control Systems for Hospitals
  • Designing Environmental Control Systems for Laboratories

Aiming for Excellence

Peterson Engineering Group LLC is qualified to take part in the Commercial and Industrial (C&I) Energy Efficiency Solutions and Programs. In the past, we have conducted incentive programs where we strived to achieve the following:

  • Meet Required Deadlines
  • Design Efficient Lighting and Mechanical Systems
  • Accurately Project Savings for the Business

We administered these programs during the following projects:

  • Stew Leonard’s in Norwalk and Newington

  • Glencore

  • Maplewood Assisted Living

  • City of Norwalk Town Hall

  • Roosevelt School