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Green Certification Services for Energy Efficiency Since 1990, Conservation Services Group has designed and managed award-winning certification programs promoting energy efficient and resource efficient new construction. We have a long history of successfully providing residential certification programs and related services such as:

  • Training for raters, architects, builders, and contractors on best practices, codes and standards
  • Energy modeling, design support, HERS ratings, inspections, and consultation throughout construction
  • Complete building performance testing
  • Strategic marketing support
  • Industry consulting and diagnostic services
  • Renewable energy consulting
  • Certification and incentive processing assistance
  • Data management and information technology solutions

Known as a pioneer in highly efficient home production even before the advent of ENERGY STAR® Homes, CSG implements new construction programs for utilities and state agencies from coast to coast. In New England, we offer consulting and diagnostic services for many building types e.g., mixed-use and multifamily. Our professionals certify ENERGY STAR® Qualified Homes and LEED® for Homes, along with NAHB Green. CSG has qualified more than 22,000 dwellings in the ENERGY STAR Homes program to date. We were selected by the U.S. Green Building Council to pilot LEED for Homes in 2006, and are currently a top LEED for Homes provider in the Northeast.


Green Certification Program Management Case Studies

Here are just a few examples of Conservation Services Group’s measurable success in green certification programs for homes:


Green Certification Services for Contractors, Builders and Architects

CSG offers a suite of green certification services to meet the needs of contractors, builders, and architects.

These certification services are designed to eliminate the guesswork of “building green” and apply a systematic approach to using a “whole house” method to certify green homes for energy efficiency. CSG’s whole house approach goes beyond simply adding energy efficient green technologies to the house.

To ensure a better performing home, we use our knowledge of applied building science to look at the interaction and integration of all major systems, including the home's thermal envelope (i.e. the home's shell insulation, addressing air leakage), mechanical systems (i.e. HVAC efficiency, domestic hot water), and efficiency of appliances and lighting.

CSG offers energy efficient certification services and will guide you through every step of the process. These include:

  1. ENERGY STAR Homes – are at least 15 percent more energy efficient than a house built to the 2004 International Residential Code (IRC). The ENERGY STAR Homes program is sponsored by Environmental Protection Agency (EPA), and ENERGY STAR Homes often achieve 20-30 percent more efficiency than a typical home.

  2. LEED® for Homes – was developed by The U.S. Green Building Council which offers four levels of certification: Certified, Silver, Gold and Platinum. CSG has been a LEED for Homes provider since 2005 when the system was first entering its pilot phase. See a video about LEED for Homes Certification Process.

  3. The NAHB National Green Building Standard™ – National Association of Home Builders green rating system for residential construction in the United States can be used for rating new and remodeled single- and multifamily buildings as well as residential subdivisions.

CSG is proud to be an ENERGY STAR partnerCSG is proud to provide rating services to qualify new homes for the ENERGY STAR label. ENERGY STAR qualified new homes are substantially more energy efficient than homes built to the minimum code requirements. Even in states with more rigorous energy codes, the U.S. EPA ensures that ENERGY STAR remains the symbol for truly energy-efficient performance. These homes are good for businesses, consumers, and the environment. Learn more about ENERGY STAR qualified new homes at http://www.energystar.gov/.

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