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Learn & Plan Topics

  • Water Efficiency

    Buildings are significant users of the Earth’s freshwater supply. The goal of a responsible building operator should be to encourage a sma...

  • Building Systems Upgrades

    This page details Sustainable Strategies to consider as your space undergoes a building system upgrade to improve energy, water use, and occupant co...
  • Net Zero Energy

    Net Zero Energy means that a building balances its energy needs with energy produced from renewable, zero-emission sources.  While Net Zero Ene...
  • Enhancing Resilience and Reducing Vulnerability to Observed and Expected Changes in Climate

    Adapting to observed and expected changes in climate is a complex, long term process that requires personnel to work together across their organizat...
  • Policies & Strategies

    This section is devoted to the broad policies and strategies covering the whole government or entire agencies, services or bureaus, which set the co...
  • Tools & Training

    This section covers and links to systems, methods, databases, calculators, checklists, etc. designed to help Federal officials and their partners ac...
  • Best Practices & Case Studies

    One of the best ways to learn and make the case for high-performance building innovations is to point to others’ experience in implementing th...

Green Products

Water Use Baseline

Estimated or metered water use in a specified year from which water use reductions are expected to occur.

International Association of Plumbing and Mechanical Officials

International Code Council

Whole Building Systems

  • Water - LEED ID+C: Commercial Interiors (v4)

    LEED for Interior Design & Construction (ID+C): Commercial Interiors employs a number of sustainable water system best practices in its certific...

  • Water - LEED BD+C: New Construction (v4)

    Leadership in Environmental and Energy Design (LEED) for Building Design and Construction (BD+C) addresses components of a sustainable water system ...

  • IEQ - Daylight / Views

    Providing daylight access and views for occupants is important in reaching performance goals as part of the IEQ strategy. According to a study done ...

  • Submetering - Additional Uses

    Verifies utility accuracy Contributes to green building certification Establishes a facility’s historical baseline Supports accurate allo...

Materials

  • Low-Flow Faucet

    Low-flow faucets are based upon the Energy Policy Act of 1992 (EPAct 1992) and use aerators to restrict the flow of water to 2.2 gallons of wate...
  • Low-Flow Shower

    Low-Flow showerheads are based upon the Energy Policy Act of 1992 (EPAct 1992) and use 2.5 gallons of water per minute gpm. Relative to earlier ...
  • Low-flow Faucet

    Low-flow faucets are based upon the Energy Policy Act of 1992 (EPAct 1992) and use aerators to restrict the flow of water to 2.2 gallons of wate...
  • Low-Flow Urinal

    Low-flow urinals are based upon the Energy Policy Act of 1992 (EPAct 1992) and use 1.0 or less gallons of water per flush (gpf). Relative to ear...
  • Low-Flow Toilets

    Low-flow toilets are based upon the Energy Policy Act of 1992 (EPAct 1992) and use 1.6 or less gallons of water per flush (gpf).  Relative to...