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Atmosphere Credits Flashcards

7 cards from real LEED practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Atmosphere Credits flashcards as text

  1. A building owner wants to reduce carbon emissions from purchased electricity. Which LEED EA strategy specifically addresses this by procuring electricity from renewable sources off-site?

    Answer: Purchasing Renewable Energy Certificates (RECs) through EA Credit: Green Power and Carbon Offsets

    Purchasing RECs through EA Credit: Green Power and Carbon Offsets allows owners to claim that their electricity consumption is matched by renewable energy generated elsewhere on the grid.

  2. Under LEED v4 Enhanced Commissioning, what is the minimum required period for a 'post-occupancy commissioning review' after substantial completion?

    Answer: 10 months

    Enhanced Commissioning requires a post-occupancy commissioning review approximately 10 months after substantial completion to verify continued performance.

  3. What is the primary difference between CFC, HCFC, and HFC refrigerants in terms of environmental impact?

    Answer: CFCs have high ODP and high GWP; HCFCs have moderate ODP and moderate GWP; HFCs have zero ODP but high GWP

    CFCs destroy ozone and have high GWP; HCFCs partially destroy ozone and have moderate GWP; HFCs do not destroy ozone but still have high GWP, making each progressively better on ODP but still concerning for climate.

  4. In a LEED project pursuing EA Prerequisite: Minimum Energy Performance, what is the minimum percentage improvement in energy performance required over the ASHRAE 90.1 baseline for new construction?

    Answer: No improvement is required—the building must simply comply with ASHRAE 90.1

    EA Prerequisite: Minimum Energy Performance only requires compliance with ASHRAE 90.1 as a minimum threshold; percentage improvements above baseline are rewarded through the EA Credit: Optimize Energy Performance.

  5. Which scenario would most likely trigger additional points under LEED EA Credit: Enhanced Commissioning's 'monitoring-based commissioning' option?

    Answer: Installing automated fault detection and diagnostics (FDD) systems that continuously monitor building performance

    Monitoring-based commissioning uses automated fault detection and diagnostics to continuously identify performance deviations and trigger corrective action.

  6. For a LEED-certified building to earn points under EA Credit: Demand Response, what must a project demonstrate if no demand response program is available in the local utility territory?

    Answer: The project must install infrastructure to participate in demand response and have a plan to enroll when a program becomes available

    When no utility demand response program exists, LEED allows projects to earn the credit by installing demand response-ready infrastructure and committing to enroll when a program becomes available.

  7. An existing building undergoing LEED O+M certification must track energy use over time. Which tool does USGBC require projects to use for benchmarking energy performance in LEED O+M?

    Answer: ENERGY STAR Portfolio Manager

    LEED O+M requires projects to use EPA's ENERGY STAR Portfolio Manager to benchmark whole-building energy and water performance against similar buildings.