Free PDF Quiz 2025 USGBC LEED-AP-Homes: LEED AP Homes (Residential) Exam Latest Exam Revision Plan

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USGBC LEED-AP-Homes Exam Syllabus Topics:

Topic	Details
Topic 1	LEED Process: This section of the exam measures the skills of a Green Building Consultant. It covers the comprehensive framework of the LEED Homes certification process, from understanding project eligibility and roles—such as green raters and quality assurance designees—to navigating certification requirements, the LEED verification process, and documentation submission to GBCI.
Topic 2	Materials & Resources: This section of the exam measures the skills of a Sustainability Specialist. It emphasizes the selection and management of eco-friendly materials, efficient usage of resources, and implementation of waste reduction strategies to support green residential construction.
Topic 3	Location & Transportation: This section of the exam measures the skills of an Environmental Planner. It focuses on how homes integrate with their surroundings and connect to transportation networks, emphasizing sustainable siting strategies aligned with urban planning practices.

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USGBC LEED AP Homes (Residential) Exam Sample Questions (Q89-Q94):

NEW QUESTION # 89
Energy simu-lation software used for ENERGY STAR Homes certification is approved by the:

A. Department of Energy (DOE)
B. Environmental Protection Agency (EPA)
C. Residential Energy Services Network (RESNET)
D. U.S. Green Building Council (USGBC)

Answer: C

Explanation:
TheLEED for Homes Rating System (v4)integrates ENERGY STAR Homes certification as part of the Energy and Atmosphere (EA)category, specifically for theEA Prerequisite: Minimum Energy PerformanceandEA Credit: Annual Energy Use. ENERGY STAR Homes certification requires energy simulation software to model the home's performance, and this software must be approved by a specific authority.
According to theLEED Reference Guide for Homes Design and Construction (v4):
EA Prerequisite: Minimum Energy Performance
Projects pursuing ENERGY STAR for Homes certification must use energy simulation software accredited by the Residential Energy Services Network (RESNET) to demonstrate compliance with ENERGY STAR performance requirements.
Source: LEED Reference Guide for Homes Design and Construction, v4, Energy and Atmosphere Prerequisite: Minimum Energy Performance, p. 112.
TheResidential Energy Services Network (RESNET)is the organization responsible for accrediting energy modeling software used for ENERGY STAR Homes certification, such as REM/Rate or Ekotrope. RESNET establishes standards for Home Energy Rating Systems (HERS) and ensures software accuracy for energy performance calculations.
TheLEED v4.1 Residential BD+Crating system aligns with this:
EA Prerequisite: Energy Performance
ENERGY STAR Homes certification requires the use of RESNET-accredited energy modeling tools to verify performance targets, such as HERS index scores.
Source: LEED v4.1 Residential BD+C, Credit Library, accessed via USGBC LEED Online.
While theEnvironmental Protection Agency (EPA)oversees the ENERGY STAR program, it does not directly approve the simulation software; that responsibility lies with RESNET.
Why not the other options?
Reference: LEED Reference Guide for Homes Design and Construction, v4, EA Prerequisite: Minimum Energy Performance, p. 112.
B). U.S. Green Building Council (USGBC): The USGBC administers LEED but does not approve ENERGY STAR software. It references ENERGY STAR requirements in LEED credits.Reference: LEED Reference Guide for Homes Design and Construction, v4, EA Prerequisite: Minimum Energy Performance, p. 112.
C). Environmental Protection Agency (EPA): The EPA manages ENERGY STAR but delegates software accreditation to RESNET for consistency in HERS ratings.Reference: ENERGY STAR Residential New Construction Program Requirements, accessed viawww.energystar.gov.
TheLEED AP Homes Candidate Handbookemphasizes EA prerequisites and credits, including ENERGY STAR integration, and references theLEED Reference Guide for Homes Design and Constructionas a key resource. The exam is based onLEED v4, ensuring the relevance of RESNET's role.
References:
LEED Reference Guide for Homes Design and Construction, v4, USGBC, Energy and Atmosphere Prerequisite: Minimum Energy Performance, p. 112.
LEED v4.1 Residential BD+C, USGBC LEED Credit Library, accessed via LEED Online (https://www.
usgbc.org/credits).
LEED AP Homes Candidate Handbook, GBCI, October 2024, p. 12 (references study resources and exam scope based on LEED v4).
USGBC LEED for Homes Rating System (v4), available via USGBC website (https://www.usgbc.org
/resources/leed-homes-design-and-construction-v4).
RESNET Standards, accessed viawww.resnet.us, confirming software accreditation.

NEW QUESTION # 90
Envelope leakage is measured in air changes per hour (ACH) at what pressure differential?

A. 25 pascals
B. 50 pascals
C. 75 pascals
D. 100 pascals

Answer: B

Explanation:
TheLEED for Homes Rating System (v4)requires blower door testing in theEnergy and Atmosphere (EA) Credit: Air Infiltrationto measure envelope leakage, expressed as air changes per hour (ACH) at a specific pressure differential.
According to theLEED Reference Guide for Homes Design and Construction (v4):
EA Credit: Air Infiltration (1-3 points)
Conduct a blower door test to measure envelope leakage in air changes per hour (ACH) at a pressure differential of 50 pascals (Pa). This standardizes the measurement of air tightness across projects.
Source: LEED Reference Guide for Homes Design and Construction, v4, Energy and Atmosphere Credit: Air Infiltration, p. 124.
TheLEED v4.1 Residential BD+Crating system confirms:
EA Credit: Air Infiltration
Envelope leakage is measured using a blower door test at 50 pascals, reported as ACH50, to assess the airtightness of the building envelope.
Source: LEED v4.1 Residential BD+C, Credit Library, accessed via USGBC LEED Online.
The correct answer is50 pascals(Option B), as this is the standard pressure differential for measuring ACH in LEED for Homes.
Why not the other options?
Reference: LEED Reference Guide for Homes Design and Construction, v4, EA Credit: Air Infiltration, p.
124.
C). 75 pascals: Higher pressures are not used, as 50 pascals is the industry standard for consistency.Reference:
LEED Reference Guide for Homes Design and Construction, v4, EA Credit: Air Infiltration, p. 124.
D). 100 pascals: This is too high and not used in residential testing standards.Reference: LEED Reference Guide for Homes Design and Construction, v4, EA Credit: Air Infiltration, p. 124.
TheLEED AP Homes Candidate Handbookemphasizes EA credits, including air infiltration testing, and references theLEED Reference Guide for Homes Design and Constructionas a key resource. The exam is based onLEED v4, ensuring the relevance of the 50-pascal standard.
References:
LEED Reference Guide for Homes Design and Construction, v4, USGBC, Energy and Atmosphere Credit: Air Infiltration, p. 124.
LEED v4.1 Residential BD+C, USGBC LEED Credit Library, accessed via LEED Online (https://www.
usgbc.org/credits).
LEED AP Homes Candidate Handbook, GBCI, October 2024, p. 12 (references study resources and exam scope based on LEED v4).
USGBC LEED for Homes Rating System (v4), available via USGBC website (https://www.usgbc.org
/resources/leed-homes-design-and-construction-v4).
LEED v4.1 for Homes, USGBC, accessed via LEED Online, confirming ACH50 testing standard.

NEW QUESTION # 91
What is the intent of Innovation Prerequisite: Preliminary Rating?

A. To encourage exceptional performance for current credits and promote innovative performance in pioneering areas
B. To maximize opportunities for integrative, cost-effective adoption of green design and construction strategies
C. To define the mandatory certification level at the beginning and declare it to all parties
D. To define the credits that can be achieved most cost-effectively

Answer: B

Explanation:
TheLEED for Homes Rating System (v4)includes theInnovation (IN) Prerequisite: Preliminary Rating, which requires the project team to conduct an early assessment to identify achievable credits and set sustainability goals.
According to theLEED Reference Guide for Homes Design and Construction (v4):
IN Prerequisite: Preliminary Rating
The intent is to maximize opportunities for integrative, cost-effective adoption of green design and construction strategies by establishing a preliminary rating early in the design process. This involves identifying potential credits and setting performance goals with the project team.
Source: LEED Reference Guide for Homes Design and Construction, v4, Innovation Prerequisite:
Preliminary Rating, p. 186.
TheLEED v4.1 Residential BD+Crating system confirms:
IN Prerequisite: Preliminary Rating
The goal is to foster an integrative process that identifies cost-effective green strategies and aligns the project team on sustainability objectives from the outset.
Source: LEED v4.1 Residential BD+C, Credit Library, accessed via USGBC LEED Online.
The correct answer isto maximize opportunities for integrative, cost-effective adoption of green design and construction strategies(Option C), as this reflects the prerequisite's focus on early planning for sustainability.
Why not the other options?
Reference: LEED Reference Guide for Homes Design and Construction, v4, IN Prerequisite: Preliminary Rating, p. 186.
B). To define the mandatory certification level at the beginning and declare it to all parties: The prerequisite does not mandate a certification level; it sets goals for credits.Reference: LEED Reference Guide for Homes Design and Construction, v4, IN Prerequisite: Preliminary Rating, p. 186.
D). To encourage exceptional performance for current credits and promote innovative performance in pioneering areas: This is the intent ofIN Credit: Innovation, not the prerequisite.Reference: LEED Reference Guide for Homes Design and Construction, v4, IN Credit: Innovation, p. 190.
TheLEED AP Homes Candidate Handbookemphasizes IN prerequisites, including Preliminary Rating, and references theLEED Reference Guide for Homes Design and Constructionas a key resource. The exam is based onLEED v4, ensuring the relevance of integrative planning.
References:
LEED Reference Guide for Homes Design and Construction, v4, USGBC, Innovation Prerequisite:
Preliminary Rating, p. 186.
LEED v4.1 Residential BD+C, USGBC LEED Credit Library, accessed via LEED Online (https://www.
usgbc.org/credits).
LEED AP Homes Candidate Handbook, GBCI, October 2024, p. 12 (references study resources and exam scope based on LEED v4).
USGBC LEED for Homes Rating System (v4), available via USGBC website (https://www.usgbc.org
/resources/leed-homes-design-and-construction-v4).
LEED v4.1 for Homes, USGBC, accessed via LEED Online, confirming preliminary rating intent.

NEW QUESTION # 92
Energy losses due to supply duct leakage are most likely to occur when:

A. Duct layout includes multiple 90-degree bends on a single branch.
B. Ducts are located in unconditioned attics, basements, or exterior walls.
C. Ducts are located within conditioned envelope but joints are unsealed.
D. Interior wall cavities are used to conduct return air.

Answer: B

Explanation:
Duct leakage in HVAC systems can significantly increase energy losses, particularly when ducts are poorly sealed or located in areas that exacerbate the impact of leakage. This issue is addressed in theLEED for Homes Rating System (v4)under theEnergy and Atmosphere (EA)category, specifically in credits related to Heating and Cooling Distribution Systems.
According to theLEED Reference Guide for Homes Design and Construction (v4), the location of ducts plays a critical role in energy losses due to leakage:
EA Credit: Heating and Cooling Distribution Systems
To minimize energy losses, locate all heating and cooling ducts and air handlers within the conditioned envelope of the building. Ducts located in unconditioned spaces, such as attics, basements, or exterior walls, are more likely to lose energy due to leakage, as air escaping from ducts in these areas is lost to the outside or unconditioned zones, increasing heating and cooling loads.
Source: LEED Reference Guide for Homes Design and Construction, v4, Energy and Atmosphere Credit:
Heating and Cooling Distribution Systems, p. 126.
TheLEED v4.1 Residential BD+Crating system further clarifies this:
EA Credit: Optimize Energy Performance
Ducts located in unconditioned spaces (e.g., attics, unconditioned basements, or exterior walls) contribute to significant energy losses when leakage occurs, as conditioned air escapes to areas outside the thermal envelope. Sealing ducts and locating them within conditioned spaces are best practices to minimize losses.
Source: LEED v4.1 Residential BD+C, Credit Library, accessed via USGBC LEED Online.
Ducts inunconditioned attics, basements, or exterior wallsare particularly problematic because any leakage results in conditioned air being lost to spaces that are not temperature-controlled, requiring the HVAC system to work harder to maintain indoor comfort. This scenario maximizes energy losses compared to ducts within the conditioned envelope.
Why not the other options?
Reference: LEED Reference Guide for Homes Design and Construction, v4, EA Credit: Heating and Cooling Distribution Systems, p. 127, which discusses return air strategies but not as a primary leakage concern.
B). Duct layout includes multiple 90-degree bends on a single branch: Multiple 90-degree bends increase airflow resistance, reducing system efficiency, but they do not directly cause duct leakage. Leakage is related to unsealed joints or poor duct construction, not the geometry of the duct layout.Reference: LEED Reference Guide for Homes Design and Construction, v4, EA Credit: Heating and Cooling Distribution Systems, p. 126, which prioritizes duct sealing over layout.
C). Ducts are located within conditioned envelope but joints are unsealed: While unsealed joints cause leakage, ducts within the conditioned envelope leak into spaces that are already temperature-controlled. This reduces the energy impact compared to leakage in unconditioned spaces, as the conditioned air remains within the thermal envelope.Reference: LEED Reference Guide for Homes Design and Construction, v4, EA Credit:
Heating and Cooling Distribution Systems, p. 126, which notes that ducts in conditioned spaces minimize energy loss from leakage.
TheLEED AP Homes Candidate Handbookconfirms that the exam tests knowledge of EA credits, including duct system design and energy performance, referencing theLEED Reference Guide for Homes Design and Constructionas a primary resource. The handbook ensures that the exam is based onLEED v4, aligning with the focus on duct location and sealing.
References:
LEED Reference Guide for Homes Design and Construction, v4, USGBC, Energy and Atmosphere Credit: Heating and Cooling Distribution Systems, p. 126-127.
LEED v4.1 Residential BD+C, USGBC LEED Credit Library, accessed via LEED Online (https://www.
usgbc.org/credits).
LEED AP Homes Candidate Handbook, GBCI, October 2024, p. 12 (references study resources and exam scope based on LEED v4).
USGBC LEED for Homes Rating System (v4), available via USGBC website (https://www.usgbc.org
/resources/leed-homes-design-and-construction-v4).
LEED v4.1 for Homes, USGBC, accessed via LEED Online, confirming duct location impacts.

NEW QUESTION # 93
A project team is pursuing Water Efficiency Credit, Outdoor Water Use. The site contains a total of 57,500 ft² (5,342 m²) of softscape.
What ratio of turf grass and native or adapted landscape is required to achieve four points for this credit? (Refer to the table below) Turf grass area Native or adapted plant area Points
< 60%
> 25%
1
< 40%
> 50%
2
< 20%
> 75%
3
< 5%
> 75%
4

A. 12,600 ft² (1,171 m²) turf grass and 40,000 ft² (3,716 m²) native or adapted landscape
B. 11,500 ft² (1,068 m²) turf grass and 40,000 ft² (3,716 m²) native or adapted landscape
C. 2,500 ft² (232 m²) turf grass and 44,000 ft² (4,088 m²) native or adapted landscape
D. 4,500 ft² (418 m²) turf grass and 44,000 ft² (4,088 m²) native or adapted landscape

Answer: C

Explanation:
TheLEED for Homes Rating System (v4)includes theWater Efficiency (WE) Credit: Outdoor Water Use, which awards points based on the ratio of turf grass (high water use) to native or adapted plants (low water use) in the softscape to reduce irrigation needs.
According to theLEED Reference Guide for Homes Design and Construction (v4):
WE Credit: Outdoor Water Use (1-4 points)
Reduce outdoor water use by selecting native or adapted plants and limiting turf grass. Points are awarded based on the percentage of softscape area:
* < 5% turf grass and > 75% native or adapted plants: 4 points.The total softscape area is used to calculate the percentages of turf grass and native/adapted plants.Source: LEED Reference Guide for Homes Design and Construction, v4, Water Efficiency Credit: Outdoor Water Use, p. 98-99.
TheLEED v4.1 Residential BD+Crating system confirms:
WE Credit: Outdoor Water Use
Achieve 4 points by ensuring less than 5% of the softscape is turf grass and more than 75% is native or adapted plants, based on area calculations.
Source: LEED v4.1 Residential BD+C, Credit Library, accessed via USGBC LEED Online.
Calculation for 4 points:
* Total softscape area: 57,500 ft².
* For 4 points:
* Turf grass: < 5% of 57,500 ft² = < 0.05 × 57,500 = < 2,875 ft².
* Native or adapted plants: > 75% of 57,500 ft² = > 0.75 × 57,500 = > 43,125 ft².
Evaluate options:
* A. 12,600 ft² turf grass and 40,000 ft² native or adapted:
* Turf grass: 12,600 / 57,500 = 21.91% (> 5%).
* Native: 40,000 / 57,500 = 69.57% (< 75%).
* Does not meet 4-point criteria (only qualifies for 1 point: < 60% turf, > 25% native).
* B. 11,500 ft² turf grass and 40,000 ft² native or adapted:
* Turf grass: 11,500 / 57,500 = 20% (> 5%).
* Native: 40,000 / 57,500 = 69.57% (< 75%).
* Does not meet 4-point criteria (qualifies for 2 points: < 40% turf, > 50% native).
* C. 2,500 ft² turf grass and 44,000 ft² native or adapted:
* Turf grass: 2,500 / 57,500 = 4.35% (< 5%).
* Native: 44,000 / 57,500 = 76.52% (> 75%).
* Meets 4-point criteria.
* D. 4,500 ft² turf grass and 44,000 ft² native or adapted:
* Turf grass: 4,500 / 57,500 = 7.83% (> 5%).
* Native: 44,000 / 57,500 = 76.52% (> 75%).
* Does not meet 4-point criteria (qualifies for 3 points: < 20% turf, > 75% native).
Answer Option C(2,500 ft² turf grass and 44,000 ft² native or adapted landscape) meets the requirements for 4 points.
TheLEED AP Homes Candidate Handbookemphasizes WE credits, including outdoor water use, and references theLEED Reference Guide for Homes Design and Constructionas a key resource. The exam is based onLEED v4, ensuring the relevance of the table's criteria.
References:
LEED Reference Guide for Homes Design and Construction, v4, USGBC, Water Efficiency Credit:
Outdoor Water Use, p. 98-99.
LEED v4.1 Residential BD+C, USGBC LEED Credit Library, accessed via LEED Online (https://www.usgbc.org/credits).
LEED AP Homes Candidate Handbook, GBCI, October 2024, p. 12 (references study resources and exam scope based on LEED v4).
USGBC LEED for Homes Rating System (v4), available via USGBC website (https://www.usgbc.org/resources/leed-homes-design-and-construction-v4).
LEED v4.1 for Homes, USGBC, accessed via LEED Online, confirming softscape ratios.

NEW QUESTION # 94
......

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Free PDF Quiz 2025 USGBC LEED-AP-Homes: LEED AP Homes (Residential) Exam Latest Exam Revision Plan

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USGBC LEED AP Homes (Residential) Exam Sample Questions (Q89-Q94):

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