[Dec 27, 2025] Free USGBC LEED LEED-AP-Homes Exam Question [Q26-Q48]

NO.26 Sustainable Sites Prerequisite, No Invasive Plants requires that all site vegetation:

NO.27 A single-family home meets the Indoor Environmental Quality Credit Prerequisite, Ventilation using a continuous exhaust strategy. Which of the following Indoor Environmental Quality credits are potential credit synergies?

NO.28 A project team for a home in a small town is pursuing LEED certification. The home is designed with the following site characteristics:
* The lot is square.
* Three sides of the square lot border undeveloped land.
* The previous home covering 78% of the lot is deconstructed and the new LEED home will be built in its place.
* One full side of the square lot borders a home that was built 10 years before the LEED project.
Compliance with which of the following options, if any, will qualify the home for Location and Transportation Credit, Site Selection?

NO.29 The project team is planning trades training to meet requirements for the Integrative Process Credit, Option 2:
Trades Training. How many hours are required to earn this credit?

NO.30 For a project to earn one point for Materials and Resources Credit, Environmentally Preferable Products, what must occur?

NO.31 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

NO.32 What is the minimum number of required hours the project team must meet in order to earn the Integrative Process Credit, Option 2: Design Charrette?

NO.33 How is credit earned under Regional Priority Credit, Regional Priority when the credit has multiple thresholds?

NO.34 To receive maximum points under Indoor Environmental Quality Credit, Enhanced Garage Pollutant Protection, which single strategy should be used?

NO.35 A contractor has chosen to use a concrete mix that contains 100 lbs (45.4 kg) of fly ash. If the total mass of cementitious materials is 700 lbs (317.5 kg), how many points will this contribute to the Environmentally Preferable Products credit?

NO.36 What strategy should a team take in order to use tropical wood in their LEED registered project?

NO.37 Which important factors must be considered when calculating the design landscape water requirements?

NO.38 Which of the following products could earn one point for being reclaimed under the Materials and Resources Credit, Environmentally Preferable Products?

NO.39 Which of the following is used to properly size space heating and cooling systems in accordance with LEED for Homes criteria?

NO.40 After the HVAC contractor has completed the rough-in installation of all air handling equipment, what step should be taken to achieve Indoor Environmental Quality Credit, Contaminant Control during construction?

NO.41 A LEED for Homes project is located in an area heavily infested with termites. A project could earn Sustainable Sites Credit, Nontoxic Pest Control for employing which of the following design strategies?

NO.42 Which of the following areas may be considered open space to obtain Location and Transportation Credit, Site Selection, Option 3: Open Space when located within 1/2 mile (800 meters) of a LEED for Homes project?

NO.43 An existing home in a gut rehab LEED for Homes project reclaims all of the original framing. An addition is built with 90% FSC-certified wood. Which credit, if any, under Materials and Resources, will be earned?

NO.44 An effective design strategy to reduce outdoor water consumption is using:

NO.45 Energy losses due to supply duct leakage are most likely to occur when:

NO.46 Looking at the attached table, a project team is aiming for three points in Water Efficiency Credit, Outdoor Water Use. The site contains a total of 57,500 ft² (5,342 m²) of softscape. If the plan has 8,000 ft² (743 m²) of turf grass, what is the minimum area of native or adapted landscape required to achieve the desired three points for this credit?
Turf grass area
Native or adapted plant area
Points
< 60%
> 25%
1
< 40%
> 50%
2
< 20%
> 75%
3
< 5%
> 75%
4

NO.47 A benefit of lower window U-factor is:

NO.48 A gut rehab LEED for Homes project will maintain the building’s existing exterior wall and floor framing.
Under Materials and Resources Credit, Environmentally Preferable Products category, these components get credit for being: