Green Building Score Estimator

Quickly estimate your building's green score by evaluating energy efficiency, indoor quality, site planning, and sustainable features.

Project Information
Sustainable Features
Energy & Atmosphere Max 20 points
All major appliances meet ENERGY STAR standards
Photovoltaic system covers at least 20% of energy needs
All lighting fixtures use LED technology
System exceeds ASHRAE 90.1-2016 by 30%
Automated controls for lighting, HVAC, and energy management
Water Efficiency Max 10 points
Fixtures reduce water use by 40% compared to baseline
To accurately size a cistern or collection area, pair this with a dedicated rainwater harvesting calculator for detailed catchment estimates.
Native or adapted plants that require minimal irrigation
Materials & Resources Max 10 points
At least 20% recycled content in building materials
Materials extracted and manufactured within 500 miles
At least 50% of wood is FSC-certified
Divert at least 75% of construction waste from landfill
Sustainable Sites Max 10 points
Site is a previously developed brownfield
Site within 1/2 mile of public transit
Secure bike storage and shower facilities
If you're planning a vegetated roof, review the structural implications with a green roof load calculator to ensure your framing can support the added weight.
Indoor Environmental Quality Max 10 points
All paints, coatings, adhesives, and sealants meet VOC limits
Natural light reaches 75% of regularly occupied spaces. For a more detailed analysis, you can use a daylight factor calculator to quantify illumination levels.
Individual controls for thermal comfort in 50% of spaces
CO2 monitoring and increased ventilation
Innovation & Regional Priority Max 10 points
Educational displays about building's green features
Purchase of RECs for 50% of building energy
Addresses environmental priorities specific to region
Principal participant is LEED AP

Project Score

Based on selected features

My Green Building Project

0

Points achieved
Not Rated
Total possible points: 70
Select features to estimate your green building score.
Category Breakdown
Detailed Score Summary
Category Your Score Max Score Percentage
Energy & Atmosphere 0 20
Water Efficiency 0 10
Materials & Resources 0 10
Sustainable Sites 0 10
Indoor Quality 0 10
Innovation & Regional 0 10
Total 0 70
Construction Execution & Field Planning Context
Professional Notice: This tool provides preliminary estimation only. All green building certification requires formal documentation, third-party verification, and compliance with current standards. Site conditions may affect implementation.
PRACTICAL APPLICATION CONTEXT
  • On-site Use: Field teams use this estimator during pre-construction meetings to align subcontractors on sustainability targets and identify point opportunities early.
  • Workflow Integration: Typically used in schematic design and design development phases to inform material procurement and system specifications.
  • Stage of Use: Primary application during planning/estimation; secondary use during execution for tracking installed features against certification documentation.
FIELD INPUT GUIDANCE
  • Verification Accuracy: Confirm all checked features with actual submittals, cut sheets, and installed equipment. Theoretical specifications often differ from as-built conditions.
  • Documentation Method: Cross-reference selections with approved shop drawings, material test reports, and manufacturer certifications.
  • Consistency Protocol: Ensure all project documents (specifications, drawings, schedules) use identical terminology for green features to avoid confusion during inspection.
OUTPUT USAGE IN CONSTRUCTION
  • Material Planning: Score breakdown informs procurement of certified materials (FSC wood, recycled content) with proper documentation chain of custody.
  • Scheduling Impact: Green features (green roofs, rainwater systems) often require specialized trades and longer lead times—factor into master schedule.
  • Drawing Coordination: Use results to verify all sustainable features are clearly detailed on architectural, mechanical, and electrical drawings with appropriate callouts.
CONSTRUCTION CONSTRAINTS
  • Safety Margins: Some sustainability features (daylighting, thermal controls) require trade-off evaluations with fire safety, structural, and accessibility requirements.
  • Field Tolerance: Real-world installation of solar panels, green roofs, and water systems often has ±5-10% performance variation from theoretical calculations.
  • Deviation Management: Site conditions, material availability, or cost constraints may require feature substitutions while maintaining certification compliance.
BUILDABILITY NOTES
  • Practical Limitations: Some green features (extensive green roofs, complex rainwater systems) require specialized installation expertise and may affect structural loading. For example, before installing a heavy vegetative roof, run the numbers through a green roof load calculator to verify structural capacity.
  • Weather & Environment: Sustainable site features (drought-resistant landscaping, pervious paving) require proper seasonal timing and weather considerations for installation.
  • Material Behavior: Low-VOC materials have different application characteristics and curing times—schedule accordingly to avoid indoor air quality issues.
QUALITY & COMPLIANCE CONTEXT
  • Standards Reference: All green features must comply with relevant standards (ASHRAE 90.1, IECC, IPC water efficiency provisions) as adopted by local jurisdiction. For HVAC efficiency points, a professional HVAC load estimator is essential for right-sizing equipment.
  • Inspection Reminder: Document all installed green features with photographs, test reports, and manufacturer certifications for verification audits.
  • Documentation Relevance: Maintain organized certification binder from day one—missing documentation is the most common reason for point denial.
Disclaimer: This tool is not a replacement for certified green building professional services, engineering calculations, or official certification submissions. All projects require professional design, engineering approval, and must account for actual site conditions, local codes, and construction feasibility. The estimator provides conceptual guidance only.
Tips for Improving Your Score
This tool provides an estimate only. For official certification, consult with a LEED or BREEAM professional.
  • Energy: Consider adding solar panels or upgrading to more efficient HVAC systems. Verify system capacities with a dedicated HVAC load estimator to ensure optimal performance.
  • Water: Rainwater harvesting systems can significantly improve water efficiency. Use a rainwater harvesting calculator to properly size tanks based on roof area and local rainfall.
  • Materials: Source more materials locally and look for recycled content options.
  • Indoor Quality: Improve daylighting and add thermal comfort controls. For a more precise evaluation of natural light, consider using a daylight factor calculator during design.
  • Innovation: Consider adding educational displays about your green features.