The advantage

The GetEPW Advantage

Purpose-Built Excellence

GetEPW weather files are engineered specifically for building simulation, with every data point validated and formatted for immediate use in professional energy modeling software.

Latest Climate Intelligence

Incorporating weather data through 2024 with modern processing algorithms ensures your building simulations reflect current climate realities, not decades-old patterns.

Universal Precision

High-resolution global coverage means accurate weather data for any project location worldwide, from urban centers to remote sites where traditional weather stations don't exist.

Time-to-Simulation

Download and simulate immediately - no data conversion, gap-filling, or validation required. Professional EPW format works directly with all major building simulation platforms.

Scientific Rigor

Advanced statistical validation, transparent sourcing, and continuous quality improvements ensure your simulation results are based on the most reliable weather data available.

Your need	GetEPW Offer	Why It Matters
Latest Historical Data (2024)	Most current weather data available with processing up to 2024	Critical for accurate building performance under recent climate patterns and changing weather extremes
High-Resolution Global Coverage	Grid-based data for any coordinate worldwide, including remote locations	Enables precise simulation for any project location without being limited to existing weather stations
Professional EPW Format	Native building simulation format with all required parameters	Direct import into EnergyPlus, OpenStudio, DesignBuilder - no conversion or processing needed
Pre-Calculated Design Conditions	Heating/cooling design conditions computed from comprehensive historical analysis	Eliminates manual ASHRAE calculations, ensuring accurate HVAC sizing and energy modeling
Typical & Extreme Period Identification	Scientifically identified representative weather periods for design analysis	Enables targeted simulation scenarios without time-consuming weather pattern analysis
Multi-Depth Ground Temperatures	Ground temperature profiles at multiple depths for earth-coupled systems	Essential for accurate ground-source heat pump and underground building component modeling
Complete Solar Radiation Modeling	Full solar data with altitude/azimuth calculations and direct/diffuse components	Precise solar gain calculations for daylighting, PV systems, and passive solar design
Guaranteed Data Completeness	Full 8760-hour annual datasets with advanced gap-filling methodology	Eliminates simulation errors from missing data points that plague other weather sources
Transparent Data Sourcing	Clear attribution to Open-Meteo Historical API with confidence indicators	Provides traceability and reliability assessment for professional building design
Modern Quality Control	Statistical validation and outlier detection using contemporary algorithms	Ensures data integrity with modern quality assurance methods
Instant Accessibility	Direct download with immediate simulation readiness	Accelerates project timelines by eliminating data preparation and validation steps
Cost-Effective Solution	Professional-grade data without expensive licensing or API fees	Democratizes access to high-quality weather data for all building professionals
Regular Enhancement Updates	Continuous methodology improvements and data refresh cycles	Keeps pace with advancing climate science and building simulation requirements
Rich Metadata Integration	Complete location, elevation, time zone, and validation data included	Provides full context needed for accurate simulation setup and results interpretation
Building-Specific Optimization	Data processing specifically tuned for building energy analysis needs	Every parameter optimized for HVAC, lighting, and envelope performance calculations