ClimateLens
Internal Weather File Comparator
Weather Library
Access the internal CIBSE library
Browse and load weather files from the Hoare Lea managed data library. Filter by location, period and data type.
Upload Files
Compare your own files
Upload one or more weather files from your device to compare. Supports EPW, CSV and TXT formats.

Assessment Profiles

Select a starting profile — you can still change parameters later.

Choose a profile above
Compare Metrics
Temperature, humidity, solar gains and more
Visual Analysis
Charts and graphs for clear insights
Export Results
Generate reports and export data
Internal Use
Secure access to Hoare Lea data libraries
View CIBSE weather zones
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ClimateLens

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Upload EPW or CIBSE weather files using the slots on the left. Up to 4 files can be compared simultaneously.
Summary Statistics — Selected Months

✦ ClimateLens AI

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ASSISTANT
Hello! I'm your ClimateLens AI assistant. This build uses a private developer-testing API key field. Load weather files and I can help interpret the data, compare climate files, identify overheating risk, or recommend which file to use for compliance assessments.
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