Tools
Tools for building performance.
Each one runs entirely in your browser — no account, no upload, and nothing kept after the tab closes. Open source where the licence allows it.
Psychrometric StudioPsychrometric Studio
Moist-air analysis for real buildings
- Seventeen equipment types, solved stage by stage
- ASHRAE 55-2023 comfort, evaluated live as you work
- A full year of EPW weather counted against your design
Read more →ZEELZEEL
Zoned energy estimation for laboratory buildings
- Twenty-one lab zone types, entered as areas
- Estimated EUI, carbon and operating cost from the programme
- Five climate zones and seven conservation measures
Read more →Heat Balance StudioHeat Balance Studio
Envelope heat balance for early-stage design
- Eighteen building types from the PNNL prototype models
- Five envelope surfaces, by U-value or R-value
- Gains and 24-hour schedules per type, all of them editable
Read more →Thermal Network StudioThermal Network Studio
Could this neighbourhood share its heat?
- Draw any US neighbourhood on a real map
- Hourly heating and cooling for every building, calibrated to national stock
- Bore fields, heat pumps, towers, rivers and waste heat on one loop
Read more →