Infrared City

Homepage prototype — not the live site.

A design prototype of the new infrared.city homepage: the story, the order of the sections and the language. Nothing here is wired to the product.

Infrared City

The climate intelligence layer for buildings and cities.

Fast metre‑resolution simulation for wind

Interior daylight · per floor · 0.8 s
0100
3M+ simulations run 2,500+ accounts < 10 s for a small site, end to end Live in Vienna · Stuttgart · London

01

Climate you can measure,
before anything is built.

We simulate the climate around and inside buildings — wind, heat, sun and daylight — at metre resolution, in seconds.

Interior daylight · per floor
4.55 %
Daylight factor · floor 30

How much daylight actually reaches a desk on this floor, once the neighbours block the sky. Resolved floor by floor.

0%26%
SOLVE 0.8 S

02

Buy the layer.
Don't build one.

Everyone else ships an application. We ship the capability — so a product, a practice or a city becomes climate-aware without hiring a simulation team.

Climate physics, one API call away. Tiling, polling and merging are handled for you — you get a field back, not a job queue to babysit.

  • REST API OGC-compliant. Call it from any language or stack.
  • Python SDK Five lines to a result — tiling, polling, merging handled.
  • AI-agent skill One-click install for Claude Code, Cursor, Copilot, Windsurf.
# pip install infrared-sdk
from infrared_sdk import Client

client = Client(api_key)
run = client.run_area(
    polygon=aoi,
    analysis="thermal-comfort")

heat = run.result()   # → a field, in seconds

Open it as a guest and walk through five public case studies — before you sign up for anything.

  • Analyze Draw a box, run, read the results in 3D.
  • Compare Scenarios side by side, per metric.
  • AI reports Stakeholder-ready, straight from a run.
  • Integrations & API Plugin downloads and API keys, same account.

900 tokens on signup, 200 every month · no credit card

The platform · 30 s walkthrough · guest access

The engine inside the tools your team already has open — run analyses without leaving your model.

GRASSHOPPERplugin · Rhino 8 script componentsLive
REVITadd-inLive
QGISpluginLive
ARCGISconnectorLive
SKETCHUPextensionSoon
AGENT SKILLSClaude Code · Cursor · CopilotDocs
Infrared City plugin inside a design tool
Wind comfort · inside your CAD model

When the deployment has to fit you rather than the other way round — a city-scale layer, a bespoke workflow, or the engine inside your own environment.

  • City deployments A whole territory prepared once, served continuously.
  • Bespoke workflows Your standard, your report format, your acceptance criteria.
  • Co-development We build the piece that is missing, with your team.
Territory-scale continuous model
Territory · 65 × 49 km · one model

03

Four ways in.

All four run on the same engine. Pick the one that sounds like your week.

Not sure? The free tier runs the same engine →

“infrared.city allows us to test design options early on — it helps the designers make informed design decisions from the onset.”
Herman Calleja — Sustainability Lead, Skidmore, Owings & Merrill
“Real-time analysis that integrates directly into our design software — something most other tools simply can’t offer.”
Alex Nakivell — Designer, SvN Architects + Planners
“Rapidly optimizes design options for the best environmental outcomes — real value to our projects and design process.”
Aaron Bud — Principal & Director, SvN Architects + Planners

04 · Validation

Fast, and honest about it.

  • 0.3 s
    Wind
  • 4 s
    Ped. comfort
  • < 5 s
    Thermal
  • ~20 s
    35-tile district
ModelMeasured againstStatus
Thermal comfort2–4 K RMSE on temperate built-up scenes, no per-site calibrationValidated
WindHigh agreement against held-out CFD; benchmarked against AIJ wind-tunnel measurementsScreening
Daylight sky modelByte-for-byte identical to the Radiance referenceExact
Per-model studiesUnderway; a consolidated overview is in preparationIn progress
Thermal comfort at street level
Thermal comfort · UTCI 14:00

Tiles run in parallel — a district costs barely more time than a single site. Timings are typical and vary with connection.

Screening-grade. Good enough to compare options and find problems — not a certified measurement. We say so because it is what makes the rest trustworthy.

05 · Live

A whole city, updated through the day.

The layer answers street by street, 72 hours ahead — and with the what-if engine you plant trees and watch the answer change.

Vienna · 160 km² · 1 m · 72 h

Open live.infrared.city

06

Run something today.

One token currency across platform, plugins and API · start without a credit card · paid plans billed annually

Free Starter Advanced · most used Pro
€0 €240/yr €6,000/yr
ScaleStudents & small studiesSmall sitesDistrict to city
Tokens / month900 on signup + 200/mo50050,000
≈ analyses / month~20 every month505,000
Price per extra token€0.10€0.04€0.01
AccessPlatform · plugins · APIEverything · 10 req/sEverything · 60 req/s
ExtrasSame engine, same accountAll simulation modelsHighest throughput
Start free Choose Choose

Every plan buys top-up packs at its own discount — list rate €0.10 per token · one analysis = 10 tokens · pay only for the area you study

Something bigger?

Custom digital twin · live layer for your city · co-development

Talk to us