# HVAC Builder (hvacbuilder.app)

Draws and solves HVAC systems from typed parts in the browser, then simulates them over a year of weather.

- Atlas card: https://inite.ai/en/atlas/hvacbuilder.app
- Site: https://hvacbuilder.app
- For: HVAC engineers designing, solving and simulating air, water and refrigerant systems in the browser
- Categories: dev
- Use 0/100 · alive 100/100

## Used for

- draw and solve a packaged rooftop unit
- simulate a building over a typical weather year
- compare control strategies across months and peak conditions

## Price

- from 15 USD/month, free plan (read 2026-10-24 on https://hvacbuilder.app/pricing)

## For developers

- API docs: https://hvacbuilder.app/reference
- MCP server: app.hvacbuilder/hvac-builder (namespace; auth on 2026-10-24)
- Read 2026-10-24

## MCP server, measured daily

Server: https://hvacbuilder.app/api/mcp, checked every day since 2026-10-24 (3 checks).

- Answered: measuring, 3 daily checks so far
- Median first answer: 513 ms
- Sign-in: OAuth (the client signs the user in)
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Training on your data: no (https://hvacbuilder.app/privacy)
- Read 2026-10-24

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Source: INITE Atlas, https://inite.ai/en/atlas/hvacbuilder.app. JSON: https://inite.ai/api/atlas/hvacbuilder.app. MCP: https://inite.ai/api/mcp (atlas_lookup).