Use HVAC Load Calculator with your AI.
Connect your account once and let the AI you already use work with it, without building another integration. Calculate heating and cooling loads in BTU/h and Tons using simplified Manual J standards.
Developed, maintained, and hosted by Vinkius.
MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED
Waiting for input…
Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.
Complete set · 3 capabilities
The complete HVAC Load Calculator capability set.
These are the exact actions your AI can choose when you ask it to work with HVAC Load Calculator.
01-03
3 capabilities in this set.
Part of 3 available through HVAC Load Calculator.
- 01
Calculate cooling demand
Calculates the cooling load in BTU/h and Tons
- 02
Validate equipment capacity
Evaluates if an HVAC unit capacity is sufficient
- 03
Calculate heating demand
Calculates the heating load in BTU/h
Observed, not estimated
650ms average. Fast in production.
HVAC Load Calculator is checked daily against the live service.
- Fastest day
- 483ms
- Slowest day
- 781ms
- 14-day trend
- Slowing+19%
Connect your client
One URL. Every client.
Activate the Connector, copy your link, and paste it into the client you already use. 3 capabilities arrive ready to run.
Preview access · not provider authentication
The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of HVAC Load Calculator, so you can see the experience inside your AI.
It does not authenticate your account with HVAC Load Calculator. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
HVAC Load Calculator Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_qbR2bTsa8UkgLE5JKBNOyFoz3rMGTCKIbqa5tiKl/mcpClaude Desktop
Follow the steps below to connect in seconds.
- 1In Claude Desktop, open Settings → Connectors.
- 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
- 3Click Add and start a new chat — HVAC Load Calculator capabilities are ready to use.
{
"mcpServers": {
"hvac-load-calculator-manual-j-mcp": {
"url": "https://edge.vinkius.com/vk_preview_qbR2bTsa8UkgLE5JKBNOyFoz3rMGTCKIbqa5tiKl/mcp"
}
}
}
Claude
ChatGPT
Cursor
VS Code
Windsurf
Claude Code
JetBrains
Cline
Step-by-step instructions for each client are in the guide. How to connect
FAQ
Questions HVAC Load Calculator owners ask.
- 01
What does the calculate_heating_demand capability do?
It determines the total heating capacity required (in BTU/h) by considering the conditioned area, insulation level, and IECC climate zone.
- 02
How can I check if my HVAC unit is large enough?
Use the validate_equipment_capacity capability by providing the required heating load, required cooling load, and the nominal BTU capacity of your unit.
- 03
Does the cooling calculation include solar gain?
Yes, the calculate_cooling_demand capability accounts for solar radiation through window areas in all four cardinal directions.
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