• HEATING
  • COOLING
  • DATA
  • HUMAN

How to calculate residential thermal loads with your AI

Connect this MCP to your agent to turn building specifications into precise BTU/h requirements.

Ask AI about this page

Short answer

How can I use AI to find residential thermal loads?

You give your agent the building's envelope details and occupancy numbers. It then calculates the exact BTU/h needed for both heating and cooling. You'll get specific load requirements for the space.

The results you get.

Calculated load requirements.

Your agent processes your building data into these specific outputs.

HEATING

Heating demand totals

The AI calculates heat loss based on your envelope. You get the BTU/h needed to maintain warmth.

COOLING

Cooling load requirements

The AI determines heat gain from occupants and the building shell. This provides the BTU/h needed for cooling.

DATA

Load summaries

The AI compiles the heating and cooling numbers. You get a clear set of requirements for equipment sizing.

HUMAN

Final verification

The AI provides the math for your review. You must still perform the final check before selecting equipment.

The workflow

What your AI does when the data arrives.

Your agent handles the heavy lifting of the thermal math.

  1. Analyze building specs

    Your agent reviews the insulation, window, and orientation data you provide.

    calculate_heating_demand

  2. Determine heat loss

    The AI calculates how much energy is needed to offset heat escaping the structure.

    calculate_heating_demand

  3. Determine heat gain

    The AI calculates how much heat enters the building from external and internal sources.

    calculate_cooling_demand

  4. Consolidate loads

    The AI brings the heating and cooling results together into a single set of requirements.

    calculate_heating_demandcalculate_cooling_demand

Try it

Copy these to start.

Use these prompts to begin your calculations.

Starting points

Swap the bracketed text for your actual building specs like square footage or R-values.

HVAC Load Calculator Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_qbR2bTsa8UkgLE5JKBNOyFoz3rMGTCKIbqa5tiKl/mcp

Claude Desktop

Follow the steps below to connect in seconds.

  1. 1In Claude Desktop, open Settings → Connectors.
  2. 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
  3. 3Click Add and start a new chat — HVAC Load Calculator capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "hvac-load-calculator-manual-j-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_qbR2bTsa8UkgLE5JKBNOyFoz3rMGTCKIbqa5tiKl/mcp"
    }
  }
}
Copy into chat04

  • Calculate the heating demand for a 2,000 sq ft home with R-19 wall insulation.

  • What is the cooling demand for this building based on these occupancy numbers?

  • Run both heating and cooling demand calculations for the project in my spreadsheet.

  • Use the heating demand tool for a house with these specific envelope details.

  • Claude
  • ChatGPT
  • Cursor
  • VS Code
  • Windsurf
  • Claude Code
  • JetBrains
  • Cline

Start here

Connect HVAC Load Calculator (Manual J) once, then ask.

Connect once to give your agent access to these tools. The full walkthrough is on the Connector page.

Connect HVAC Load Calculator (Manual J) to your AI

FAQ

How this task behaves.

  • 01

    Can the AI select the actual HVAC unit for me?

    No. The AI calculates the required BTU/h, but you must choose the specific equipment.

  • 02

    Does the AI change my original building data?

    No. The AI only reads your data to perform the math; it does not modify your files.

  • 03

    Can I use this for commercial buildings?

    Yes, provided you supply the correct envelope and occupancy data for the commercial space.

  • 04

    Will the AI create a PDF report?

    No. The AI provides the calculated values in the chat for you to copy.

  • 05

    Can the AI design the ductwork layout?

    No. The tools are limited to calculating heating and cooling demand.

  • More questions about HVAC Load Calculator (Manual J)? The Connector page answers them. See everything the HVAC Load Calculator (Manual J) Connector can do

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