HVAC Load Calculator (Manual J) Connector for AI agents.
3 live capabilities
Get precise residential heating and cooling load calculations for HVAC design.
Waiting for input…
Why people use HVAC Load Calculator (Manual J)
HVAC Load Calculator for Accurate Manual J Thermal Analysis
With this Connector, you just tell your agent the house specs. It handles the math for heat loss and solar gain instantly. You get the exact BTU/h and Ton requirements you need to move forward with confidence.
What Vinkius changes
You get accurate HVAC sizing data without doing the manual math yourself.
Use it from Claude, ChatGPT, Cursor or another AI client you already have.
One account · 6,100+ Connectors
- Real-world use case 01
Calculating solar gain for large windows
A contractor is at a house with huge south-facing windows.
- Real-world use case 02
Validating unit size for a 2000 sq ft home
An engineer needs to know if a 3-ton unit is enough for a specific layout.
- Real-world use case 03
Estimating heat loss for new construction
A designer wants a quick heat loss estimate for a new build.
Complete set · 3capabilities
The complete HVAC Load Calculator (Manual J) capability set.
These are the exact actions your AI can choose when you ask it to work with HVAC Load Calculator (Manual J).
01—03
3 capabilities in this set.
Part of 3 available through HVAC Load Calculator (Manual J).
- 01 Capability
Calculate cooling demand
Calculates the cooling load in BTU/h and Tons for a residential space. It helps you size your AC units correctly.
- 02 Capability
Calculate heating demand
Calculates the heating load in BTU/h for a home. Use this to ensure your furnace or heat pump meets demand.
- 03 Capability
Validate equipment capacity
Evaluates if an HVAC unit's rated capacity is sufficient for the calculated loads. It prevents underpowered system errors.
Set up in minutes
One URL. Then ask HVAC Load Calculator (Manual J) to work.
Claude and ChatGPT only need the Connector URL. Copy it once, add it in settings, and use HVAC Load Calculator (Manual J) from the conversation.
Choose your client
Live previewAdvanced clients IDE · CLI
Claude · Web + desktop
Connector URL · ready to paste
Streamable HTTPhttps://edge.vinkius.com/vk_preview_qbR2bTsa8UkgLE5JKBNOyFoz3rMGTCKIbqa5tiKl/mcp - Step 01
Open Connectors
In Claude Web or Claude Desktop, open Settings and choose Connectors.
- Step 02
Add the URL
Choose Add custom connector, name it HVAC Load Calculator (Manual J), and paste the URL above.
- Step 03
Turn it on in chat
Select +, open Connectors, and enable HVAC Load Calculator (Manual J) for the conversation.
ChatGPT · Web + desktop
Connector URL · ready to paste
Streamable HTTPhttps://edge.vinkius.com/vk_preview_qbR2bTsa8UkgLE5JKBNOyFoz3rMGTCKIbqa5tiKl/mcp - Step 01
Open MCP settings
On desktop, open Settings and MCP servers. On web, open your workspace app or connector settings.
- Step 02
Add the URL
Choose Add server with Streamable HTTP, or create a custom MCP app, then paste the HVAC Load Calculator (Manual J) URL.
- Step 03
Save and start
Save the connection and enable HVAC Load Calculator (Manual J) in your conversation. Desktop may ask you to restart once.
Cursor · IDE configuration
Advanced setup
{
"mcpServers": {
"hvac-load-calculator-manual-j": {
"url": "https://edge.vinkius.com/vk_preview_qbR2bTsa8UkgLE5JKBNOyFoz3rMGTCKIbqa5tiKl/mcp"
}
}
}- Step 01
Open MCP Settings
Press Cmd+Shift+P (macOS) or Ctrl+Shift+P (Windows/Linux) → search "MCP Settings"
- Step 02
Add the server config
Paste the JSON configuration above into the mcp.json file that opens
- Step 03
Save the file
Cursor will automatically detect the new Connector
- Step 04
Start using HVAC Load Calculator (Manual J)
Open Agent mode in chat and ask: "Using HVAC Load Calculator (Manual J), help me...". 3 tools available
VS Code Copilot · IDE configuration
Advanced setup
{
"mcpServers": {
"hvac-load-calculator-manual-j": {
"url": "https://edge.vinkius.com/vk_preview_qbR2bTsa8UkgLE5JKBNOyFoz3rMGTCKIbqa5tiKl/mcp"
}
}
}- Step 01
Create MCP config
Create a .vscode/mcp.json file in your project root
- Step 02
Add the server config
Paste the JSON configuration above
- Step 03
Enable Agent mode
Open GitHub Copilot Chat and switch to Agent mode using the dropdown
- Step 04
Start using HVAC Load Calculator (Manual J)
Ask Copilot: "Using HVAC Load Calculator (Manual J), help me...". 3 tools available
Windsurf · IDE configuration
Advanced setup
{
"mcpServers": {
"hvac-load-calculator-manual-j": {
"url": "https://edge.vinkius.com/vk_preview_qbR2bTsa8UkgLE5JKBNOyFoz3rMGTCKIbqa5tiKl/mcp"
}
}
}- Step 01
Open MCP Settings
Go to Settings → MCP Configuration or press Cmd+Shift+P and search "MCP"
- Step 02
Add the server
Paste the JSON configuration above into mcp_config.json
- Step 03
Save and reload
Windsurf will detect the new server automatically
- Step 04
Start using HVAC Load Calculator (Manual J)
Open Cascade and ask: "Using HVAC Load Calculator (Manual J), help me...". 3 tools available
Cline · IDE configuration
Advanced setup
{
"mcpServers": {
"hvac-load-calculator-manual-j": {
"url": "https://edge.vinkius.com/vk_preview_qbR2bTsa8UkgLE5JKBNOyFoz3rMGTCKIbqa5tiKl/mcp"
}
}
}- Step 01
Open Cline MCP Settings
Click the Connectors icon in the Cline sidebar panel
- Step 02
Add remote server
Click "Add Connector" and paste the configuration above
- Step 03
Enable the server
Toggle the server switch to ON
- Step 04
Start using HVAC Load Calculator (Manual J)
Ask Cline: "Using HVAC Load Calculator (Manual J), help me...". 3 tools available
Claude Code · Terminal command
Advanced setup
claude mcp add hvac-load-calculator-manual-j --transport http "https://edge.vinkius.com/vk_preview_qbR2bTsa8UkgLE5JKBNOyFoz3rMGTCKIbqa5tiKl/mcp"- Step 01
Install Claude Code
Run npm install -g @anthropic-ai/claude-code if not already installed
- Step 02
Add the Connector
Run the command above in your terminal
- Step 03
Verify the connection
Run claude mcp to list connected servers, or type /mcp inside a session
- Step 04
Start using HVAC Load Calculator (Manual J)
Ask Claude: "Using HVAC Load Calculator (Manual J), show me...". 3 tools are ready
Where the request belongs
Work HVAC Load Calculator can move forward.
This is for HVAC contractors, mechanical engineers, and residential designers who need to move fast on estimates without sacrificing the accuracy of a Manual J calculation.
HVAC Contractor
Use this to give customers accurate quotes on a job site without pulling out a calculator.
Mechanical Engineer
Use this to quickly validate equipment selections for residential projects.
Residential Designer
Use this to estimate energy needs during the initial planning phase of a home build.
Build the capability set
Add more capabilities.
Each Connector adds new actions and data without changing how you work.
Browse Connectors
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Energy Efficiency Estimator
Classify your home's energy performance (A-E) and pinpoint specific improvements using building envelope metrics.
Electrical Panel Load Calculator
Calculate residential electrical load requirements based on NEC Article 220 standards to determine panel capacity and conductor sizing.
Thermal Mass Estimator
Calculate thermal lag, amplitude damping, and U-value for wall structures based on material properties.
Insulation R-Value Calculator
Calculate minimum insulation R-values, required thickness, and estimated costs based on IECC climate zones.
Bring your own AI
Change the model, client or framework. Keep HVAC Load Calculator connected.
-
Claude -
ChatGPT -
Gemini -
Cursor -
VS Code -
Windsurf -
ZCode -
Cline -
Zed -
Continue -
Kiro -
Roo Code -
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Vercel AI SDK
Before you connect
Questions about HVAC Load Calculator.
The practical details behind the request, access and result.
Can the HVAC Load Calculator (Manual J) help me size my AC?
Yes, it calculates the cooling load in BTU/h and Tons based on your home's specific features. This helps you pick a unit that actually keeps the house cool without being oversized.
Does this Connector handle window heat gain?
Yes, it factors in window orientation and area to determine solar gain. This ensures your AI client gives you a much more accurate cooling requirement than just looking at square footage.
Can I use the HVAC Load Calculator (Manual J) for heating estimates?
Absolutely. It uses calculate_heating_demand to give you the BTU/h needed to keep a space warm, taking into account insulation and building envelope details.
How accurate are the Manual J calculations in this capability?
It uses simplified Manual J standards to provide reliable thermal load data. It's designed to give you a solid foundation for residential HVAC design and equipment selection.
Will the HVAC Load Calculator (Manual J) tell me if my unit is too small?
Yes, you can use the capacity validation capability. Just tell your agent the load it calculated and the capacity of the unit you're considering, and it will tell you if it's sufficient.
Is this capability good for commercial HVAC projects?
This Connector is specifically designed for residential spaces. For large commercial buildings with complex multi-zone requirements, you'd typically need a more specialized engineering software.
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.
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.
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.
One connection away
Give your agent a direct line to HVAC Load Calculator.
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