subspace-lab/heatpump-mcp-server
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A Model Context Protocol (MCP) server for residential heat pump sizing, cost estimation, and cold-climate performance verification, designed for use with AI assistants like Claude Desktop, Claude Code, Cursor, and other MCP clients.
Tools
Functions exposed to the LLM to take actions
calculate_heat_pump_sizing
Single-zone BTU sizing with humidity considerations.
calculate_multi_zone_sizing
Floor-by-floor load calculations for complex homes.
estimate_energy_costs
Bill comparison and 10-year payback analysis.
check_cold_climate_performance
Verify capacity at design temperature.
get_electricity_rate
Fetch current electricity rates by ZIP code.
list_heat_pump_models
Browse 81 heat pump models with specs.
Prompts
Interactive templates invoked by user choice
No prompts
Resources
Contextual data attached and managed by the client