OKC HVAC Calculator | Repair or Replace Decision Tool

Use the free OKC HVAC Calculator to see whether repairing or replacing your heating or air system ma

CommunityDegradedNo sign-inGlobalFreeRead-only

What it can do

    What data it sees

    Do you need an account

    No: the server works without sign-in

    Use the free OKC HVAC Calculator to see whether repairing or replacing your heating or air system ma

    How to connect

    How to connect OKC HVAC Calculator | Repair or Replace Decision Tool to Claude

    The server address to paste into Claude settings:

    https://okchvaccalculator.com/mcp

    1. Open Claude (claude.ai or the desktop app).
    2. Go to Settings → Connectors.
    3. Click Add custom connector.
    4. Paste the server address copied below into Remote MCP server URL and click Add.
    5. In a chat, click + → Connectors and switch the new connector on.

    Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

    Authorization

    After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

    How to connect OKC HVAC Calculator | Repair or Replace Decision Tool to ChatGPT

    The server address to paste into ChatGPT settings:

    https://okchvaccalculator.com/mcp

    1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
    2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
    3. Open Settings → Connectors and click Create.
    4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
    5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
    6. In a new chat open + → Apps/Connectors and enable the connector.

    OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

    Authorization

    On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

    How to connect OKC HVAC Calculator | Repair or Replace Decision Tool to Cursor

    The server address to paste into Cursor settings:

    https://okchvaccalculator.com/mcp

    Fastest: click Open in Cursor below and confirm the prompt.

    Manually:

    1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
    2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
    3. Save the file. The server appears in the MCP list; authorize it there if asked.

    Authorization

    If the service needs sign-in, an authorize button appears next to the server in the MCP list.

    Server tool list (8)

    Raw names from tools/list. Only developers need these.

    get_okc_hvac_business_infoGet business information for the OKC HVAC Calculator, powered by Covington Heat & Air (name, phone, email, website, service area).
    get_repair_or_replace_tool_infoGet metadata about the repair-or-replace decision tool: what it does, assumptions, thresholds, fees, and its input schema.
    run_hvac_repair_or_replace_analysisRun the repair-or-replace decision engine and return a recommendation (REPAIR, REPLACE, DEPENDS, or IMMEDIATE_SERVICE) with reasoning and a multi-year cost comparison. Estimates only. Final diagnosis, equipment recommendations, availability, and pricing require an on-site evaluation.
    search_hvac_decision_contentSearch published HVAC insights articles by keyword, category, or author. Returns matching article summaries.
    get_hvac_articleGet the full content of a single published HVAC insights article by its slug, including its direct answer and FAQ.
    get_okc_hvac_service_areaGet the Covington Heat & Air service area, and optionally check whether a given city or ZIP is covered.
    submit_covington_lead_requestSubmit a lead (contact request) to Covington Heat & Air. Requires an API key and explicit user consent.
    submit_covington_booking_requestSubmit a booking (appointment) request to Covington Heat & Air. Requires an API key and explicit user consent.