AI for Trades & Home Services · Module 3 of 11

Custom GPT for HVAC Estimates

ChatGPTBeginner~8 min practice16 steps

OpenAI is retiring custom GPTs on December 11, 2026 and replacing them with plugins. Here’s how to save yours →December 11, 2026 is the scheduled retirement date in OpenAI’s custom GPT retirement FAQ for Enterprise workspaces; OpenAI says other plans may follow the same timeline. Checked October 17, 2026.

Why this matters

Robert’s intro to this module

Practice

Do every step yourself in a practice copy of the real tool. It checks your work, and “Do it for me” finishes any step you get stuck on.

ChatGPTCustom GPT for HVAC Estimates16 steps · ~8 min · nothing touches your real accounts

Start the practice →

Up next · Module 4

Custom GPT for Plumbing Quotes

Next in this course: Custom GPT for Plumbing Quotes.

Start module 4 →