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Why your AI keeps writing blog posts that could be about anyone

Rob Floyd5 min read
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You asked ChatGPT to write a blog post for your HVAC company. It came back grammatical, on-topic, and completely indistinguishable from a post for any other HVAC company in any other market.

The generic-ness isn't a tone problem. It's an information problem. The model has no idea who your customers are, what your service area looks like, what jobs you actually do, or what your last 200 reviews said. It's writing from the average of every HVAC blog post that was ever public on the internet.

RAG
Retrieval-Augmented Generation

The technique that lets a large language model write from your facts instead of the public-internet average. Not magic. Not complicated. Just architecture done in the right order.

The reframe

The model isn't the problem. The context is.

A generic blog post is a symptom of generic input. The base language model has been trained on a few trillion words of public text. That training gives it grammar, vocabulary, and a sense of what HVAC content "sounds like." It doesn't give it any information about your company, your customers, or your market.

When you ask it to write a post and don't give it any specific facts, it writes from the only thing it has — that statistical average. Which is why every AI-generated HVAC post ends up sounding the same.

RAG is just: look up the relevant facts first, then write. The "looking up" is the whole trick.

How it actually works

Three steps, no magic

  1. Index your real facts. Your past blog posts, your service descriptions, your case studies, your review responses, your internal SOPs — anything you wrote that captures how your business actually talks. This becomes your knowledge base.
  2. Retrieve before writing. When you ask for a new post on "common furnace problems," the system first searches your knowledge base for relevant facts — specific repairs you've done, your service area, the brands you carry, your pricing approach.
  3. Generate with the facts attached. Now the model writes with your specific information in its working context. The result reads like your company wrote it, because the facts the writing is built on are actually yours.

That's the whole architecture. The technical complexity is in tuning each step well — but the conceptual model is just "look it up before you write."

What it costs

Less than the coffee budget

Indexing a few hundred of your past documents into vector embeddings — the data structure that lets the system search by meaning rather than by keyword — costs about a dollar one time. Querying it for each new piece of content costs fractions of a cent per request. The full stack for a small business knowledge base runs in the $20–50/month range, sitting on the same infrastructure that handles the rest of your application.

Not free. But also not a budget item that requires a board meeting.

The fix

Stop asking the model to know your business. Brief it instead.

This is the underlying mechanic that makes AI content stop sounding generic: the model isn't learning your business. It's getting briefed on it, every time. The brief comes from a structured knowledge base of your real facts. The output is specific because the input is specific.

Most "AI content" products you can buy off the shelf skip this step entirely — they're using the base model with generic prompts. The output is exactly what you'd expect. The fix is to do the boring work of building the knowledge base first, then layering generation on top.

Schedule a call if you're tired of AI content that could be about anyone.

Tired of AI content that could be about anyone?

If any of this sounded like the week you just had, that's the conversation I have nearly every day with owners in your position.

Schedule a Call →

Sources: McKinsey State of AI 2025 · BrightLocal Local Consumer Review Survey 2024 / 2026 · Invoca Home Services Call Analytics 2024 · Salesforce SMB Trends 2025 · Forrester B2B Buying Journey 2022 · Gartner B2B Buyer Behavior 2024 · Demand Gen Report 2024 · Apten / Hatch Speed-to-Lead Benchmarks 2026 · ReplyOnTheFly Google Review Response Benchmark 2026 · Panko (University of Hawaii) spreadsheet error research · SHRM AI in Onboarding 2024.

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