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Sample № 04 — water heater research

Buying a water heater, the boring-but-right way.

A worked example. Copy the prompt, paste it into the AI tool you use, and follow what it asks back.

The homeowner problem

“I need a replacement water heater.”

Guide · Product Research

What the AI will produce

  • Constraints list — fuel, vent, capacity, clearances, connection types.
  • Code + permit triggers for your jurisdiction (flagged, not assumed).
  • Sizing recommendation based on household size and usage.
  • Warranty comparison framework.
  • Installation requirements — who can install + required safety devices.
  • Recall + class-action history flags for major brands.
  • Comparison table of 2-3 options against your constraints.
  • Questions for your plumber or product support.

Example interaction

The expensive question

“Heat pump water heater or like-for-like gas replacement?” Heat pump is 60-70% more efficient but needs ambient air space, a condensate drain, and 240V wiring. The AI walks through whether your install location supports it — and what permits change.

The compliance trap

Many jurisdictions now require an expansion tank, a pan and drain to an approved location, earthquake straps (in seismic zones), and a sediment trap on gas lines. A “cheap install” that skips these doesn’t pass inspection and may void warranty.