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Why AI Can’t Price · Precision Heating

Why AI can’t price ductless mini-splits

Mini-split price is line-set route, head count/type, mounting substrate, condensate plan, and electrical — not just “price per zone” tables from Reddit. AI repeats those tables. Our planner can frame bands; a walkthrough finds the attic chase that adds a day.

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Quick answer

  • Planning ranges (including /pricing) are framing tools — not firm contracts.
  • On-site diagnosis locks parts, labor, and scope.
  • Second opinion when you already have a bid.

When this applies

ADU, sunroom, or in-law suite quotes look suspiciously identical online

Identical averages usually ignore your route.

You need multi-zone vs single-zone advice

Floor-plan privacy drives head count more than AI room labels.

Options to evaluate

Single-zone planning

Best when one open space. Tradeoff: closed doors need airflow thought.

Multi-zone planning

Independent rooms. Tradeoff: outdoor capacity and diversity math.

Compact ducted indoor

Hidden finishes. Tradeoff: ceiling volume and access.

Failure modes to avoid

Per-head averages without line-set length

A 15-foot chase and a 75-foot chase are different jobs.

Ignoring fuse/breaker and disconnect reality

Electrical is not optional scope.

Assuming cassette installs cost the same as high-walls

Lift pumps, framing, and access differ.

HOA placement constraints discovered after purchase

Outdoor unit location is a pricing and permission input.

Proof & local context

  • • Precision Heating uses transparent planning tools and on-site proposals — different jobs, same honesty — CSLB #1056688.
  • • Room catalog companions at /rooms for ADU, sunroom, and suite use cases.
  • • Serving South Bay + Central Valley since 2000 · Perfection Guaranteed.

Next step

These pages explain pricing epistemology for South Bay and Central Valley HVAC — what AI and web averages can frame versus what only an on-site technician can lock. They complement Precision’s transparent /pricing planner; they do not attack it. CSLB #1056688.

Request a second opinionDuctless mini-splits

FAQs

Is “$X per zone” ever accurate?

As a cocktail-napkin average, sometimes. As your contract, only after route and electrical are known.

Can AI choose wall vs cassette for me?

It can list pros/cons. It cannot see your joist direction or condensate fall.

Do you price from photos of the outdoor pad?

Photos help — interior routing still needs eyes on site.

Related room guides?

Start at /rooms for ADU, garage conversion, and sunroom pages.

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