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A document parser that handles invoicing end to end and hands a human the exceptions rather than the queue. Aimed at hvac & plumbing field supervisors, going after the low-value tail everyone else skips.
In short: Invoice Engine for HVAC & plumbing, Run by Extraction is a document parser aimed at hvac & plumbing field supervisors, covering invoicing. It scores 71/100 on AltF Ideas, carried by demand (93) and held back by monetisation (53). Typical pricing is $11k–$162k per customer per year, with a first version reachable in about a month for $7.0k–$24k.
HVAC & plumbing teams lose invoices assembled from four systems by hand. A typical hvac & plumbing operation runs this on people, memory, and a shared spreadsheet. Whoever knows how it works becomes a single point of failure.
Invoicing handled by a document parser, with a human signing rather than writing. Revenue is managed service, which suits a buyer who wants the cost to track the value rather than the seat count.
| Total addressable market | $619M |
|---|---|
| Category growth (CAGR) | 14% |
| Annual contract value | $11k – $162k |
| Pricing model | Managed service |
| Time to first revenue | 83 days |
| Startup cost to MVP | $7.0k – $24k |
| Build effort | ~1 month |
Document parsing stopped needing per-layout templates. HVAC & plumbing is growing at roughly 16% a year, and this job has not been re-tooled since it was designed around paper.
| Who | The gap |
|---|---|
| An internal hire | Works until volume doubles, then breaks again |
| An offshore back office | Cheaper per hour, but does not scale down to the tail |
| The incumbent suite | Sells a platform; this job is one neglected module inside it |
The buying cycle is slower than the build, so runway assumptions matter more than code.
An idea you cannot act on is entertainment. Four concrete steps, wired to tools already running on AltFTool.
Score problem urgency, willingness to pay, and reachable audience size before writing any code.
→ AltF IdeaLabAsk how they handle this today and what it costs them. If nobody can quantify the pain, the demand score is optimistic.
→ Survey BuilderCheck availability, DNS, and email authentication in one pass so your first outreach lands in an inbox.
→ AltF DomainOpsStand up intake, the review queue, and billing before you build the clever part.
→ AltF Flow