Two Different Cost Models, Not Two Versions of the Same Cost
An in-house setter's per-watt commission, $0.05 to $0.15 per watt, is paid on the deal, not the appointment (Everstage). If the appointment does not close, the setter earns nothing on that specific deal. A bought appointment flips that risk: you pay a fixed price per sit whether or not the homeowner signs. Neither model is wrong. They allocate risk to different places, and the right one depends on whether you already have appointment volume feeding your setters or whether that volume is exactly what you are missing.
What an In-House Setter Actually Costs
On a 12 kilowatt system, close to the roughly $31,135 average system EnergySage cites for early 2026 (EnergySage), a setter's per-watt commission works out to $600 to $1,800 per closed deal (Everstage). That is the visible number. The hidden cost is what feeds that setter's calendar in the first place: canvassing, referrals, or purchased leads, competing against a customer acquisition cost forecast to spike 40% to $0.84 per watt industry-wide in 2026 (Wood Mackenzie). Unlike roofing canvassers, where ContractorTalk pay threads document a clear hourly base on top of commission, this research did not find a sourced base-wage figure specific to solar setters; most 1099 setter compensation appears to run per-deal only.
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Book a Solar CallWhat Buying Appointments Costs Instead
Booked solar appointments are publicly priced in a fairly tight band across the vendors that disclose pricing at all. RunsForYou lists booked appointments at $150 to $600. Omnivortex prices appointments starting at $400 (RunsForYou, Omnivortex). VA Horizon publishes its own rate directly: a $300 one-time setup, then $249 flat per appointment, exclusive and double-confirmed before your rep ever drives out, with no-shows replaced free. That price is fixed and paid on the sit, not the sale, so it does not shrink or disappear if a given appointment does not close.
The Real Question: Whose CAC Problem Are You Solving?
Sales orgs and dealers, the segment most exposed to redline and dealer-fee compression as CAC rises, are the group most likely to need a cheaper, outsourced way to fill an appointment calendar rather than absorbing the full cost of canvassing or lead-buying themselves. Vertically integrated installers tend to preserve margin better in the same environment and are more likely to buy appointments as a supplement to an existing in-house channel, not a replacement for it. Either way, a financing-agnostic appointment, one that converts whether the homeowner ends up paying cash, financing a loan, or signing a lease or PPA, is worth more in 2026 than a channel optimized purely for loan-qualified buyers, given how fast third-party ownership is taking share.
A Blended Model Is Common, Not a Binary Choice
Plenty of solar sales organizations run both at once: in-house setters working a core territory, plus bought appointments filling capacity in a new market or covering a slow stretch without hiring and managing a second team. The comparison math is the same regardless of which mix you land on: divide the fully loaded cost, per-watt commission plus whatever feeds the setter's calendar, or price per appointment for a vendor, by the closed deals each channel actually produces.
| Channel | Cost structure | Paid on close or on the sit |
|---|---|---|
| In-house setter | $0.05 to $0.15 per watt (Everstage) | On the closed deal |
| RunsForYou booked appointment | $150 to $600 per appointment | On the sit |
| Omnivortex booked appointment | From $400 per appointment | On the sit |
| VA Horizon appointment | $300 setup, $249 per appointment | On the sit, no-shows replaced free |
Setter commission is a range applied per watt of the closed, installed deal. Vendor appointment prices are fixed per booked, kept appointment, paid regardless of whether the appointment converts to a sale.
What this means for you
- A setter costs nothing on a deal that never closes but requires its own funded lead or canvassing pipeline, competing against a CAC forecast to spike 40% to $0.84 per watt in 2026.
- Bought appointments cost a fixed $150 to $600 industry-wide (VA Horizon: $300 setup plus $249 per appointment), paid on the sit, in exchange for a guaranteed, exclusive appointment.
- Sales orgs and dealers are the most CAC-exposed segment and the most likely to benefit from outsourcing appointment volume; vertically integrated installers tend to buy appointments as a supplement, not a replacement.
Sources
The external data in this guide draws on the sources below. Figures described in the text as estimates or industry triangulations are directional and are not attributed to a single dataset.
- Everstage, solar sales commission structure
- EnergySage, solar panel cost data
- Wood Mackenzie, 2026 residential solar CAC forecast
- RunsForYou, solar leads and appointments
- Omnivortex, solar pay per deal