inparlor.
DevelopmentFor Solar Installers

Custom Software Development for Solar Installers.

Custom software that replaces the spreadsheets and duct tape, shipped in quarters, not years. Designed and shipped for solar installers, not generic templates with solar installers swapped in.

Why this matters

Why solar installers need Custom Software built around their unit economics.

Most solar installers are operating on sites or software stacks built three to five years ago for a different version of the buyer. Proposal and system-design tools don't talk to the CRM, so reps rebuild the same customer data three times per deal. The infrastructure decisions that compound are the ones made with the operator in the room, not the ones made in a vacuum.

Inparlor's Custom Software Development engagement for solar installers reflects that. We build custom software for the work no off-the-shelf tool fits: operations platforms, customer portals, internal tools, and multi-tenant systems that talk to your Stripe, Salesforce, or HubSpot data. The deliverables below are scoped against the unit economics, avg install ticket of $20,000-$45,000.

Where most agencies treat solar installers as another vertical to learn on, we treat the vertical as the starting point. Long 60-120 day pipelines run on spreadsheets, so prospects go cold between design, financing, and install. We will tell you on the first call which of those constraints is binding and which is solvable inside the engagement.

What we deliver

Scope built for solar installers.

  • Two-week paid discovery with a fixed-bid proposal at the end
  • Architecture diagram and data model
  • Authentication via Clerk, WorkOS, or Auth.js
  • Postgres database with migrations
  • Admin dashboard and role-based access control
  • REST or tRPC API with typed contracts
  • Stripe billing integration when relevant
  • Background jobs via Inngest or Trigger.dev
Solar Installers benchmarks

Real numbers from the vertical.

1-3 days

Proposal turnaround time

3-6 hrs

Paperwork hours per deal

$20,000-$45,000

Avg install ticket

60-120 days

Design-to-install cycle

48 hours

Custom Software proposal turnaround

Our Solar Installers-specific approach

How Custom Software runs in solar installers, operationally.

  • Paid discovery before any fixed bid

    Two weeks, scoped and paid. We map the workflow, talk to operators, and write a wireframe pack you can use even if you do not hire us. The bid that follows is a number, not a range.

  • Auth, billing, and roles solved on day one

    Clerk or WorkOS for auth. Stripe for billing. Role-based access control from the first sprint. These are solved problems and we do not re-solve them every engagement.

  • Postgres until you have a reason to leave

    Boring works. Postgres covers 95% of operator workloads. The migration to something exotic is real but cheap if you ever need it, and most teams never do.

  • Observability is not a phase-two project

    Sentry, Axiom, and a feature-flag layer ship with the first sprint. You cannot debug what you cannot see, and we will not hand off code we cannot diagnose.

FAQ

Solar Installers buyers ask us this most.

Ready to start?

Get a proposal for Solar Installers custom software.

We respond within 48 hours with scope, pricing, and the team that would actually run the engagement.

Get a proposal

Or explore the full Custom Software Development page · Solar Installers hub