Marine-Grade Electrical
Xantrex Energy 3,000W inverters, smart lithium battery banks, and custom pre-loomed wiring harnesses built for continuous off-grid load.
- Xantrex inverters / Outback Chargers
- Smart lithium banks
- Pre-loomed harnesses
Sprinter · Transit · Promaster
Custom Off-Grid Vans, Engineered for the Long Haul.
Bespoke Sprinter conversions built with marine-grade 12V electrical systems, professional cabinetry, and uncompromising precision.
100% Client-Funded • Built to RVIA/NFPA Safety Standards
Engineering Highlights
Built like equipment, not furniture.
Every system is specified, documented, and load-tested before the keys go back in your hand.
Precision Woodwork
Professional cabinetry, lightweight structural framing, and durable hardware that stays tight after a hundred thousand miles of vibration.
- Furniture-grade cabinetry
- Weight-optimized framing
- Commercial hardware
Off-Grid Climate & Water
Sealed diesel heaters, filtered water manifolds, and winterized plumbing systems engineered for four-season travel.
- Sealed diesel heat
- Filtered water manifold
- Winterized plumbing
The Build Process
Four phases, fully documented.
- 01
Consult & CAD Layout
Custom 3D layout design and power budget mapping tailored to how you actually travel.
- 02
Component Sourcing
Procurement of wholesale appliances, solar, and chassis upgrades at builder pricing.
- 03
Precision Build
Professional fabrication, wiring drop-ins, and finish carpentry with weekly photo updates.
- 04
Handoff & Walkthrough
In-person system training plus comprehensive as-built documentation and wiring diagrams.
Build Tiers
Transparent build estimates.
Estimates reflect typical scope on a 144" wheelbase chassis. Final pricing is locked after the CAD layout phase.
The Weekender
$20,000Minimalists, weekend warriors & climbers
- 100% bespoke layout design
- 250Ah lithium battery bank
- Solar array & shore power hookup
- Premium four-season insulation
- Roof ventilation fan
- Custom kitchen galley block
- 12V chest or upright fridge
- Hand-crafted cabinet storage
The Explorer
Most Built$25,000Off-grid campers wanting self-sufficiency
- Everything in The Weekender, plus:
- Upgrade to 500Ah battery bank
- Integrated plumbing: cold water sink with fresh & gray tanks
- Single burner induction cooktop
- Mass-loaded sound deadening
- DC-DC alternator charging
The Basecamp
$35,000Full-timers & luxury travelers
- Everything in The Explorer, plus:
- Upgrade to 750Ah battery bank
- Hot water system routed to sink & shower
- Custom indoor wet bath/shower
- Webasto/Espar cabin heater
Past Builds
Conversions off the shop floor.
Client Intake
Start your build request.
We take a limited number of conversions per year so every chassis gets full shop attention. Tell us about your project and we'll follow up with a scoped estimate and current queue availability.
- Response within two business days
- Free power budget review on qualified builds
- No deposit required to receive an estimate