Van Conversion Budget Breakdown: What Each System Costs
Every van conversion is made up of five core systems. Here's what each one costs and what you get at every price point.
A van conversion breaks down into five systems: electrical ($3,000–$15,000+), plumbing ($2,000–$8,000+), interior ($5,000–$20,000+), exterior ($2,000–$10,000+), and climate control ($1,000–$5,000+). At Emery Custom Builds, we quote every system individually so you see exactly where your money goes. Total builds range from $30K–$50K (Basic) to $80K–$120K+ (Premium), with labor included in every number.
When we quote a van conversion at Emery Custom Builds, we break the cost down by system. You see exactly what each piece costs — electrical, plumbing, interior, exterior, and climate control. No bundled pricing, no guessing where the money went.
Here's a detailed look at each system, what it includes, and how costs scale from a basic setup to a premium build. These are general ranges — your actual quote will be based on your specific layout and component choices.
How much does a van electrical system cost?
The electrical system is the backbone of your van. Everything runs on it — lights, fridge, water pump, outlets, USB charging, and whatever else you plug in. The cost depends on battery capacity, solar panel wattage, inverter size, and how many circuits you need.
Basic Electrical: $3,000–$5,000
200Ah lithium battery, 200W solar, 1000–2000W inverter, shore power hookup, DC-DC charger from alternator, LED lighting, USB outlets, basic fuse panel. Enough power for lighting, a 12V fridge, phone charging, and a water pump. Good for weekend and short-trip use.
Standard Electrical: $5,000–$10,000
300–400Ah lithium, 300–400W solar, 2000–3000W inverter, shore power with 30A hookup, DC-DC charging, full circuit breaker panel, multiple lighting zones, AC outlets throughout. Can run a microwave, induction cooktop, and charge laptops while off-grid. Solid for full-time living.
Premium Electrical: $10,000–$15,000+
400Ah+ lithium, 400W+ solar, 3000W+ inverter, full shore power integration, DC-DC charging, complete monitoring system, smart switching, dedicated circuits for every appliance. Runs AC, induction cooking, washer/dryer, and heavy loads simultaneously. The difference at this level is integration quality and future-proofing, not just raw capacity.
How much does van plumbing cost?
Plumbing ranges from a simple sink setup to a full wet bath with hot and cold water. The cost depends on how much water infrastructure you want.
Basic Plumbing: $2,000–$3,500
Freshwater tank (15–25 gallons), 12V water pump, kitchen sink, grey water tank, basic drain plumbing. Pressurized water to the sink. No water heater, no shower. Simple, functional, easy to maintain.
Standard Plumbing: $3,500–$6,000
Larger freshwater tank (25–40 gallons), tankless water heater, kitchen sink with hot and cold, outdoor shower hookup, grey water tank with proper drain valves. Hot water on demand makes a huge quality-of-life difference — especially for dishwashing and cold-weather trips.
Premium Plumbing: $6,000–$8,000+
Full wet bath or dedicated shower stall, larger tanks (40+ gallons fresh), composting or cassette toilet integration, hot and cold to all fixtures, accumulator tank for steady pressure. This is the full home-on-wheels plumbing setup.
How much does a van interior buildout cost?
The interior is usually the single biggest line item. It covers insulation, wall and ceiling paneling, flooring, bed platform, all cabinetry, countertops, and lighting. The cost gap between basic and premium is mostly about material quality and craftsmanship — laminate versus hardwood, flat-pack versus custom-fitted furniture.
Basic Interior: $5,000–$8,000
Thinsulate insulation, lightweight wall/ceiling paneling (luan or similar), vinyl plank flooring, fixed bed platform with storage underneath, basic cabinetry (Baltic birch or similar), laminate countertops, LED strip lighting. Clean, functional, and durable.
Standard Interior: $8,000–$14,000
Better paneling options, tongue-and-groove ceiling, upgraded flooring, convertible bed/dinette, more cabinetry with soft-close hardware, solid surface countertops, layered lighting (task, ambient, accent). More storage, better ergonomics, higher finish quality throughout.
Premium Interior: $14,000–$20,000+
Hardwood accents and trim, custom-built furniture, butcher block or stone countertops, premium flooring, integrated lighting with dimmers, custom storage solutions, and an overall fit and finish that feels like a high-end tiny home. This is where craftsmanship shows.
How much do van exterior modifications cost?
Exterior work is often overlooked in early budgeting, but it adds up. Roof racks, ladder, fan installation, bumper mods, and any exterior lighting or storage all fall under this category.
Basic Exterior: $2,000–$4,000
Roof fan install (MaxxAir or similar), basic roof rack, rear ladder. Functional modifications that most builds need.
Standard Exterior: $4,000–$7,000
Full aluminum roof rack, solar panel mounting, rear ladder, awning, exterior lighting, side-mount storage box, improved bumper. More capability for outdoor living and gear storage.
Premium Exterior: $7,000–$10,000+
Custom steel or aluminum bumper, swing-out tire carrier, exterior kitchen setup, full awning system, heavy-duty roof rack with crossbars, multiple exterior lights, and any custom fabrication work.
How much does van climate control cost?
Climate control keeps your van comfortable year-round. At minimum, you need a good vent fan. Add a diesel heater for cold weather and optional AC for summer heat.
Basic Climate: $1,000–$2,000
MaxxAir or similar vent fan with rain cover. Moves a huge amount of air, works as both intake and exhaust. Essential for any build — controls moisture, cools the van when it's warm, and pairs with open windows for cross-ventilation.
Standard Climate: $2,000–$3,500
Vent fan plus a diesel heater (Webasto, Espar, or similar). The diesel heater runs on the van's fuel tank and keeps the van warm down to well below freezing while using minimal battery power. This combo covers most van lifers in most climates.
Premium Climate: $3,500–$5,000+
Vent fan, diesel heater, plus a roof-mounted or under-bench AC unit. AC in a van requires serious electrical capacity (large battery bank, high-capacity inverter), which is why it's typically a premium-tier addition. Worth it if you spend time in hot, humid climates.
What does a full van conversion cost when you add it all up?
Adding it all up, here's how the systems stack at each build tier:
| System | Basic | Standard | Premium |
|---|---|---|---|
| Electrical | $3K–$5K | $5K–$10K | $10K–$15K+ |
| Plumbing | $2K–$3.5K | $3.5K–$6K | $6K–$8K+ |
| Interior | $5K–$8K | $8K–$14K | $14K–$20K+ |
| Exterior | $2K–$4K | $4K–$7K | $7K–$10K+ |
| Climate | $1K–$2K | $2K–$3.5K | $3.5K–$5K+ |
| Approximate Total | $30K–$50K | $55K–$75K | $80K–$120K+ |
These are approximate ranges. Your actual quote will reflect your specific layout, component choices, and build complexity. Labor is included in all numbers.
Frequently Asked Questions
How much does a van electrical system cost?
Van electrical systems range from $3,000 to $15,000+. A basic setup with 200Ah lithium and 200W solar runs $3K–$5K. A full system with 400Ah+, large solar array, and 3000W inverter runs $8K–$15K.
What does van plumbing cost?
Plumbing costs $2,000 to $8,000+. A basic sink setup runs $2K–$3.5K. A full system with hot water, outdoor shower, and wet bath runs $5K–$8K+.
Which system costs the most?
The interior is typically the most expensive system ($5K–$20K+) because it includes insulation, paneling, flooring, all cabinetry, countertops, and finish work. Electrical is usually second.
Can I save money by skipping systems?
Yes. Not every build needs maximum capacity in every system. If you camp near hookups, a smaller battery bank saves thousands. No shower? Plumbing drops significantly. We build to your actual needs.
Do these costs include labor?
Yes. All numbers include both materials and labor. We don't quote materials separately from installation — you get one transparent number per system.
Want a Real Quote?
Tell us what you need in each system and we'll give you exact numbers. Every quote is broken down by system so you know where every dollar goes.
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