Espar Hydronic AquaSystem - On-Demand Hot Water & Cabin Heating System
Espar Hydronic AquaSystem - On-Demand Hot Water & Cabin Heating System
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Why Buy From Driftwood Vans?
Canada's trusted source for premium van heating solutions
Contact us for a free consultation - we'll help you choose the perfect heating solution
Espar Hydronic AquaSystem - Complete Heating & Hot Water System
The ultimate all-in-one solution for van life. The Espar Hydronic AquaSystem combines powerful cabin heating and tankless on-demand hot water in one integrated system - the premium choice for serious four-season van builders.
✓ Ships from our Alberta location - Direct from Driftwood Vans
✓ 100% Canadian stock - No border delays, no surprise duty fees
✓ Professional Installation Services Available - Let our experts handle the install
✓ Full Manufacturer Warranty - Espar-backed quality
✓ Installation Support & Guidance - Expert help for DIY builders
🔥 Premium heating solution - Contact us for availability and installation options
Official Espar AquaSystem Video Series
Watch Espar's complete AquaSystem installation and overview series:
- Part 1: AquaSystem Overview & Introduction
- Part 2: Installation Guide
- Part 3: System Setup
- Part 4: Configuration & Controls
- Part 5: Hot Water System
- Part 6: Troubleshooting & Maintenance
These official Espar videos provide detailed information about the AquaSystem's features, installation, and operation.
What Makes the AquaSystem Different?
Unlike standard air heaters, the Hydronic AquaSystem uses a liquid-based heating system that provides:
- Radiant Cabin Heat - Circulates hot coolant through heat exchangers for comfortable, even warmth
- Tankless On-Demand Hot Water - Unlimited hot water for showers, dishes, and daily living without a bulky tank taking up space
- Engine Preheating Capability - Can be configured to warm your engine block for easier cold-weather starts (additional parts required - contact us)
- Floor Heating Capability - Add radiant floor heating for ultimate comfort (floor heating kits available - contact us)
- 5kW Heat Output - Powerful heating for larger builds and extreme climates
Key Features
- All-in-One System: Heating and hot water in one integrated unit
- Tankless On-Demand Hot Water: Unlimited hot water whenever you need it without taking up valuable space
- Dual Fuel Options: Available in diesel or gasoline versions - specify your fuel type when ordering
- Efficient Operation: Hydronic heating provides even heat distribution throughout your space
- Expandable System: Add radiant floor heating or engine preheating with additional components
- Precise Temperature Control: Digital controller for exact comfort settings
- Low Power Draw: 12V operation with minimal battery consumption
Technical Specifications
- Heat Output: 5 kW
- Fuel Type: Diesel or Gasoline (specify when ordering)
- Voltage: 12V DC
- Weight: 15 kg (33 lbs)
- Hot Water: Tankless on-demand system
- Operating Temperature Range: -40°C to +80°C (diesel) / -40°C to +60°C (gasoline)
- Warranty: 2-year manufacturer warranty
What's Included
- Espar Hydronic AquaSystem unit
- Digital controller
- Complete installation hardware
Is the AquaSystem Right for You?
The Hydronic AquaSystem is a premium investment for van builders who want:
- Unlimited hot water for showers and daily living
- Radiant heat distribution (not just forced air)
- Optional radiant floor heating for maximum comfort
- Optional engine preheating for cold climates
- An integrated, professional-grade heating solution
- Maximum comfort for full-time or extended van life
Not sure if you need the full AquaSystem? If you only need cabin heating without hot water, consider our Espar air heaters - they're more affordable and easier to install.
Installation & Support
The Hydronic AquaSystem is a complex installation requiring plumbing, electrical, and fuel system integration. We strongly recommend professional installation.
Contact us to discuss:
- Professional installation services
- Which fuel type (diesel or gasoline) is right for your vehicle
- Complete parts list for your specific vehicle
- System design and layout planning
- Technical specifications and compatibility
Compare Heating Options
Air Heaters (simpler, more affordable):
- Espar S3 D2L - 7,500 BTU Diesel
- Espar M3 D4L - 14,000 BTU Diesel
- Espar S3 B2L - 7,500 BTU Gasoline
- Espar M3 B4L - 14,000 BTU Gasoline
Hydronic System (premium, all-in-one):
- Espar Hydronic AquaSystem - Heating + Tankless On-Demand Hot Water + Optional Floor Heating + Optional Engine Preheat
- Note that we have not yet designed and installed a Floor heat kit or an optional Engine pre-heat kit. These kits will be created early 2026
Canadian van builders trust Driftwood Vans for premium four-season heating solutions. Fast shipping from coast to coast.
Questions about the AquaSystem, floor heating, or engine preheating options? Contact us - we're here to help you choose the right heating solution for your build.
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