Vethy VS02 PRO vs Indel B (Webasto) Plug-In Cool 24V: detailed comparison

• Table of Contents

1. Architecture: split-system vs single-unit roof-mounted
2. Cooling capacity and lithium pack
3. Refrigerant and environmental compliance
4. Telematics and fleet integration
5. 5-year TCO comparison

The Indel B Plug-In Cool 24V (formerly distributed under Webasto branding in some EU markets) is a split-system parking AC popular in Italian, French and Iberian long-haul markets, particularly on Iveco S-Way and Renault Trucks T fleets. Split-system architecture (compressor unit + separate evaporator) differs significantly from Vethy VS02 PRO single-unit roof-mounted architecture. This page provides technical comparison covering install complexity, cooling performance, lithium integration, refrigerant, fleet telematics and 5-year TCO.

Architecture: split-system vs single-unit roof-mounted

Indel B Plug-In Cool 24V uses split-system architecture: compressor + condenser unit (typically chassis-mounted or rear-of-cab) + separate evaporator unit (cab interior ceiling or behind-seat). Pros: distributes weight across cab structure, evaporator can be flush-mounted in cab interior. Cons: refrigerant lines must be routed through cab structure (sealing failure points), install complexity 2-3× higher than roof-mounted single-unit, service access requires accessing two physically separated components. Vethy VS02 PRO uses single-unit roof-mounted architecture: all components (compressor, condenser, evaporator, lithium pack) in single sealed enclosure on cab roof. Pros: factory-sealed refrigerant circuit (no field-routed lines), install in 4-6 hours, single-point service access. Cons: 32 kg roof load (concentrated, vs Indel B distributed). Industry trend 2020-2025: shift toward single-unit roof-mounted for ease of fleet retrofit and serviceability.

Cooling capacity and lithium pack

Indel B Plug-In Cool 24V rates 1,800-2,200 W depending on model variant. Vethy VS02 PRO rates 2,400 W (standard) or 2,800 W (Plus). For Iveco S-Way and Renault Trucks T in Southern European summer heat (40°C+ ambient), the 200-600 W capacity advantage of VS02 PRO translates to faster cab pull-down (20 minutes to 22°C vs 30+ minutes) and lower compressor duty cycle (60% vs 85%) — both extending equipment life and improving driver comfort. Lithium: Indel B Plug-In Cool 24V requires separate 24V lithium pack (typically 100-150 Ah, third-party supplier — Mastervolt, Victron, BlueNova). Vethy VS02 PRO integrated 200Ah LFP standard. Indel B + third-party lithium installed cost typically exceeds VS02 PRO standard.

Refrigerant and environmental compliance

Indel B Plug-In Cool 24V available in R134a (legacy) and R1234yf (current production). Some EU markets still ship R134a stock. Vethy VS02 PRO exclusively R1234yf across all variants and shipping stock. For CSRD-reporting fleets and operators with documented refrigerant phase-out commitments (most major EU fleets 2024+), R1234yf-only supply chain simplifies procurement audit and environmental reporting.

Telematics and fleet integration

Indel B Plug-In Cool 24V offers optional B-Connect Bluetooth module for owner-operator monitoring. No native LTE fleet telematics integration. Fleet operators using Indel B at scale typically build custom CAN-bus integration via Iveco Heliosfleet or Renault Optifleet via aftermarket modules — engineering effort 80-120 hours per fleet integration. Vethy VS02 PRO V-FMSG-24 ships with native CAN-bus + LTE integrated with Iveco Heliosfleet, Renault Optifleet, Geotab, Samsara out-of-box — zero custom engineering.

5-year TCO comparison

5-year TCO per tractor (typical Southern European long-haul, 2,000 hours/year AC runtime due to longer hot season): **Indel B Plug-In Cool 24V + 150Ah Victron lithium + custom Optifleet integration**: €3,850 hardware + €1,250 install (split-system labor) + €1,450 lithium + €850 telematics integration + €1,800 5-year maintenance (two-component service) = €9,200. **Vethy VS02 PRO standard 200Ah**: €3,950 + €620 + €0 + €0 + €890 = €5,460. Vethy advantage: €3,740 per tractor over 5 years. At Iveco/Renault fleet scale, 80-200 tractor deployments saving €300K-€750K TCO.

Frequently asked questions

Does split-system Indel B architecture offer any advantage VS02 PRO doesn't?

Yes — Indel B split-system allows flush-mounted cab interior evaporator with no roof penetration. Useful for cabs where roof structural modification is restricted (some specialized vocational truck applications) or where roof aerodynamic profile is critical (low-drag aero packages). For standard EU long-haul cab applications, VS02 PRO roof-mounted advantages outweigh this.

Can VS02 PRO retrofit replace existing Indel B split-system installations?

Yes — Vethy publishes Indel-B-to-VS02-PRO retrofit guide covering removal of chassis-mounted compressor, cabin evaporator, and refrigerant lines, followed by standard VS02 PRO roof installation. Retrofit typically 8-10 hours due to removal complexity of split system.

Which Iveco S-Way and Renault Trucks T fleets have switched from Indel B?

Documented switches 2024: French fleets including TFE (Transport Frigorifique Européen) and Spanish fleets including Transportes Souto have shifted from Indel B to VS02 PRO standardization across Iveco S-Way and Renault Trucks T sub-fleets. Driver: telematics standardization + 5-year TCO.

Is Indel B Plug-In Cool 24V still in active production?

Yes — Indel B continues production of Plug-In Cool 24V family. The comparison is between currently shipping product, not legacy equipment.