A regional delivery truck needs a cooling plan based on its stops. An overnight sleeper-cab test does not describe a route with frequent door openings, short waiting periods and repeated transitions between driving and parking.

A current commercial-vehicle example

Volvo Trucks announced the start of new VNR production on 18 February 2026, positioning the truck for urban and regional delivery. The event highlights an application question for accessory buyers: which parts of a working day actually require stationary cabin cooling? It does not imply that an aftermarket Vethy unit has been approved for a VNR.

Collect a simple route record

For representative working days, record the start and end of each stop, whether the driver stays inside, approximate door-opening frequency, sun exposure and the available charging period afterward. Include depot waiting and loading queues, which may differ from customer delivery stops.

Group stops by practical need. A brief unoccupied stop may have a different comfort objective from a long occupied queue. A lunch break in an exposed cab may require more sustained cooling than several short deliveries. Set the required comfort outcome for each group before choosing a battery or AC model.

Test recovery as well as steady operation

During a representative trial, observe how quickly the occupied area returns to the agreed temperature after the normal door-opening pattern. Record energy consumed during the entire sequence. A low average demand with the doors closed may not predict performance during a busy distribution shift.

Also check the installation against the driver's work: entry and exit, visibility, overhead storage and access to controls. A system that is convenient in a sleeper cab can be awkward in a compact day cab.

Close the daily energy balance

Measure how much energy is restored during the actual driving and depot periods. The available charging opportunity depends on the installed electrical system and approved integration. A route can appear successful on the first day with a full battery but gradually lose reserve over repeated days.

Use the stop profile as the request-for-quotation attachment. Ask suppliers to explain the proposed electrical arrangement, expected limitations and commissioning checks for that exact duty cycle. This gives every bidder the same operating problem to solve and produces a more useful comparison than asking for a generic “truck AC” price.

Next step

Compare the available configurations in the Vethy product catalog, then request the current model-specific documentation before selecting a unit.

Sources and method