Guides
Knowledge for refrigerated vehicles, service and temperature-controlled transport.
These pages answer common questions about service, fleets and planning. The content is technical yet accessible and does not name customers, contacts or internal cases.
Planning guide
Planning
Planning a refrigerated vehicle conversion properly
A professional refrigerated conversion starts with the goods, temperature range, route profile, base vehicle, payload and service requirements, rather than a single refrigeration unit.
Service guide
Service
Refrigeration units, maintenance and service for refrigerated vehicles
The right refrigeration unit can only be reliable if it matches the base vehicle, temperature range, energy requirements and subsequent service process.
Certification guide
Supporting documents
ATP and FRC for refrigerated vehicles explained simply
ATP-tested refrigerated vehicles carry markings such as FNA, FRA, FRC or FRCX. This guide clearly explains what each class means, when ATP is relevant legally or contractually, and which services Kerstner provides from design to periodic inspection.
Refrigerated vehicle guide
Cold chain
Identifying temperature problems in refrigerated vehicles
When a refrigerated vehicle fails to reach its set temperature, a structured check determines the next steps. This guide helps operators and fleet managers make an initial assessment.
Pharmaceutical logistics guide
Cold chain
Temperature deviations in pharmaceutical refrigerated vans
Good interior insulation alone is not enough for medicines, laboratory samples and sensitive healthcare products. The interaction between the conversion, refrigeration system, airflow, loading and workflow is decisive.
Interior insulation guide
Conversion
Interior insulation in refrigerated vans: what matters
Interior insulation is one of the most important components of a refrigerated van. It must account simultaneously for temperature control, cleaning, payload, daily use and vehicle structure.
Food transport guide
Cold chain
HACCP-compliant refrigerated vehicles for delivery services and retail distribution
Delivery services, food logistics and retail distribution put refrigerated vehicles to the test daily: frequent stops, short loading times, changing quantities and high standards of hygiene and temperature control.
Vehicle selection guide
Fleet
Refrigerated panel vans for smaller cargo volumes
Not every refrigerated route needs a large van. For smaller cargo volumes, compact refrigerated panel vans can be economical, manoeuvrable and very efficient in daily use.
Electric refrigerated vehicle guide
Electric
Electric refrigerated vans: understanding range and energy consumption
For electric refrigerated vans, driving and refrigeration energy must be considered together. Range, route profile, refrigeration system, load and charging windows jointly determine suitability for everyday use.
Stationary refrigeration guide
Electric
Stationary refrigeration in electric refrigerated vans
Stationary refrigeration can be a major advantage for electric refrigerated vans when goods need to remain at a stable temperature during charging breaks, waiting periods or route interruptions.
Temperature control guide
Electric
Temperature control in electric refrigerated vehicles
Electric refrigerated vehicles combine electric mobility with active temperature control. To keep the cold chain reliable, the refrigeration system, insulation, power supply and working process must be matched.
Urban logistics guide
Electric
Quiet electric refrigerated vehicles in urban logistics
In city centres, residential areas and early delivery windows, emission-free operation is not the only priority. Quiet operation can also be an important benefit for retailers, foodservice, healthcare logistics and local residents.
Vehicle height guide
Conversion
Refrigerated vans in underground car parks and low-clearance entrances
Underground car parks, courtyards and low-clearance entrances can require careful planning for refrigerated vans. Vehicle height, refrigeration equipment, turning circle, ramps and loading procedures must be checked early.
Interior fit-out guide
Conversion
Durable interior fittings and floor panels in refrigerated vans
In everyday use, the interior fit-out determines how long a refrigerated van can remain reliable, hygienic and economical. Floor panels, walls, edges and joints are particularly exposed to wear.
Cold chain guide
Fleet
Modern refrigerated vehicles for reliable supply chains
Temperature-controlled supply chains become more reliable when the vehicle, refrigeration technology, interior fittings, data and service processes work together. Modern refrigerated vehicles are therefore more than vans with a refrigeration unit.
Conversion planning guide
Conversion
Retrofitting interior insulation or choosing a modular conversion?
A quick retrofit often sounds appealing to dealers, fleets and bodybuilder partners. In practice, however, modular interior insulation kits need to match the base vehicle, refrigeration equipment and use very precisely.
Refrigeration system guide
Service
Refrigeration system will not start or switches off
If the compressor, fans or system will not start, a clear description helps. It makes it easier to determine whether operation, power supply or equipment needs checking.
Error code guide
Service
PAL error code in refrigeration systems
Error codes help narrow down a problem. With PAL, document the case carefully and have it professionally checked before replacing parts or changing settings.
Cold chain guide
Cold chain
Maintaining the cold chain in a panel van
In distribution operations, door openings, loading, pre-cooling and route profile determine how steadily a refrigerated vehicle maintains temperature.
Fleet guide
Fleet
Refrigerated vehicles up to 3.5 t in your fleet
Refrigerated panel vans up to 3.5 tonnes offer many businesses a flexible solution for chilled goods, retail deliveries, pharmaceuticals, catering and the last mile.
Conversion guide
Conversion
Two-compartment conversions for refrigerated vans
A two-compartment conversion can be useful when goods at different temperature ranges need to travel in one vehicle. The goods, volume, access and target temperature are decisive.
Service process
Service
How to prepare warranty and goodwill claims
A complete warranty or goodwill claim reduces follow-up questions and speeds up technical assessment. This page explains the details and evidence Kerstner needs for efficient handling.
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