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Buy refrigerated containers
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Buy refrigerated containers

Refrigerated containers, superfreezers and insulated containers are special containers that are used for temperature-controlled transport and storage of sensitive goods. Whether it's food, pharmaceuticals or events — our refrigerated containers offer precise temperature control, maximum energy efficiency and flexible sizes. Buy the right refrigerated container now and have it delivered ready for use.

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10 foot high cube refrigerated container in white on industrial site
20 foot high cube refrigerated container in white on industrial site
40 foot refrigerated container front side with door
10 foot refrigerated container

Refrigerated containers — as diverse as your industry

Product development, automotive and mechanical engineering
The components are subjected to various functional and load tests in the refrigerated container, where the effect of different temperatures on the components can be tested.
pharmaceutical and chemical industries
Research projects and long-term studies can be carried out at any location under ideal climatic conditions.
Refrigerated containers guarantee cool events and events
Refrigerate food and drinks in a refrigerated container at your next major event, festival or company party.
food industry
In refrigerated containers, the supply of fresh air, humidity and composition of the air can be controlled, for example, to control ripening processes. For this reason, refrigerated containers are used particularly frequently in fish, meat and wine production, as well as by bakers and dairies.
Refrigerated containers as a cool interim storage or warehouse extension
Refrigerated containers are used as cold and interim storage in wholesale markets, pharmaceutical companies, at folk festivals or on farms in order to be able to store crops or other foodstuffs flexibly and in a space-saving manner.
Rent or buy refrigerated and insulated containers
We are your partner for renting, selling, maintaining and repairing refrigerated and insulated containers.
Insulated containers only require a 400 V 32 A power connection. This is why reefers are ideal not only for transport, but also as a small cold storage facility.

Our refrigerated containers suit your needs

20-foot high cube refrigerated container

20 foot high cube refrigerated container

6.06 m x 2.44 m x 2.89 m
40-foot high cube refrigerated container

40 foot high cube refrigerated container

12.19 m x 2.44 m x 2.89 m
20 foot Highcube refrigerated container
installation, ventilation, subsoil

Selecting a location for cold rooms

1. Keep your distance

  • At least 2.5 m distance to the next wall on the aggregate side
  • Enough space on the sides to open the doors and for maintenance access

2. Ensure good ventilation

  • outdoor installation: weatherproof but protect from direct sun
  • Indoor installation: Prevent heat accumulation — enable supply and exhaust air

3. Sturdy subsoil

  • Resilient up to 30 t at full load
  • Recommended: concrete, asphalt or fixed steel plates
  • Inappropriate: Soil, gravel or turf without substructure

4. Ensure horizontal orientation

  • Prevents compressor damage
  • Ensures correct condensate drain

5. Pay attention to weather extremes

  • summer: Cooling capacity can drop after 40 °C — shade makes sense‍
  • Winter: Remove snow/ice from intake openings, check the aggregate

Technical characteristics of a refrigerated container

Construction: Refrigerated containers consist of a robust steel frame (weather-resistant Corten steel) with insulated walls, roof and floor. The interior is usually lined with aluminum or stainless steel, which makes cleaning easier and hygienic. There is a thick wall between the outer and inner walls PU foam insulation (typically approx. 80-100 mm) to minimize temperature losses.

Dimensions & capacity: Refrigerated containers are mainly available in standard sizes of 20 feet and 40 feet (also high cube). The outer dimensions correspond to ISO sea containers (e.g. 20': approx. 6.06×2.44×2.59 m). Due to the insulation, the interior dimensions are slightly smaller — a 20′ refrigerated container offers ~28 m³ volume and space for approx. 10 euro pallets, a 40′ high cube ~67 m³ for up to 23 pallets. The empty weight is around 3—4.5 t, the payload around 25—29 t, similar to a standard container. The typical temperature ranges Are at around -30 °C to +30 °C, depending on the unit and model. In this way, both frozen products (e.g. -18 °C) and chilled goods (e.g. +4 °C) can be kept reliably.

Zubehör
20 foot Highcube refrigerated container
20 foot Highcube refrigerated container

material, insulation, dimensions, floor, door

Soil structure: Refrigerated containers usually have a so-called T-floor made of T-shaped aluminum profiles, which are laid lengthwise. Between the T-profiles are slots that allow uniform air circulation under the load. The cold air is blown from the unit down into the T-floor, flows backwards and upwards and is sucked back in at the top — this evenly cools the entire interior. Important: Cargo may only go up to the marked Stauhöhe Be loaded (approx. 10-15 cm below the ceiling) so that the air can circulate at the top and is not blocked.

Door mechanism: Refrigerated containers have double-wing insulated steel container doors with rubber seals on the front (rear), similar to standard sea containers. The door wings are secured with vertical locking rods and levers. When closed, they seal hermetically to prevent loss of cold. Modern refrigerated container doors usually have a Emergency release from the inside, so that trapped people can free themselves — an important safety feature. In addition, a pressure relief valve is often installed to compensate for a vacuum when cooling and to make it easier to open the door. For frequent loading and unloading, a strip curtain be installed behind the door from plastic slats. This minimizes cold loss when the door is open (the cold air stays better in the container).

Power connection and electrical requirements of a frozen container

An actively cooling container requires a suitable power supply. standard refrigerated container are with Three-phase current 380—460 V, 50/60 Hz and 32 A operated. 400 V/50 Hz are common in Europe, for example 440 V/60 Hz on ships — most units automatically support both frequencies. Power is supplied via a 5-pin CEE industrial plug (32A, red) for sea use and 4-pin for land use. The container is usually delivered with a suitable plug and connection cable (usually 10-15 m), which is connected to an appropriate CEE socket. On land should an electrician provide a dedicated three-phase circuit, protected with 32 A inputs (or C/K characteristic, due to starting current). An FI circuit breaker (RCD) is also recommended, as the container is often outdoors.

Modern reefer units are more energy efficient and generally consume 50% less electricity as old reefers. Den average consumption influence the outside temperature, target/actual difference, load quantity and door openings. For example, a 20′ refrigerated container at an internal temperature of +2 °C can consume roughly 15—30 kWh per 24h on a warm day; correspondingly more when frozen or hot. So plan a separate circuit for each container to absorb peak loads and avoid extension cables that are not designed for 32A.

40 foot refrigerated container front side with door

A refrigerated container cannot be operated on normal 230 V household electricity — a phase adapter is not permitted and would damage the unit.

Optionally also as an insulated container without an active cooling unit

All our refrigerated container models can also be purchased as insulated containers without an active unit. This means that you can use the same first-class insulation to protect your goods from changes in temperature. Refrigerated containers are specially designed to actively control temperatures and can both cool and heat. They are ideal for storing sensitive goods that require specific temperature ranges. Insulated containers, on the other hand, are mainly used to keep the temperature within a stable range without actively cooling or heating. They provide effective insulation to minimize the ambient temperature from outside and are good for storing goods that need to be protected from extreme temperatures.

More about insulated containers
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m3 Patrick Schmieder

Your contact for refrigerated containers

Patrick Schmieder
Managing Director, Sales, Special Construction Project Management

In order for us to be able to provide you with the right offer, we need:
type of container. quality requirements. number of pieces. Delivery address and special delivery conditions.
+49 351 21295050
info@m3.company
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Warehousing control and flexibility

Cooling with system

Cooling systems offer reliable cooling, flexible applications and maximum energy efficiency. Choose between classic cooling systems, powerful superfreezers for low temperatures down to -60 °C or efficient insulated containers for passive protection.

Cooling, freezing, storage — our systems at a glance

  • Cooling container (“Reefer”): Standard temperature from -25 °C to +25 °C, with integrated unit and insulated walls.
  • Superfreezer: Suitable for frozen chains down to -60 °C. Ideal for pharmaceuticals, research, high-quality meat.
  • insulated container: Passive insulation without aggregate. Protection against heat and cold for sensitive goods.

Benefits of our containers:

  • Plug & Play connection (400 V/CEE 32 A/5-pin)
  • Hygienic inner lining, stainless steel floor with groove profile for air circulation
  • Regularly testable refrigeration units (certifiable every 3 months)
  • Flexible installation both indoors and outdoors, with a wall distance of at least 50 cm
  • Optional ramp, heavy-duty shelves and temperature monitoring via app
20-foot refrigerated container interior view
20 foot Highcube refrigerated container

Can a refrigerated container also heat/heat?

Yes Refrigerated containers are able to fill the interior via to maintain the ambient temperature, as they are equipped with heating rods or heat pump functions. For example, a reefer can easily keep +5 °C inside in winter at -10 °C outside temperature. Most can be adjusted to an internal temperature of around +30 °C. They are not designed for higher temperatures (then it would be a heat chamber container). In practice, the heating function is used to protect goods from frost or to keep products stored in cold stores below their target value.

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Frequently asked questions

A refrigerated container — often too Reefer container called — is a ISO container with integrated cooling unit, which stores or transports goods at specific temperatures. Typical areas of application include the food industry (transportation of fruit, vegetables, dairy products, meat) and gastronomy, where perishable goods must be kept constantly cool. Even with Events Refrigerated containers (e.g. festivals, catering) serve as mobile cold stores for drinks and food. In the pharmaceutical and chemical industries They are used to store temperature-sensitive drugs and active ingredients. Refrigerated containers are even used in mechanical engineering to test components at defined temperatures. Wherever a reliable cold chain is required, refrigerated containers are the first choice.

Let's start your project!

Regardless of whether you need a shipping container, a refrigerated container for the safe storage of temperature-sensitive goods, a material container for the storage of building materials or an office container for temporary or permanent office solutions — we have the right solution for you. You can choose between buying and renting and benefit from fair prices and our comprehensive range of services.

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