Buildings developed in the M3 technology will prove to be effective as cold stores like no other. The insulation capability of our walls makes it possible to achieve the heat transfer coefficient at the level of U= 0.09 while the n50 coefficient in our buildings is lower than 0.4. This means that the tightness parameters go beyond those established in the passive building requirements. Thanks to these performance parameters, our buildings perfectly keep the required temperatures at minimum spendings. M3 System offers models with a gable or hip roof, with a width of 6.6 m and a height of 4.3 m and a width of 10.2 m and a height of 5.9 m.