Pure Refrigeration systems are prefabricated and delivered assembled so the time for installation is significantly reduced, along with labor costs. Less on-site construction means faster and easier installation for the receiving facility. Since all of the Pure Refrigeration models have a low ammonia charge, PSM costs are lower than standard systems, insurance rates are reduced, and there is a safer work environment for your employees and products. Pure Chill, Pure Freeze, and Pure Cold all use natural refrigerants. Whether it is ammonia or CO2, both have a minimal Global Warming Potential (GWP) and are considered environmentally friendly.