The HVAC market is characterised by high growth and diverse requirements. Heating and cooling systems are coming under increasing pressure to deliver greater efficiencies owing to the different regulations and support programs and taking account of constantly rising energy costs. At the same time, tight deadlines and competitive pressure are driving the need for cost-effective solutions and fast delivery times. Plate heat exchangers play a key role in this regard. These flexible apparatuses are highly versatile and among the most cost-effective, reliable and space-saving heat exchangers.