Avoid systems oversizing, reduce electricity bill and inrush current, increased comfort and process are some key drivers for variable capacity.
Many refrigeration and air conditioning systems require reliable processes which are more efficient, compact, environmental friendly, easy to install and to maintain. The cooling requirements vary over a wide range during the day and over the year due to ambient conditions, occupancy and use, lighting etc.
Energy efficiency is no longer an option. Energy regulations are strengthening. Building energy codes and standards are developed globally and energy incentives are getting more attention. Another global issue is the energy security. How to make sure that we will not lack of energy one day?
HVAC and refrigeration systems are usually designed for peak demand which represent only a small percentage of the actual operation. Such oversizing leads to efficiency losses and extra costs for oversized equipment. Energy efficient capacity modulation is a way to match cooling capacity to cooling demand thereby matching these application requirements.
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