Optimum Utility Systems can evaluate your refrigeration requirements to help you avoid buying more refrigeration capacity than you need. The lower the U-factor, the better the window will retain heat on a cold day or cooling on a hot day. U-factors may vary tremendously from one window product to another. Optimum Utility Systems can assess the value of window upgrade at your manufacturing or processing office and plant. See related article.
Speed control is obtained by adjusting the frequency of the voltage applied to the motor.
This approach usually saves energy for variable-load applications. Optimum Utility Systems can assess whether the energy savings is worth the additional equipment cost. See related article. An HVAC system serving multiple zones that controls the temperature in each zone by controlling the amount of heated or cooled air supplied to the zone. Optimum Utility Systems can specify the testing and balancing needed to optimize your aging VAV system.