Grundfos For more than two years, Grundfos has persistently worked to increase awareness of circulator pump efficiency. Of the more than 120 million circulators operating in Europe today, the vast majority are not energy efficient. By choosing A-labelled circulators, you both cut electricity bills and also help reduce the harmful CO2 emissions responsible for global warming. Erpready.org~Site InfoWhoisTrace RouteRBL Check