Including 4 closely related terms such as heat pumps, heat pump, and heat pumps.
… optimisers and 13 boiler optimisers have been installed, 11 combined heat and power units, 49 biomass boilers and 8 ground source heat pumps have all contributed to the overall carbon reduction. • To improve efficiency and reduce the ecological impact of our vehicles we have installed a ‘telematics’ tracking system in many of our large vehicles such as refuse collection, roads maintenance…