Savawatt controls were installed for air conditioning and refrigeration in use at Tesco Express store, Harpenden. The Store comprised of a petrol station and convenience store with a high proportion of chilled multideck and island units in use in the sales area. Substantial chilled and freezer walk in cold rooms are situated at the back of the store.
Savacontrols were installed with eleven three phase Savacontrols installed are fitted with by-pass switches to enable equipment to be run in and out of Sava mode. The average reduction in consumption of the whole site with Savacontrols in circuit excluding week five indicates a saving of 9.2% for the period of the test.
Over the period of the test no adverse reports were received with regard to the performance of any of the equipment, temperature and normal performance were maintained, operational use was “as usual”.