You can order Efergy brand products like Efergy Engage Hub Solo Kit Engage Digital Power Meter, directly through our website or by contacting our Customer Support Team. Or call us at +44 (0) 3303 800 157 or write and email to our support team at sales@enrgtech.co.uk. Find helpful customer reviews and review ratings for Efergy Technologies ELITE CLASSIC 4.0 In-Home Energy Monitor at Following the supplied instructions the unit was easy to set up and use. was that the connector (which attaches to the live feed) on the Elite Classic was quite loose whereas the old HM01's connector was very tight but