Energy efficiency - conventional boiler
41.4 هزار بار بازدید -
11 سال پیش
-
British Gas technical engineer, Chris,
British Gas technical engineer, Chris, shows how to set up a combi boiler so it's more energy efficient.
For more information, visit http://www.britishgas.co.uk/energysaving
For more information, visit http://www.britishgas.co.uk/energysaving
11 سال پیش
در تاریخ 1392/09/26 منتشر شده
است.
41,480
بـار بازدید شده