British Gas announces Hive Active Heating, offering remote control from your smartphone - photo 1British Gas announces Hive Active Heating, offering remote control from your smartphone - photo 2British Gas announces Hive Active Heating, offering remote control from your smartphone - photo 3British Gas announces Hive Active Heating, offering remote control from your smartphone - photo 4British Gas announces Hive Active Heating, offering remote control from your smartphone - photo 5British Gas announces Hive Active Heating, offering remote control from your smartphone - photo 6British Gas announces Hive Active Heating, offering remote control from your smartphone - photo 7