Responding to sectarian terrorist attacks and the rise of ISIL, Shia militias have carried out violent reprisals against Sunni civilians. On 10 June Amnesty International reported that a Yazidi militia killed 21 Sunni civilians and abducted another 40 in Jiri and Sibaya villages, Sinjar.
Cost â Biomass versus conventional boilers. Biomass boilers start at about Â£7,000 for a 12kW domestic version â which is sufficient to provide heat and hot water for a 4-bed house.A comparable sized gas boiler will only cost Â£2500 to install. A bigger biomass boiler with an auto-feed hopper may cost closer to Â£12,000.ost â Biomass versus conventional boilers. Biomass boilers start at about Â£7,000 for a 12kW domestic version â which is sufficient to provide heat and hot water for a 4-bed house.
Gas trumps electric storage heaters and oil boilers. The average UK home uses gas for central heating and spends about Â£550 each year on space heating alone (DECC). Providing the same amount of usable heat with an oil boiler costs about Â£700.With electric storage heaters on the lower Economy 7 tariff (12-7am) the costs would be about Â£900 while using standard rate electricity would cost a whopping Â£1,950.roviding the same amount of usable heat with an oil boiler costs about Â£700. With electric storage heaters on the lower Economy 7 tariff (12-7am) the costs would be about Â£900 while using standard rate electricity would cost a whopping Â£1,950.