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.
Boilers are more expensive than furnaces. Mid-efficiency boilers cost anywhere from $2,500 to $4,000, while high-efficiency boilers run $5,000 to $10,000. Those prices include installation, but keep in mind that installing a boiler is more expensive than installing a furnace because the process is more complex.id-efficiency boilers cost anywhere from $2,500 to $4,000, while high-efficiency boilers run $5,000 to $10,000. Those prices include installation, but keep in mind that installing a boiler is more expensive than installing a furnace because the process is more complex.