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.
Installation Costs. The cost of installation is highly variable and depends on the type of system, the choice of contractor and the complexity of the required work. Installation charges for a typical home range from $3,000 to $6,000 with an average cost of about $4,700.egular efficiency boilers range in price from $2,500 to $4,000 with an average cost of $3,250. High-efficiency models cost between $5,000 and $9,000 with an average cost of $7,000. 1  Air Handler or AHU.