Wednesday 29 May 2013 19.01 EDT. The war in Afghanistan has cost Britain at least Â£37bn and the figure will rise to a sum equivalent to more than Â£2,000 for every taxpaying household, according to a devastating critique of the UK's role in the conflict. Since 2006, on a conservative estimate, it has cost Â£15m a day to maintain Britain's military presence in Helmand province.
1 B. Ducted heat pumps have an outdoor unit connected to a buildingâs ductwork. 2  Like ductless heat pumps, ducted heat pumps can both heat and cool buildings. 3  Ground-source heat pumps or âgeothermalâ heat pumps draw heat from the soil or groundwater and transfer it to a ducted air distribution system or radiators. Low-cost heat â The cost of heating with a heat pump is similar to heating with natural gas or wood. 2  This is typically half the cost of heating with oil, kerosene, electric baseboard or propane. 3  Click here to compare heating costs of different heating systems.
Heat pumps work as heaters in cold weather and automatically adjust as air conditioners when the space is hot. Heat pumps are among the most efficient heating option on the market â Consumes Institute. A 6 star heat pump will use 1 KW of electricity to produce about 5 KW of heat â EECA.