Online calculator pre calculating amount energy resources consumed

s this online calculator, you can calculate how much a particular fuel you will use do heat your home. a how much money you will spend na it.
pre example: You are currently vykurovanie your house s coal a you want do know how much you will spend na electricity when you switch do electric vykurovanie a how much it will cost you do heat your house s electricity. a don't forget "Efficiency" column. Different vykurovanie kotly have different efficiencies. Coal a wood kotly have less efficiency than gas a electric kotly.

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Data na calorific value these energy carriers is taken from this Wikipedia article.