boilers kotly 105 [vynechat] heating 40 [vynechat] vykurovanie 40 [vynechat] heaters 33 [vynechat] vykurovacie zariadenia 33 [vynechat] heating plants 20 [vynechat] kotolne 20 [vynechat] water heating 15 [vynechat] gas heaters 13 [vynechat] ohrev vody 13 [vynechat] plynové kotly 13 [vynechat] biomass boilers 5 [vynechat] kotly na biomasu 5 [vynechat] low pressure heating plants 4 [vynechat] nízkotlakové kotolne 4 [vynechat] electric heating 2 [vynechat] elektrické vykurovanie 2 [vynechat] ohřev vody 2 [vynechat] air pipe lines 1 [vynechat] environmental pollution 1 [vynechat] fototermika 1 [vynechat] fuels 1 [vynechat] gasification 1 [vynechat] heating elements 1 [vynechat] hot-water heating 1 [vynechat] kitchen stoves 1 [vynechat] kotle 1 [vynechat] kotly na tuhé palivá 1 [vynechat] palivá 1 [vynechat]