Inspirit Energy Holdings Plc develops and commercializes a micro combined heat and power (mCHP) boilers for the commercial and residential markets primarily in the United Kingdom. The mCHP boiler is powered by natural gas and designed to produce hot water for domestic hot water or central heating, as well as simultaneous electrical output. The company was formerly known as KleenAir Systems International Plc and changed its name to Inspirit Energy Holdings Plc in July 2013. Inspirit Energy Holdings Plc was incorporated in 2004 and is based in London, the United Kingdom.