1989 | Introduction of high efficiency compact chillers, thanks to plate heat exchangers | ||
1990 | Innovative use of Scroll compressors | ||
1992 | The production of rooftop units begins | ||
1994 | Expansion toward higher capacity of the chiller range with semi-hermetic compressors | ||
1996 | ELFO series with room terminals for hydronic systems with continuous current variable speed fan | ||
1997 | The Systems Applications office develops specific solutions based on user requirements. Decentralized systems WLHP (Water Loop Heat Pump) incorporating energy transfer. | ||
1998 | Specialized patented high occupancy CSNX, with active thermodynamic recovery and continuous current fans for Multiplexes Production of high capacity chillers and heat pumps for large business surface areas | ||
2001 | ELFOEnergy: outstanding improvement of medium/small capacity chillers with partial loads thanks to the addition of 2 differently sized compressors | ||
2002 | SPINchiller series: outstanding improvement of high capacity, partial load chiller efficiency thanks to the addition of more compressors | ||
2004 | ELFOFresh and Zephir, the innovative series for air quality adapted to all applications, with thermodynamic recovery and high efficiency electric filters. ELFOSystem Domestic, the residential comfort system. | ||
2005 | Strong development of heat pumps in all sectors | ||
2008 | ELFOEnergy GAIA: the first unit-system for the residential sector, for heating, cooling and hot running water with the possibility of direct connection to solar panels |