1984

• Agreement with Sanyo, Japan for selling Sanyo VAMs

1989

• Technical license agreement for manufacturing single and double effect steam driven vapour absorption machines (100-1400 TR)

1990

• In house development of special tubes for heat exchangers

1994

• Developed fuel driven vapour absorption machines (100-1000 TR)

1995

• Launched Hot Water series (100-650 TR)

1996

• Technical collaboration with Kawasaki, Japan for efficient fuel driven vapour absorption machines (30-1100 TR)

1998

• Developed efficient split evaporator design

2000

• Developed Ammonia-water vapour absorption machines (Temperature down to –20ºC)
• Launched small capacity Hot Water driven VAMs (20-80 TR)
• Commissioned a large heat pump (capacity of 10 MW) at Thisted, Denmark

2003

• Developed high efficiency B4K series with 1.35 COP for steam and fuel driven VAMs
• Developed crystallization free design through online concentration measurement and control

2004

• Developed double absorber VAMs with 1.46 COP
• Developed half-effect machine working at 70-60ºC hot water temperatures
• Launched exhaust/multi-energy driven Trigenie series which won the 1st prize in the prestigious Bry Air Award – 2006, in Most Innovative Product Design category
• Developed single-dould effect vapour absorption machines

2005

• Launched Zero Deg LiBr VAMs with brine in chilled water circuit which won the 1st prize in the prestigious Bry Air Award – 2006, in Most Innovative Product Design category
• Tested first GAX ammonia VAMs which improved the COP from 0.6 to 0.7
• Launched twin type hot water driven VAMs
• Developed special tubes for exhaust driven VAMs

2007

• Launched new series of high-efficiency single-effect VAMs

2008

• China manufacturing facility innagurated and commercial production started
• A 3150 TR exhaust-driven machine was factory-tested in Thermax's test bay