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In 2009 the sales of this industry fell by 10%, from US $ 70 billion in 2008 to US $ 63.2 billion last year, only variable flow refrigerant (VRF) air conditioning equipment showed an increase, while the commercializations of chillers, mini split units and central air conditioning solutions decreased.
Mini split businesses totaled $32.9 billion, down 7% from 2008, chillers were $6.7 billion (down 7% from 2008), sales of central air conditioners were down 6% to $4.7 billion, window air conditioners were $3.1 billion (-16%), roof air conditioner sales were down 3% to $3.0 billion and fancoils reported $1.5 billion. billions, down 10%, while VRF systems had sales of $6.1 billion, up 12%.