Combined shipments of the two product types in the first two months of this year were up 24.5% to 955,410 units compared to the first two months of last year
The figures provided by the US Air conditioning, Heating and Refrigeration Institute (AHRI) were based on a sample of AHRI member companies.
Central air conditioners have performed best this year so far, increasing 27.9%, to 583,840 units. This compares with 456,608 units shipped during the same period in 2014.
Heat pump shipments increased 19.5%, to 371,570 units, up from 310,837 units shipped during the same period in 2014.