Period (full years),Years,HVAC recalls,Recalls per year,Recalls per year excl. portable space heaters,US units per year (million),US units per year excl. portable space heaters (million),HVAC share of all CPSC recalls (%),Share citing fire (%),Share citing carbon monoxide (%),Share citing fire or CO (%) 2000 to 2008,9,80,8.9,6.2,1.26,0.73,3.0,70.0,20.0,90.0 2009 to 2017,9,70,7.8,5.4,1.5,1.09,2.4,80.0,7.1,85.7 2018 to 2025,8,54,6.8,5.0,1.45,1.2,2.3,66.7,31.5,92.6