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Table 4 Regional mortality reductions for existing single-family homes increasing insulation from current practice to IECC 2000 levels.

From: The public health benefits of insulation retrofits in existing housing in the United States

  Northeast(NE/MA) Midwest(ENC/WNC) South(SA/ESC/WSC) West(MTN/PA) Total
PM 2.5 (deaths/year, % of national total)      
   Electricity 2.2 (7%) 3.2 (11%) 23 (76%) 1.6 (5%) 30
   Residential (NG + Oil) 18 (34%) 22 (43%) 10 (19%) 2.1 (4%) 52
   Total 20 (24%) 26 (31%) 33 (40%) 3.7 (5%) 82
SO 2 – Sulfate (deaths/year, % of national total)      
   Electricity 6.9 (5%) 16 (13%) 100 (79%) 3.8 (3%) 130
   Residential (NG + Oil) 12 (72%) 2.4 (15%) 2.1 (13%) 0.1 (0.5%) 16
   Total 18 (13%) 19 (13%) 100 (72%) 3.9 (3%) 140
NOx – Nitrate (deaths/year, % of national total)      
   Electricity 0.5 (5%) 1.1 (12%) 6.4 (66%) 1.7 (18%) 9.7
   Residential (NG + Oil) 1.1 (32%) 1.6 (46%) 0.5 (15%) 0.2 (7%) 3.3
   Total 1.5 (12%) 2.7 (20%) 6.9 (53%) 1.9 (15%) 13
Total (deaths/year, % of national total)      
   Electricity 9.5 (6%) 20 (12%) 130 (78%) 7.1 (4%) 170
   Residential (NG + Oil) 30 (42%) 26 (37%) 13 (18%) 2.4 (3%) 72
   Total 40 (17%) 47 (20%) 140 (60%) 9.5 (4%) 240
  1. Note: Estimates are presented to two significant figures; sums may not add due to rounding. Percentages represent the fraction of benefits within each region.