Sources:

• 2009 Residential Energy Consumption: 59% for space heating and water heating (and pie chart statistics)
  http://www.eia.gov/todayinenergy/detail.cfm?id=10271
• Household Space Heating and Water Heating bill statistics
  http://www.eia.gov/neic/experts/heatcalc.xls
• Biomass fuel sources and the number of households it could heat (base numbers from here, percentages made from these numbers and the census data below)
  http://www1.eere.energy.gov/biomass/pdfs/billion_ton_update.pdf
• 76 million homes in the U.S.
  http://www.census.gov/hhes/www/housing/census/historic/units.html
• Environmental Impact and SOx emissions
  http://www.epa.gov/ttnchie1/ap42/ch01/final/c01s01.pdf
• Midwest: Switching to 10% biomass heating would create 210,000 jobs
  http://heatingthemidwest.org/wp-content/uploads//MidwestVision_Final_04212013.pdf (page 24)
• Midwest: $2.2 billion stay in local economy
  http://heatingthemidwest.org/wp-content/uploads//MidwestVision_Final_04212013.pdf (page 19)
• Northeast: Switching to 18.5% biomass heating would create 140,000 jobs
  http://www.nebioheat.org/pdf/heatne_vision_full.pdf (page 15)
• Northeast: $4.5 billion stay in local economy
  http://www.nebioheat.org/pdf/heatne_vision_full.pdf (page 17)