Technology Collaboration Programme Presentation

Technology Collaboration Programme by lea HVAC Systems in Homes Hot Water or Steam Electric, Other or None 100% 100% Houses without Central AC or HP 80% 80% 60% 60% Warm-air furnace Houses with Central AC or HP 40% 40% 20% 20% 0% 0% 1990 1995 2000 2005 2010 2015 2020 1990 1995 Single-Family Homes With and Without Central AC or HP Source: census.gov Heat Pump (Air-source or Geothermal) 2000 2005 2010 2015 2020 Type of Heating System Used in New Single-Family Houses Completed www.heatpumpingtechnologies.org HPT

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