ABOUT THIS PARAMETER

U factor of walls

The rate of heat loss through an area of wall over a given time that depends upon the temperature difference between inside and outside.

Used to calculate:fossil fuels consumed and biomass fuels consumed

Varies by: ecosystem

Used ecosystem Reference Location: Ecosystem
(study period)
Value Units Notes
* Agricultural field / vegetable garden Assumed New York City: Mannahatta () 0 BTU/(h * deg F * ft2)
* Airfield Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Airport terminal Dubbe, Matt 2015 Performance Takes Off Wisconsin: airport terminal (2015) 0.4 BTU/(h * deg F * ft2) windows; where heat is lost through walls in airport terminals
* Alley Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Apartment building NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.141 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for residential buildings.
* Beach Assumed New York City: Mannahatta () 0 BTU/(h * deg F * ft2)
* Bike lane Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Bioswale Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Boulevard (arterial) Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Bridge Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Camp Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Cemetery Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Cistern / rain barrels Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Cliffs and rock outcrops Assumed New York City: Mannahatta () 0 BTU/(h * deg F * ft2)
* Cogeneration plant NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for commercial buildings.
* Compost bin Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Computer data center NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for commercial buildings.
* Cottages / Mobile home NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.141 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for residential buildings.
* Deep water estuary Assumed New York City: Mannahatta () 0 BTU/(h * deg F * ft2)
* Derelict structures NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for commercial buildings.
* Diesel power plant NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for commercial buildings.
* Disturbed Land Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Eelgrass meadow Assumed New York City: Mannahatta () 0 BTU/(h * deg F * ft2)
* Elevated train Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Estuary Assumed New York City: Mannahatta () 0 BTU/(h * deg F * ft2)
* Factory NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for commercial buildings.
* Freshwater marsh Assumed New York City: Mannahatta () 0 BTU/(h * deg F * ft2)
* Fuel storage tank Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Garage NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for commercial buildings.
* Gas station NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for commercial buildings.
* Geothermal pump Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Graywater recycling Assumed New York City: Urban Area () 0 W / K / m2
* Greenhouse / vertical farm Bartok 2000- Greenhouses for Homeowners and Gardeners global: greenhouse () 0.49 BTU/(h * deg F * ft2) This value refers to the u-factor of double paneled, clear, tempered glass greenhouse walls.
* Green roof Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Hardwood swamp Assumed New York City: Mannahatta () 0 BTU/(h * deg F * ft2)
* Heavy rail line Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Hemlock – northern hardwood forest Assumed New York City: Mannahatta () 0 BTU/(h * deg F * ft2)
* High salt marsh Assumed New York City: Mannahatta () 0 BTU/(h * deg F * ft2)
* Highway Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Hospital NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for commercial buildings.
* Hotel NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for commercial buildings.
* Landfill Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Lawn Assumed New York City: Mannahatta () 0 BTU/(h * deg F * ft2)
* Light rail line Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Low salt marsh Assumed New York City: Mannahatta () 0 BTU/(h * deg F * ft2)
* Meadow Assumed New York City: Mannahatta () 0 BTU/(h * deg F * ft2)
* Mixed use: office / residential building NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for commercial buildings.
* Mixed use: restaurant / office building NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2)
* Mixed use: restaurant / residential building NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2)
* Mixed use: restaurant / retail building NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2)
* Mixed use: retail / office building NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for commercial buildings.
* Mixed use: retail / residential building NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.09 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for commercial buildings.
* Natural gas power plant NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for commercial buildings.
* Oak hickory forest Assumed New York City: Mannahatta () 0 BTU/(h * deg F * ft2)
* Office building NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for commercial buildings.
* Orchard Assumed New York City: Mannahatta () 0 BTU/(h * deg F * ft2)
* Ornamental garden Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Parking lot Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Park savanna Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Paved ball field/court Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Pedestrian bridge Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Pedestrian street / plaza Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Permeable pavers Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Photovoltaic panels Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Pier Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Pond Assumed New York City: Mannahatta () 0 BTU/(h * deg F * ft2)
* Public assembly hall NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for commercial buildings.
Puddles on hardtops NULL REFERENCE NULL REFERENCE LOCATON: NULL ECOSYSTEM (NULL STUDY PERIOD) None DUMMY UNIT
* Restaurant NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2)
* Retail building NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for commercial buildings.
* School or university NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for commercial buildings.
* Sewage treatment plant NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for commercial buildings.
* Shrub land Assumed New York City: Mannahatta () 0 BTU/(h * deg F * ft2)
* Sidewalk Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Single family home NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.141 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for residential buildings.
* Solar energy facility NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for commercial buildings.
* Solar heating panels Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Solid waste transfer plant NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for commercial buildings.
* Stadium NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for commercial buildings.
* Stream Assumed New York City: Mannahatta () 0 BTU/(h * deg F * ft2)
* Streetcar line Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Street (collector) Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Street trees Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Subway NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for commercial buildings.
* Swimming pool Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Tidal energy facility NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for commercial buildings.
* Traffic slowed street Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Trail Assumed New York City: Mannahatta () 0 BTU/(h * deg F * ft2)
* Tunnel Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Utility yard Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)
* Warehouse NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for commercial buildings.
* Waste energy power plant NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for commercial buildings.
* Water treatment plant NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2) This value is based on the New York State building envelope requirements for commercial buildings.
* Water/wastewater storage tank NYS Division of Code Enforcement and Administration 2010- Energy Conservation Construction Code New York State: urban landscape (2010) 0.104 BTU/(h * deg F * ft2)
* Wind farm Assumed New York City: Urban Area () 0 BTU/(h * deg F * ft2)

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