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Denver, Colorado

EWC Recommended Properties:
U-Factor ≤ 0.40 or less
SHGC ≤ 0.40 or less
VT = 0.50 or more

Energy Costs
Natural Gas: $0.992/therm
Electricity: $0.120/kWh

Colorado Denver Grand Junction

Colorado Factsheet

State Code Information

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ENERGY STAR®:

 Yes 

Construction Type:

 New      Existing 

Product Type:

 Windows      Skylights 

Window Types Properties Annual Energy Use ENERGY STAR®
Qualified		 Manufacturer
Information
insulatedtriple_ss

Window 33
Triple-glazed with High-Solar-Gain Low-E, Argon/Krypton Gas
Insulated Vinyl or Fiberglass

U = 0.18
SHGC = 0.40
VT = 0.50 		Total: $502Heating: $ 445Cooling: $ 57 Products
insulateddouble_ss

Window 30
Double-glazed with High-Solar-Gain Low-E, Argon/Krypton Gas
Insulated Vinyl or Fiberglass

U = 0.29
SHGC = 0.56
VT = 0.58 		Total: $529Heating: $ 448Cooling: $ 81 Products
insulatedtriple_ss

Window 34
Triple-glazed with Low-Solar-Gain Low-E, Argon/Krypton Gas
Insulated Vinyl or Fiberglass

U = 0.18
SHGC = 0.26
VT = 0.43 		Total: $536Heating: $ 500Cooling: $ 36 Products
insulateddouble_ss

Window 31
Double-glazed with Moderate-Solar-Gain Low-E, Argon/Krypton Gas
Insulated Vinyl or Fiberglass

U = 0.27
SHGC = 0.46
VT = 0.60 		Total: $537Heating: $ 473Cooling: $ 64 Products
vinyltriple_ss

Window 25
Triple-glazed with High-Solar-Gain Low-E, Argon/Krypton Gas
Wood , Wood Clad , Vinyl or Hybrid/Composite

U = 0.29
SHGC = 0.38
VT = 0.47 		Total: $565Heating: $ 513Cooling: $ 52 Products
insulateddouble_ss

Window 32
Double-glazed with Low-Solar-Gain Low-E, Argon/Krypton Gas
Insulated Vinyl or Fiberglass

U = 0.26
SHGC = 0.31
VT = 0.55 		Total: $567Heating: $ 525Cooling: $ 42 Products
claddouble_ss

Window 22
Double-glazed with High-Solar-Gain Low-E, Argon/Krypton Gas
Wood , Wood Clad , Vinyl or Hybrid/Composite

U = 0.37
SHGC = 0.53
VT = 0.54 		Total: $573Heating: $ 499Cooling: $ 74   Products
claddouble_ss

Window 23
Double-glazed with Moderate-Solar-Gain Low-E, Argon/Krypton Gas
Wood , Wood Clad , Vinyl or Hybrid/Composite

U = 0.35
SHGC = 0.44
VT = 0.56 		Total: $582Heating: $ 522Cooling: $ 60 Products
vinyltriple_ss

Window 26
Triple-glazed with Low-Solar-Gain Low-E, Argon/Krypton Gas
Wood , Wood Clad , Vinyl or Hybrid/Composite

U = 0.28
SHGC = 0.25
VT = 0.40 		Total: $594Heating: $ 561Cooling: $ 33 Products
insulateddouble_ss

Window 27
Double-glazed Clear
Insulated Vinyl or Fiberglass

U = 0.44
SHGC = 0.60
VT = 0.63 		Total: $594Heating: $ 509Cooling: $ 85   Products
claddouble_ss

Window 24
Double-glazed with Low-Solar-Gain Low-E, Argon/Krypton Gas
Wood , Wood Clad , Vinyl or Hybrid/Composite

U = 0.34
SHGC = 0.30
VT = 0.51 		Total: $611Heating: $ 572Cooling: $ 39 Products
insulateddoubletint_ss

Window 28
Double-glazed with Bronze/Gray Tint
Insulated Vinyl or Fiberglass

U = 0.44
SHGC = 0.49
VT = 0.48 		Total: $614Heating: $ 548Cooling: $ 66    
claddouble_ss

Window 19
Double-glazed Clear
Wood , Wood Clad , Vinyl or Hybrid/Composite

U = 0.49
SHGC = 0.56
VT = 0.59 		Total: $624Heating: $ 547Cooling: $ 77   Products
alumdoubleb_ss

Window 14
Double-glazed with High-Solar-Gain Low-E, Argon/Krypton Gas
Aluminum with Thermal Break

U = 0.50
SHGC = 0.58
VT = 0.58 		Total: $624Heating: $ 544Cooling: $ 80    
insulateddoublegreen_ss

Window 29
Double-glazed with High Performance Tint
Insulated Vinyl or Fiberglass

U = 0.44
SHGC = 0.41
VT = 0.54 		Total: $632Heating: $ 579Cooling: $ 53    
alumdoubleb_ss

Window 15
Double-glazed with Moderate-Solar-Gain Low-E, Argon/Krypton Gas
Aluminum with Thermal Break

U = 0.48
SHGC = 0.48
VT = 0.60 		Total: $635Heating: $ 571Cooling: $ 64    
claddoubletint_ss

Window 20
Double-glazed with Bronze/Gray Tint
Wood , Wood Clad , Vinyl or Hybrid/Composite

U = 0.49
SHGC = 0.47
VT = 0.44 		Total: $642Heating: $ 580Cooling: $ 62    
claddoublegreen_ss

Window 21
Double-glazed with High Performance Tint
Wood , Wood Clad , Vinyl or Hybrid/Composite

U = 0.49
SHGC = 0.39
VT = 0.50 		Total: $660Heating: $ 611Cooling: $ 49   Products
alumdouble_ss

Window 6
Double-glazed with High-Solar-Gain Low-E, Argon/Krypton Gas
Aluminum

U = 0.61
SHGC = 0.64
VT = 0.62 		Total: $661Heating: $ 573Cooling: $ 88    
alumdoubleb_ss

Window 16
Double-glazed with Low-Solar-Gain Low-E, Argon/Krypton Gas
Aluminum with Thermal Break

U = 0.47
SHGC = 0.33
VT = 0.55 		Total: $667Heating: $ 626Cooling: $ 41   Products
alumdoubleb_ss

Window 11
Double-glazed Clear
Aluminum with Thermal Break

U = 0.63
SHGC = 0.62
VT = 0.63 		Total: $672Heating: $ 588Cooling: $ 84   Products
alumdouble_ss

Window 7
Double-glazed with Moderate-Solar-Gain Low-E, Argon/Krypton Gas
Aluminum

U = 0.60
SHGC = 0.53
VT = 0.65 		Total: $677Heating: $ 608Cooling: $ 69    
alumdoubletintb_ss

Window 12
Double-glazed with Bronze/Gray Tint
Aluminum with Thermal Break

U = 0.63
SHGC = 0.52
VT = 0.48 		Total: $692Heating: $ 625Cooling: $ 67    
alumdouble_ss

Window 8
Double-glazed with Low-Solar-Gain Low-E, Argon/Krypton Gas
Aluminum

U = 0.59
SHGC = 0.37
VT = 0.59 		Total: $711Heating: $ 666Cooling: $ 45    
alumdoubletintb_ss

Window 13
Double-glazed with High Performance Tint
Aluminum with Thermal Break

U = 0.63
SHGC = 0.43
VT = 0.54 		Total: $713Heating: $ 660Cooling: $ 53    
alumdouble_ss

Window 3
Double-glazed Clear
Aluminum

U = 0.76
SHGC = 0.68
VT = 0.68 		Total: $715Heating: $ 622Cooling: $ 93    
alumdouble_ss

Window 4
Double-glazed with Bronze/Gray Tint
Aluminum

U = 0.76
SHGC = 0.56
VT = 0.51 		Total: $737Heating: $ 665Cooling: $ 72    
cladsingle_ss

Window 17
Single-glazed Clear
Wood , Wood Clad , Vinyl or Hybrid/Composite

U = 0.84
SHGC = 0.64
VT = 0.65 		Total: $752Heating: $ 668Cooling: $ 84    
alumdoublegreen_ss

Window 5
Double-glazed with High Performance Tint
Aluminum

U = 0.76
SHGC = 0.47
VT = 0.57 		Total: $757Heating: $ 700Cooling: $ 57    
cladsingletint_ss

Window 18
Single-glazed with Bronze/Gray Tint
Wood , Wood Clad , Vinyl or Hybrid/Composite

U = 0.84
SHGC = 0.54
VT = 0.49 		Total: $772Heating: $ 705Cooling: $ 67    
alumsingleb_ss

Window 9
Single-glazed Clear
Aluminum with Thermal Break

U = 1.00
SHGC = 0.70
VT = 0.70 		Total: $798Heating: $ 706Cooling: $ 92    
alumsingletintb_ss

Window 10
Single-glazed with Bronze/Gray Tint
Aluminum with Thermal Break

U = 1.00
SHGC = 0.59
VT = 0.53 		Total: $820Heating: $ 746Cooling: $ 74    
alumsingle_ss

Window 1
Single-glazed Clear
Aluminum

U = 1.16
SHGC = 0.76
VT = 0.75 		Total: $844Heating: $ 742Cooling: $ 102    
alumsingletint_ss

Window 2
Single-glazed with Bronze/Gray Tint
Aluminum

U = 1.16
SHGC = 0.65
VT = 0.56 		Total: $863Heating: $ 781Cooling: $ 82    
legend

House Note: The annual energy performance figures shown here were generated using RESFEN for a typical (new or existing) 2000 sq. ft. house with 300 sq ft of window area (15% of floor area). The windows are equally distributed on all four sides of the house and include typical shading (interior shades, overhangs, trees, and neighboring buildings). U-factor, SHGC, and VT are for the total window including frame. The costs shown here are annual costs for space heating and space cooling only and thus will be less than total utility bills. Costs for lights, appliances, hot water, cooking, and other uses are not included in these figures. The mechanical system uses a gas furnace for heating and air conditioning for cooling. The gas and electric prices used in these figures are provided by the Energy Information Administration (EIA) (www.eia.doe.gov). The prices shown in the figures are average energy prices projected for the period of 2006-2030, which is the typical effective lifetime of a window installed in 2005. The bases for these prices are average state-specific 2005 prices for electricity during the cooling season and for natural gas during the heating season, adjusted by the projected difference between average national 2005 prices and average national prices between 2006 and 2030. The 2006-2030 prices are based on EIA projections of future prices in real 2004 dollars that have been adjusted to take into account an estimated future inflation rate of 3 percent annually. RESFEN is a computer program for calculating the annual cooling and heating energy use and costs due to window selection and is available from Lawrence Berkeley National Laboratory (windows.lbl.gov/software/resfen).