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Energy Efficiency

Did you know that a single pane un-shaded window accounts for up to 45% of a home's accumulated heat? All window treatments have energy saving properties, but some are inherently more efficient than others. See chart below for a comparison of energy efficiency.

Energy Efficient window treatments provide year round energy savings on heating and cooling costs. Installing treatments on windows create exceptional home performance and comfort by cooling in the summer and retaining heat in the winter. In order to gauge the energy efficiency of any particular product and to be able to compare, numeric values are attributed to each product.

Winter Home Comfort

An "R" value is a measurement of a products ability to keep heat in and cold out. A standard uncovered double-pane window has an R-Value of 1.16. The chart below indicates the product + window covering. The higher the R-value the better the heat retention within the space. For example, if a covering plus window's R-value is 4.0 the product stops approximately 75% of the heat loss that would normally exit through an uncovered window.

Summer Home Comfort

A "Summer Shading Coefficient" is a measurement of a product's ability to reflect heat. For example, if a window treatment reduces heat by 75% to 85%, this translates into a summer shading coefficient of .25 to .15. The lower the product's coefficient, the more effective it is in reflecting heat.

HONEYCOMB SHADES Winter R-Value Summer Shading UV Blockage
Light Filtering
3/8'' Basic Honeycombs 3.45 0.45 99
3/8'' Honeycombs 3.70 0.45 99
3/8'' Brushstroke Honeycombs 3.60 0.44 98
3/4'' Honeycombs 3.60 0.44 99
3/4'' Brushstroke Honeycombs 3.60 0.44 98
Double Honeycombs 4.35 0.35 98
Blackout
3/8'' Blackout Honeycombs 5.00 0.36 99
3/4 Blackout Honeycombs 5.00 0.36 99
WOOD BLINDS Winter R-Value Summer Shading UV Blockage
Premium, Classic 3.17 0.35 99**
Specialty Woods N/A N/A 99**
Faux Wood N/A N/A 99**
PLANTATION SHUTTERS Winter R-Value Summer Shading UV Blockage
Premium Hardwood Shutters 2.77 0.21 99**
Vinyl Shutters 3.4 0.29 99**
SAVANNAH SHADINGS Winter R-Value Summer Shading UV Blockage
2 1/2'', 3 1/2'' 2.4 0.45 99**
NATURAL ROMAN SHADES Winter R-Value Summer Shading UV Blockage
All Fabrics N/A N/A N/A
VERTICAL BLINDS Winter R-Value Summer Shading UV Blockage
Fabric in Channel 1.98 0.22 95
Fabric Free Hanging 1.93 0.27 85
Vinyl 1.93 0.22 95**
PLEATED SHADES Winter R-Value Summer Shading UV Blockage
Sunrise Pleated 2.2 0.60 90
Linen Pleated 2.2 0.60 90
SOFT ROMAN SHADES Winter R-Value Summer Shading UV Blockage
Linen N/A N/A N/A
Bellini N/A N/A N/A
Shimmering Vines N/A N/A N/A
Pleated Vines N/A N/A N/A
SOLAR SCREENS* (Roller and Roman Shades) TS (Solar Transmittance) RS (Solar Reflectance) TUV (UV Transmittance)
Solar Basics (5% Openness Factor)
White Linen 21 60 5
Black 6 4 5
Black/Bronze 6 6 5
Solar Screens (1% Openness Factor)
White 18 59 1
Cream 14 47 1
Bronze 7 29 1
Solar Sheers (5% Openness Factor)
Mocha 7 7 7
Greystone 10 41 6
Pebblestone 14 50 7
Alabaster 16 56 7
*Ratings may change slightly depending on variances in windows, fit and color.
**Blinds or louvers in closed position.