Compare Medium Tinted Solar Films

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Performance AssessmentSilverGoldSilverBronzeBronzeBronze
Best Buy Heat ReductionHighest heat reduction (TSER) and best for insulation (U-value)Least Reflective
Second highest heat reduction (TSER) at 1/3 less cost than top performer.Lower heat reduction and no more reflective (orinsulating) than clear glass.
COMPANYASWFSolar GardSolar GardJohnson Window Films SuntekHanitaSolar Gard SuntekASWFASWFASWFJWFJWFSuntekSolar Gard 3MMEP Films Llumar MEP Films LlumarSolar Gard
FILM 3mm clear glassSky 20Stirling 20Slate 20Scenic View 25SYDS 25 OptiTune 22Quantum 20DRDS 25 Nature 20Daydream 25Moon Light 25Night Scape NS25Daylight Natural DN20IDS20Night Sky 20 Night Vision 25N1020 Neutral)NS28 GreyStainless Steel 20
WERS rated (1)YesYesYesYesYesYesYesYesYesYesYesYesYesYesYesYesYesYesYes
VLT % (2)89%23%23%23%27%27%21%22%25%24%28%24%24%22%23%20%24%24%27%24%
VLR % (3)8%Internal 16% External 33%Internal 42% External 45%Internal 17% External 31%Internal 25% External 38%Internal 20% External 35%Internal 15% External 32%
best    Internal 6% External 8%
Internal 13% External 26%Internal 25% External 28%Internal 18% External 31%Internal 17% External 12%Internal 16% External 33%Internal 26% External 26%Internal 27% External 28%Internal 12% External 13%Internal 7% External 19% External 28%External 13%Internal 25% External 28%
UV block % (4)25% UVa99%99%99%99%99%99%99%99%99%99%99%99%99%99%99%99%99%99%99%
U-Value (5)5.95.7
best   5.4
5.95.75.85.85.95.26.15.85.85.46.05.96.05.95.75.85.9
SHGC (6)0.850.300.240.300.330.380.330.410.330.350.360.350.350.400.350.430.390.370.440.38
TSER % (7) (Heat)14%70%
best   76%
70%67%67%67%59%66%65%64%60%65%61%65%57%61%63%56%62%
Sales Rep Price $M2$50.32$70.73$72.42$55.32$60.35$63.91$75.90$60.35$50.32$50.32$51.02$53.00$55.83$59.15$60.50$64.64$38.61$38.61$70.73
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WebQuote Price
best   $42.78
$60.13$61.57$47.03$51.30$54.33$64.52$51.30
best   $42.78
best   $42.78
$43.38$45.06$47.46$50.28$51.43$54.95$32.82$32.82$60.13
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Meaning of Symbols
thumbs up smiley
Best Value 
The film that we assess offers the best value for money - highest performance at the lowest cost, taking into account heat (TSER) and insulating performance (U-value), high Visible Light Transmission (VLT) and low Visible Light Reflection.
The difference in price between films is often greater than the difference in performance.
gold medal Highest heat (TSER) performance
silver medal Second highest heat (TSER) performance
bronze medal Third highest heat (TSER) performance
best
Best performance against a specific criteria - for example, highest VLT, lowest VLR, lowest U-value, lowest price.
  • No smiley awared where ALL films perform the same (eg UVblocked  99%)
  • Multiple Smiley's awared where two or more films achieve equal highest performance.
  • No smiley awarded for SHGC since the optimal SGHC for your property, based on location and orientation of windows, will be assessed after an energy audit.
  
Glossary of Terms
1. WERS
Windows Energy Rating Scheme - performance data has been independently tested and verified as correct
2. VLT % Visible Light Transmission - % of visible light that passes through the film. Usually more is better
3. VLR % Visible Light Reflected - % of visible light that is reflected by the film. Clear glass has a VLR of 8%. The higher the VLR the more shiny (mirrored) the film appears. A personal preference but usually less is better
4. UV Blocked % UltraViolet Light Blocked - % of UV light blocked by the film. UV causes sun damage and fading, so more blocked the better
5. U-Value A measure of the flow of heat through a window (glass and frame): the lower the U-value, the better the insulating ability of the window - will keep the interior warmer in winter and cooler in summer
6. SHGC Solar Heat Gain Coefficient - a measure of the amount of heat that can be gained through your windows at times of direct solar contact. The SHGC is important as during summer the SHGC can add large amounts of unwanted heat to your house. Equally in winter the SHGC can be utilised to provide cost and pollution free heat from the sun. The Solar heat gain is measure as a coefficient and indicates the amount of direct solar heat that will penetrate your house.
The SHGC is mainly affected by the glazing type. Products like tinted glass and applied films can help to reduce the SHGC. It is important that when selecting windows and doors the orientation, location and house design are all considered to achieve the best outcomes. In cooler climates it is often advantageous to have a higher SHGC and in hotter climates a lower SHGC is better. To comply with energy reports, the SHGC must be within 10% of the set value,
7. TSER % Total Solar Energy Rejected - % of solar energy (Visible Light + UV Light + InfraRed Light) blocked by the film. All three forms of solar energy will convert to heat energy. Higher % blocked is better but should compare films with similar VLT. Blocking more visible light will improve TSER but make a room feel darker.

These films are very light in appearance and provide some heat, fading and glare protection