Save Energy Costs

Save Energy Costs
highest quality Sound Proof Windows

WARMER WINTERS COOLER SUMMERS

Our windows systems helps maintain your room temperature

The best energy saving windows and doors Melbourne has to offer.

Up to 40% of all heat loss in a building is through the windows. Our secondary glazing energy saving windows can stop up-to two thirds the heat loss you are currently experiencing through your windows!

The advantages of Secondary Double Glazing include more than just sound reduction. Secondary Double Glazing also reduces heat loss, has less condensation, eliminates draughts and even increases property value. All this can be achieved for relatively little outlay, which is recovered over the years by lower fuel bills!

‘U’ Values

The rate of heat loss through a window is called a U value. A window with a U value of 4.0 W/m²K will lose twice as much heat as one with a U value of 2.0 W/m²K. The lower the U value the less heat you lose through your windows. See how our energy saving windows compare:

SetupGlass – Gap – GlassU value
Single glazing, 3mm glass:3mm – 0mm – 0mm5.9 W/(m².k)
Conventional double glazing:3mm – 6mm – 3mm3.4 W/(m².k)
Sound Proof Windows standard:6.38mm – 100mm – 6.38mm1.9 W/(m².k)

The U values achieved, combined with Sound Proof Window’s unique draft proofing properties, offer an excellent reduction in head loss, as well as maintaining cool from air conditioning in summer.

More figures:

Standards

  • Luminous and solar characteristics of glazing: EN 410 (1998)
  • Determination of UV, light and total solar transmittance: ISO 9050 (1990)
  • Determination of the thermal transmittance: EN 673 (1997)

Light Factor

  • Transmittance LT 69%
  • Outdoor reflectance LRE 18%
  • Indoor reflectance 16%

UV Factor

  • UV Transmittance TUV 27%

Energy Factors CEN (EN410)

  • Transmittance TW 53%
  • Outdoor reflectance RE 17%
  • Absorption A1 11%
  • Absorption A2 20%
  • Solar factor g 0.69
  • Shading coefficient SC 0.79
  • Solar factor g DIN 67507 (m1) 0.68
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