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Why Triple Glazing?
Given the condensation resistance, energy savings and enhanced comfort of triple glazing, all at modest incremental costs – the question is not, “Why triple glazing?”
The questions is, “Why not triple glazing?”
- Omega Lifestyle's superior strength frames can take the weight
- dramatically better than double glazing
- insulates up to 60% better than a low-e/argon/gas-filled double
- 80% less radiation heat transfer between glass and room
- starts at 15% more than double glazing
- Traditional argument against triple glazing is the extra weight.
- The extra rigidity and strength of Omega Liifestyle's superior strength frames are suitable for the heavier weight of triple glazing.
- Not surprisingly, a triple glazed window is warmer not just at its edge, but over its entire glazed surface.
- New homes and new commercial buildings are featuring larger and larger glass areas.
- While spectacular, they can be uncomfortable when temperatures plummet.
- They are uncomfortable for two reasons
- natural convection
- radiation.
Natural Convection
- During the heating season, windows are cooler than room temperature.
- The air immediately next to them is cooled and falls.
- Called natural convection.
- Driven by temperature difference between the inside face of the glass and the room temperature.
- As inside glass temperature drops, the speed and volume of air being convected increases.
- The air immediately next to them is cooled and falls.
- Natural convection explains draft at the bottom of a fixed window on a cold day.
- Heating
systems are placed below windows – so that they can counteract the cold
draft off the glass – at least while the furnace is on.
- Heating
systems are placed below windows – so that they can counteract the cold
draft off the glass – at least while the furnace is on.
- Warmer window diminishes natural convection, and results in greater thermal comfort.
- People's tolerance of wintertime temperatures and poor humidities has decreased.
- While it may have been normal for your parents to wake-up with dry throats, today people expect their homes to be more humid.
- While it may have been normal for your parents to wake-up with dry throats, today people expect their homes to be more humid.
- Higher humidities lead, not surprisingly, to greater and more persistent condensation on windows.
- Persistent condensation leads to both visible and hidden toxic mold.
- Persistent condensation leads to both visible and hidden toxic mold.
- Double glazing was improved with low e glass and argon gas filling.
- Condensation starts at the edges - improving the center of the units insulation has limited advantages.
- Condensation starts at the edges - improving the center of the units insulation has limited advantages.
- Increased condensation protection requires an improved edge. However,
even the addition of the warmest of the warm edge spacers –
has only a modest effect on edge of glass temperatures.
- For proof look at the thermographic images below.
- Triple glazing with aluminum spacers is warmer than the double glazing with a foam spacer.
- Warmest edge of all is the triple glazing with Warm Edged Spacer.
- For proof look at the thermographic images below.
- While there is no window that will resist condensation under any circumstance, triple glazing with our Warm Edged Spacer is the best protection currently available.