Energy & Cost Efficient Glasses

Summer Solar Heat

Solar Heat Gain Coefficient

Visible Light
Ultraviolet Energy

Ultraviolet Energy

Winter Furnace Heat

At Landmark we only use Energy-Efficient glass for our Windows, this will ensure:

  • Energy & Cost Savings
  • Improved Comfort
  • Less Condensation
  • Increased Light & Improved View
  • Reduced Fading
  • Lower HVAC Costs

On our glass is assembled using the Intercept® Spacer System by PPG helps reduce heat loss. The thermal performance of IG units can be enhanced by using a spacer material that has a lower energy conductance rate and/or has less physical mass, which equates to a lower energy transfer path
We offer three different glass packages in our vinyl windows for greater comfort and peace of mind. To ensure you are selecting the right glass package for your home call us today for a free no obligation quote.




Power Max Cash Back Power Source
What is it Type of glass coating (Argon gas filled) A extremely thin low-e coating for glass Pyrolytic Low-E Glass (Passive Low-E)
Glass Benefits
  • UV protected in summer allowing natural light in
  • In winter the same characteristics keep furnace heat from leaving your home
  • Comfort in winter and summer(saves on heating and cooling costs)
  • Ease with lighting & fade protection
  • Greater comfort
  • Saves 30% on AC costs,
  • Reduces UV damage to curtain/floors etc.
  • Blocks solar energy in the summer
  • Reduces the escape of heat in the winter without any compromise to the appearance of your window inside your home or out
  • Clear glass appearance
  • More than 200 million square feet shipped in last decade
  • LSG of 1.19 with clear glass in a 1” IGU*
  • Can be combined with tints for LSG ratios of up to 1.66

*Without tints, this glass does not meet the U.S. DOE criteria for spectrally selectivity

Grills Available Yes Yes Yes

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