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Why is glazing important?
2025-09-30
Glazing lets in light and fresh air and offer views that connect interior living spaces with the outdoors. Energy-efficient glazing makes your home more comfortable and dramatically reduces your energy costs.
However, inappropriate or poorly designed glazing can be a major source of unwanted heat gain in summer and significant heat loss and condensation in winter. Up to 87% of a home’s heating energy can be gained and up to 40% lost through windows. Improving your glazing’s thermal performance will reduce energy consumption, therefore lowering costs and greenhouse gas emissions.
Glazing is a significant investment in the quality of your home. The cost of glazing and the cost of heating and cooling your home are closely related. An initial investment in energy-efficient windows, skylights and doors can greatly reduce your annual heating and cooling bill. Energy-efficient glazing also reduces the peak heating and cooling load, which can reduce the required size of an air-conditioning system by 30%, leading to further cost savings.