Energy Efficient Windows in Ontario

Understanding Energy Star ratings, ER numbers, Low-E glass coatings, and Argon gas thermal performance.

How Low-E & Argon Gas Save Energy in Ontario

Ontario winters place heavy thermal demands on home HVAC systems. Modern Energy Star certified windows utilize micro-thin Low-Emissivity (Low-E) metallic coatings that reflect interior heat back into your living space during winter while blocking radiant solar heat during summer.

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