Window Ratings

Atlantic Canada is home to some truly awe-inspiring weather — winds that take your breath away, fierce storms, and absolutely stunning skies. And the best way to experience it all is looking out from inside your cozy home.

At Atlantic Windows, we know exactly what elements our products are up against, and we’ve been manufacturing not only beautiful windows, but windows of the highest energy efficiency for over 30 years.

Series	Type	Performance	Energy Rating	U-Value (W/m²·K)	SHGC	Energy Star® Certified	PG Rating	CSA A440.0 Water (730 Pa)	CSA A440.0 Wind (A3 Max)
Summit	Awning	Standard	34	1.48	0.47	Y	60	720	A3
Summit	Awning	Triple Pane	36	1.25	0.42	Y	60	720	A3
Summit	Awning	LSHG - LoE366	19	1.42	0.18	N	60	720	A3
Summit	Casement	Standard	35	1.48	0.47	Y	65	720	A3
Summit	Casement	Triple Pane	38	1.19	0.42	Y	65	720	A3
Summit	Casement	LSHG - LoE366	19	1.42	0.18	N	65	720	A3
Summit	Double Hung	High Performance	33	1.65	0.53	N	70	720	A3
Summit	Double Hung	Standard	33	1.65	0.53	N	40	720	A3
Summit	Double Hung	Triple Pane	37	1.36	0.48	Y	40	720	A3
Summit	Double Hung	Triple Pane High Performance	37	1.36	0.48	Y	40	720	A3
Summit	Double Hung	LSHG - LoE366	16	1.59	0.21	N	40	720	A3
Summit	Double Slider	High Performance	33	1.65	0.53	N	25	290	A3
Summit	Double Slider	Standard	33	1.65	0.53	N	25	290	A3
Summit	Double Slider	Triple Pane	37	1.36	0.48	Y	40	360	A3
Summit	Double Slider	Triple Pane High Performance	37	1.36	0.48	Y	40	360	A3
Summit	Double Slider	LSHG - LoE366	16	1.59	0.21	N	25	290	A3
Summit	Horizontal Slider	High Performance	35	1.59	0.53	Y	65	470	A3
Summit	Horizontal Slider	Standard	35	1.59	0.53	Y	55	400	A3
Summit	Horizontal Slider	Triple Pane	38	1.31	0.47	Y	55	400	A3
Summit	Horizontal Slider	Triple Pane High Performance	38	1.31	0.47	Y	65	470	A3
Summit	Horizontal Slider	LSHG - LoE366	19	1.48	0.21	N	55	400	A3
Summit	Picture	3¼ Standard	41	1.53	0.59	Y	100	720	A3
Summit	Picture	3¼ Triple Pane	45	1.19	0.53	Y	100	720	A3
Summit	Picture	3¼ LSHG - LoE366	22	1.42	0.23	N	100	720	A3
Summit	Picture	3¾ Standard	40	1.53	0.58	Y	75	720	A3
Summit	Picture	3¾ Triple Pane	44	1.19	0.52	Y	75	720	A3
Summit	Picture	3¾ LSHG - LoE366	21	1.42	0.22	N	75	720	A3
Summit	Picture	4½ Standard	41	1.53	0.59	Y	100	720	A3
Summit	Picture	4½ Triple Pane	45	1.19	0.53	Y	100	720	A3
Summit	Picture	4½ LSHG - LoE366	22	1.42	0.23	N	100	720	A3
Summit	Shapes	3¼ Standard	41	1.53	0.59	Y	100	720	A3
Summit	Shapes	3¼ Triple Pane	45	1.19	0.53	Y	100	720	A3
Summit	Shapes	3¼ LSHG - LoE366	22	1.42	0.23	N	100	720	A3
Summit	Shapes	3¾ Standard	40	1.53	0.58	Y	60	720	A3
Summit	Shapes	3¾ Triple Pane	44	1.19	0.52	Y	80	720	A3
Summit	Shapes	3¾ LSHG - LoE366	21	1.42	0.22	N	60	720	A3
Summit	Shapes	4½ Standard	41	1.53	0.59	Y	100	720	A3
Summit	Shapes	4½ Triple Pane	45	1.19	0.53	Y	100	720	A3
Summit	Shapes	4½ LSHG - LoE366	22	1.42	0.23	N	100	720	A3
Summit	Single Hung	High Performance	35	1.59	0.53	Y	70	730	A3
Summit	Single Hung	Standard	35	1.59	0.53	Y	50	730	A3
Summit	Single Hung	Triple Pane	38	1.31	0.47	Y	55	730	A3
Summit	Single Hung	Triple Pane High Performance	38	1.31	0.47	Y	80	730	A3
Summit	Single Hung	LSHG - LoE366	19	1.48	0.21	N	50	730	A3
Summit	Tilt-Turn	Standard	35	1.59	0.52	Y	85	720	A3
Summit	Tilt-Turn	Triple Pane	39	1.25	0.47	Y	85	720	A3
Vision	Awning	Standard	34	1.48	0.47	Y	60	720	A3
Vision	Awning	Triple Pane	36	1.25	0.42	Y	60	720	A3
Vision	Awning	LSHG - LoE366	19	1.42	0.18	N	60	720	A3
Vision	Casement	Standard	35	1.48	0.47	Y	65	720	A3
Vision	Casement	Triple Pane	38	1.19	0.42	Y	65	720	A3
Vision	Casement	LSHG - LoE366	19	1.42	0.18	N	65	720	A3
Vision	Horizontal Slider	High Performance	34	1.7	0.55	Y	50	360	A3
Vision	Horizontal Slider	Standard	34	1.7	0.55	Y	40	330	A3
Vision	Horizontal Slider	LSHG - LoE366	17	1.59	0.21	N	40	330	A3
Vision	Picture	3¼ Standard	41	1.53	0.59	Y	100	720	A3
Vision	Shapes	3¼ Standard	41	1.53	0.59	Y	90	720	A3
Vision	Picture	3¼ LSHG - LoE366	N	1.42	0.23	N	100	720	A3
Vision	Shapes	3¼ LSHG - LoE366	N	1.42	0.23	N	90	720	A3
Vision	Single Hung	High Performance	34	1.7	0.55	Y	55	580	A3
Vision	Single Hung	Standard	34	1.7	0.55	Y	35	580	A3
Vision	Single Hung	LSHG - LoE366	17	1.59	0.21	N	35	580	A3

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