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Great Lakes Windows Prices
Great Lakes windows prices start at $350 and top out at $600. Some contractors consider them to be overpriced, but when you can find them for these target prices they are a good option. Ply Gem owns Great Lakes, and they discontinued the Grandview Series and are selling a nearly identical window as the Ply Gem Premium. Also check out these Great Lakes windows reviews.
Overall Price Range: $350 to $600 installed
Bayshore Series
Great Lake's entry level window is the Bayshore. It is basically a stripped down version of their more expensive lines, and the warranty is not transferable. A U-value of 0.47 and an SHGC of 0.48 aren't very impressive. Most homeowners would be better served by the Seabrooke or one of the other better windows. They deliver more long term value and have better performance ratings. Comparable to the Harvey Slimline Series.
Bayshore Window Pricing
Seabrooke Series
A step up from the Bayshore, the Seabrooke Series has a a few upgrades, including a fiberglass reinforced meeting rail. It has a U-value of 0.45 and an SHGC of 0.44, better than the budget window but still not great. In addition to the most common style, the double hung, it comes in a casement, slider, garden, bay, and bow. It can be compared to Simonton's 5050 Platinum.
Seabrooke Costs
Lifestyles Series
The Lifestyles is very similar to the Seabrooke. The U-factor and SHGC on the horizontal slider are both 0.45, and the difference in price is minimal. Comparable to the Ply Gem Pro Series - which is the company that owns them so many of the models and series are very close in performance and price.
Lifestlye Window Prices
UniFrame Series
The Uniframe introduced fusion welds, which have become quite common in recent years among many manufacturers. It comes as a double hung, casement, bay, bow, and garden window, but also has an available tilt-in slider called the Euroslider. A U-factor of 0.42 and an SHGC of 0.39 are better than Great Lakes other offerings. Sometimes sold at a premium price, this isn't a bad product if you can get it at the target price. Comparable to the Home Guard HomeStar Series.
Uniframe Cost
EcoSmart Series
A composite window, the EcoSmart is Great Lakes' energy efficient window and is priced higher than their other lines. The sloped sill is welded into a single piece and it features a non-metallic spacer called an I-Core. The hardware is die cast aluminum, and the seals and weatherstripping are fairly solid. The air infiltration rate is 0.06, which is outstanding. The double hung has a 0.26 U-factor, and it can be reduced to 0.15 with the EcoMaxKR glass package option. Comparable to the Soft-Lite Imperial LS Series.
EcoSmart window Price