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Single Hung WindowsSingle Hung Windows have the upper sash fixed and the lower sash slides vertically.  they don't take up exterior space when open. This makes them ideal for areas like adjoining walkways, porches, patios and other high-traffic areas. Green Energy Windows offer the added security of secure locking, with the exclusive SentryLock available in the Artisan Series or the option of the sturdy cam lock or easy-to-use positive action lock in our other vinyl windows, all built Our high-quality block and tackle balance spring system allows for simple, seamless operation. Artisan Series features the new SentryLock, an automatic, magnetic-action lock. Click on the links listed below for information about other window styles: |