Coughlin Windows & Doors is one of the premier window replacement companies in the United States, and for good reason. Established over 15 years ago, Coughlin has remained at the forefront of their industry thanks to their commitment to quality and customer satisfaction. When it comes to window replacement, Coughlin stands head and shoulders above its competitors with a wide array of custom-made and innovative products that meet even the highest standards. Whether they’re replacing existing windows or installing brand new ones, each product is designed with both energy efficiency and aesthetic appeal in mind. Our windows are ENERGY STAR certified – meaning they block out heat during summer months while at the same time preventing warm air from escaping your home in winter – making them an ideal choice for people trying to save on energy costs throughout all seasons too!