Specialties Central Texas Efficient Windows & Siding is open! Get your quote today! We are a locally-owned business with a reputation for getting every job done right the first time. We start with top-quality products from trusted brands like Andersen windows and James Hardie siding, and an uncompromising focus on quality. We don't stop until you say a job is done and deserves a 5-star review. It's that meticulous approach, our emphasis on honesty and transparency, and our affordable prices that make your experience an enjoyable one. Our hands-on owner is on the job site every day to ensure all your questions are answered and we're completing everything to your satisfaction and our high standards of perfection. No matter how large your project is, you can count on us to turn every detail of your vision into a beautiful reality. History Established in 2017. Glen McEuen has been both a consultant and a managing partner for other window and siding companies in Austin. He decided to step out on his own and, with the help of his wife Ana, hopes to earn your business. Not because he was the lowest price (which DOES happen), or because he was the smoothest fast-talker, but because he EARNED your trust. Remember, we are not done until we have earned a 5-Star rating!