At HTR Windows & Doors, we want you to be proud of the look of your Los Angeles home. You've probably seen our replacement windows, front doors, and patio doors on the homes you admire in your Los Angeles neighborhood. Our professional window installers can also make a lasting improvement to your home and will provide you with a great, reliable and affordable service! We recently replaced 25 casement and double sash windows in Toronto home and installed bay windows on new homes.