Trusted by NASA and made in the USA.
The smarter alternative to replacement windows. Winsulator interior panels deliver up to 40% energy savings, up to 70% noise reduction, and full preservation of your home’s original windows.
Winsulator specializes in addressing window inefficiencies without breaking the bank. The patented acrylic window panel and magnetic anchor system preserve the look, structure, and character of your existing windows. Winsulator interior window insulating panels give your windows additional thermal efficiency, better sound control, and eliminate air infiltration. If your windows let in too much heat, cold or noise contact us today!
Texas residential energy rates are up 70% over last year!
Winsulator panels improve efficiency without the cost of replacements. Our patented system delivers 8X the insulating power of a single pane.
Winsulator’s sound-control panels block noise before it enters your home. Enjoy quieter rooms with up to 70% reduction through existing windows.
Winsulator preserves beauty and character without window removal. I ncrease efficiency while keeping the original design fully intact. Contact Us For More Information.
From insulation to noise control, we design smart interior window solutions that improve comfort, efficiency, and performance without changing the look of your existing windows.
Improve comfort and reduce energy use without replacing your windows. Winsulator panels add thermal insulationthrough a patented interior magnetic panel system.
Reduce outside noise and create quieter, more peaceful rooms. Winsulator panels block sound before it enters through your existing window structure.
Preserve the beauty and character of your original windows while improving comfort and efficiency with a seamless interior panel for historic properties.
Explore our collection of real-world projects that demonstrate the performance, reliability, and long-term value of Winsulator interior window systems across homes, businesses, and historic properties.
Winsulator participated in NASA’s Technology Outreach Program, where engineers submitted our interior panel system for analysis at the renowned Oak Ridge National Laboratory. The results confirmed significant gains in comfort and efficiency across every tested category.
The Public Works Center in Jacksonville installed 5,500 Winsulator panels across five major projects at and around Naval Air Station Jacksonville. With nearly 53,000 square feet improved, the Navy now saves over $220,000 annually while experiencing a substantial increase in comfort and performance.
Embassy House partnered with Winsulator to boost comfort and efficiency throughout the building. After
installation, performance improved dramatically, with better insulation, reduced noise, and stronger thermal control—delivering consistent comfort for every resident and exceptional overall satisfaction.
We saved this spot for your results. Whether you want better insulation, quieter rooms, or historic preservation, Winsulator delivers measurable improvements that transform comfort and energy performance in any home or commercial space.
Electricity prices have increased 1.8% per year in the United States for the past 25 years. Why wait another year to fix your window problems?