Not all basement windows are built the same. The windows we install are specifically designed to handle the challenges of below-grade spaces — where moisture, drafts, and security can all be concerns. Every unit we install comes with premium features that improve strength, efficiency, and convenience, so you can enjoy a basement that’s brighter, safer, and more comfortable year-round.
Basement Windows
Brighten and Protect Your Basement with Custom Windows
Basement windows are essential for keeping your space dry, secure, and comfortable. At CT Cellar Doors, we install and replace durable basement windows built for New England’s climate. From aging hopper windows to modern insulated units, we offer solutions that improve ventilation, security, and efficiency.
Reliable Performance
Durable frames and insulated glass are built to withstand moisture, drafts, and pests.
Fast, Professional Installation
Custom-fit and sealed for your foundation opening — most projects finished in just one day.
Energy Efficiency
Well-insulated designs reduce drafts and keep your basement more comfortable year-round.
Custom Style Options
Choose from hopper, sliding, or glass block windows to match your home’s design and function.
Are Basement Windows Right for Your Home?
If your current windows are warped, rusted, or no longer sealing properly, replacement windows will protect your home and improve comfort. New basement windows are a smart choice if you want to:
- Eliminate drafts, leaks, or condensation
- Improve security and ventilation in your basement
- Brighten dark spaces with natural light
- Upgrade from outdated, inefficient windows
Basement Window Installations
CT Cellar Doors installs high-quality basement windows across Connecticut and Southern Massachusetts, giving homeowners durable, energy-efficient solutions that improve comfort, security, and natural light.



