What Are Hopper Windows?
Hopper windows are hinged at the bottom and tilt inward from the top when opened. They're essentially the opposite of awning windows. This design makes them ideal for basement installations, bathrooms, and any location where a compact window with good ventilation is needed.
Benefits of Hopper Windows
- Perfect for basements: Designed to fit standard basement window openings
- Space efficient: Opens inward, no exterior clearance needed
- Good ventilation: Allows airflow while limiting debris entry
- Excellent seal: Sash presses against frame when closed for tight seal
- Easy to clean: Interior access to both glass surfaces
- Security: Difficult to enter from outside when open
- Affordable: Simple mechanism, cost-effective option
Ideal Applications
Basements
The most common use—brings light and ventilation to below-grade spaces.
Bathrooms
Provides privacy and ventilation in small bathroom spaces.
Laundry Rooms
Helps exhaust humidity and heat from dryers.
Small Spaces
Any location where exterior swing clearance is limited.
Hopper vs. Awning Windows
| Feature | Hopper | Awning |
|---|---|---|
| Hinge location | Bottom | Top |
| Opens | Inward (top tilts in) | Outward (bottom swings out) |
| Rain protection | Must close in rain | Can stay open in light rain |
| Exterior clearance | None needed | Required |
| Best for | Basements, tight exterior spaces | Above other windows, rain ventilation |
Basement Window Considerations
When replacing basement hopper windows, consider:
- Egress requirements: If used as bedroom, must meet egress size codes
- Window well: Proper drainage prevents water intrusion
- Energy efficiency: Insulated glass important for below-grade comfort
- Security bars: Can be added for protection while meeting egress needs
Energy Efficiency
Our hopper windows include:
- Double or triple-pane insulated glass
- Low-E coatings
- Argon gas fill
- Compression weatherstripping
- Vinyl or fiberglass frames