
Ventilate even in light rain

Illuminates dark spaces
Hopper windows in Kansas City do the same job below grade that awning units do above it, and awning and hopper windows are often specified together on the same house.

Bottom or Top Hinged and Easy to Open for Air-Flow.

Interior and Exterior Accessory Grooves, Durable Zinc Cast Top Mounting Lock and Hinge.

Insulated Panel Available to Mull to a Hopper Window.


An awning hinges at the top and opens outward. A hopper hinges at the bottom and opens inward. They are specified together often enough that most homeowners see them on one quote, usually with awnings above grade and hoppers below it.
The sash forms a small roof over the opening, so an awning can stay open through a Kansas City shower without water tracking into the room.
Ideal above a counter, a bath or a bed, where you want ventilation and daylight but not a view or an opening anyone can reach.
Hinged at the bottom and opening inward, so nothing swings into a window well. The standard below-grade solution across the metro.
Like a casement, the sash pulls against the frame all the way round rather than sliding past a brush seal, so they test very well on air leakage.
A common and good combination: fixed glass for the view, a narrow awning beneath or above it for the airflow.
An awning opens outward, so it is the wrong choice next to a walkway, a deck rail or anywhere it becomes something to walk into.
Neither style is complicated, but both have a hinge and an operator carrying the weight of the sash, and both are frequently fitted in the hardest places on the house to reach.
The crank or scissor arm is the moving part under load and the component most likely to need service. On a high window that means a ladder, so quality here is worth paying for.
A hopper is only as good as the well outside it. A well that holds water will find its way past any seal eventually, so we check drainage as part of the measure.
A hopper in a basement bedroom must still meet the clear opening requirement, and many existing ones do not. We check it before quoting.
Only if it meets the clear opening required for emergency escape, which most awnings do not because the sash blocks part of the aperture. We measure it rather than assume.
Very. You get real ventilation high on the wall with no loss of privacy and no sash to reach across a bath, which is why we fit a lot of them in bathrooms.
Not on their own. Nearly every hopper complaint we investigate is a window well that does not drain, which pushes water against the frame from outside.
These two styles solve specific problems rather than being a default choice, so it helps to see where they actually end up on a typical house here.
An awning set high gives ventilation over a work surface without a sash you have to lean across a sink to reach.
Obscured glass plus a high awning gives you airflow and privacy at once, which no other style manages as neatly.
A narrow awning under a large fixed pane keeps the view clean and still lets the room breathe.
Hoppers are the standard below grade, though the clear opening has to be checked against egress rules before anything is ordered.
A room that needs to vent moisture and is rarely looked at from outside is close to the ideal hopper application.
High on a wall where nobody will ever reach the sash, an awning on a long crank gives controllable airflow through the stack.
Because the sash swings outward on an awning, the screen mounts on the room side. Worth knowing if the window frames a view you care about.
High units need a longer operator or a pole. We confirm you can actually work the window from a standing position before it is fitted.
Awnings above grade and hoppers below often end up on the same elevation, so we match frame colour and grille pattern across both.
An open awning catches a gust. It is an operating habit rather than a product fault, but it is worth saying out loud on a hail-prone street.
A clear cover over a basement window well keeps rain and leaves out of the well, which is the single cheapest way to protect a hopper.
Frosted, reeded and rain patterns are all available, which is why these styles work so well in bathrooms and on tight lot lines.