WDH-KFA Climate Window Adapter – Window Seal for Portable Air Conditioners
The WDH-KFA Climate Window Adapter is a practical window conduit for portable air conditioners with exhaust hoses. It allows for clean and targeted venting of warm exhaust air to the outside while simultaneously reducing the backflow of warm outdoor air into the room. The window adapter is suitable for casement and tilt windows and can be installed without drilling.
With portable air conditioners, a window seal that is as tight as possible is crucial for efficient cooling. Otherwise, warm outdoor air can enter the room through an open window. The WDH-KFA Window Adapter helps to direct the air conditioner's exhaust air outdoors in a targeted manner and seals the window opening as effectively as possible.
Practical solution for portable air conditioners: The WDH-KFA is suitable for exhaust hoses with a diameter of approx. 146–150 mm and allows for a flexible window lead-through without complex structural modifications.
Why use the WDH-KFA Climate Window Adapter?
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Optimized exhaust airflow: The warm exhaust air from the portable air conditioner is directed outside.
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Less warm return air: The window opening is sealed better than with a simple open exhaust setup.
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Installation without drilling: The window adapter can be installed without permanent structural changes.
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For casement and tilt windows: Flexible usage options for different window types.
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For exhaust hoses Ø 146–150 mm: Suitable for many portable air conditioners with a corresponding exhaust hose.
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Robust material: Durable materials suitable for regular use.
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Flexible design: Thanks to the various components, the window lead-through can be adapted to the respective situation.
Window seal for portable air conditioners
A portable air conditioner requires an opening to the outside for operation with an exhaust hose. If the window is simply opened, warm outside air can enter the room at the same time. This can impair the cooling performance.
The WDH-KFA Climate Window Adapter creates a defined passage for the exhaust hose. This allows the window opening to be better controlled and the warm exhaust air to be directed outside in a targeted manner.
The window adapter is particularly interesting for apartments, offices, bedrooms, and other rooms where there is no permanent wall lead-through for a portable air conditioner.
More cooling efficiency: An optimally sealed window opening helps to reduce the backflow of warm outdoor air and thus supports more efficient operation of the portable air conditioner.
Climate Window Adapter for tilt and casement windows
The WDH-KFA can be used in various window situations. It is particularly practical for use on tilt windows and classic casement windows.
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Tilt windows: Suitable for the typical window opening used with portable air conditioners.
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Casement windows: Flexible installation on the open window.
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Roof windows: The attachment can generally be placed on the frame depending on the window situation, but cannot necessarily be fixed there.
Actual suitability depends on the construction and dimensions of the respective window. Before installation, you should therefore check whether the window frame is suitable for the intended mounting.
Simple installation without drilling
The WDH-KFA Window Adapter has been developed for straightforward installation. The included components allow for the adjustment and fixing of the window lead-through without the need for permanent drilling in the window or wall.
This makes the window adapter particularly suitable for rented apartments or rooms where no structural changes should be made.
Technical data WDH-KFA
| Property |
Technical data |
| Model |
WDH-KFA |
| Product type |
Climate window adapter / window lead-through |
| Color |
White |
| Suitable for exhaust hoses |
Ø approx. 146–150 mm |
| Suitable for |
Portable air conditioners with exhaust hose |
| Window types |
Casement and tilt windows |
| Installation |
No drilling required |
| Weight |
Approx. 1.3 kg |
Scope of delivery
- 3-piece insulation foam set
- 9-piece anti-slip foam set
- 16-piece screw and nut set
- Bracket consisting of top and bottom part including clamping screw
- Main rail
- Way-out element
- Sandpaper with adhesive layer
User manual
Download WDH-KFA user manual (DE, FR, NL, EN)
Frequently asked questions about the WDH-KFA Climate Window Adapter
What is the WDH-KFA window adapter used for?
The WDH-KFA is used to direct the exhaust hose of a portable air conditioner through a window to the outside. At the same time, the window seal helps to reduce the backflow of warm outdoor air.
Which exhaust hoses is the WDH-KFA suitable for?
The WDH-KFA is intended for portable air conditioners with an exhaust hose of approx. 146–150 mm in diameter. Before purchasing, the diameter of the existing exhaust hose should be checked.
Does the climate window adapter fit tilt windows?
Yes. The WDH-KFA is suitable for use on tilt windows. The specific installation depends on the construction and dimensions of the respective window.
Can the WDH-KFA be installed without drilling?
Yes. The window adapter is designed for installation without drilling and is therefore also suitable for rented apartments and rooms where no permanent structural changes are desired.
Does the window adapter improve the cooling performance of my portable air conditioner?
A good window seal can reduce the backflow of warm outdoor air. This allows the WDH-KFA to support more efficient operation of the portable air conditioner and can help ensure that the available cooling capacity is utilized better.
Is the WDH-KFA suitable for roof windows?
For roof windows, the attachment can generally be placed on the window frame depending on the construction. However, firm fixation is not always possible with roof windows.
How heavy is the WDH-KFA?
The WDH-KFA climate window adapter weighs approx. 1.3 kg, making it easy to transport and install.
Which rooms is the WDH-KFA suitable for?
The window adapter is suitable for, for example, living rooms, bedrooms, offices, attic apartments, and rental properties where a portable air conditioner with an exhaust hose is used.