Door openers & door closers – differences, use, and tips for distinguishing between them
Door openers and door closers are often confused, as both are related to door mechanics. However, their functions are fundamentally different:
Door openers unlock a door so that it can be opened without manual operation.
Door closers ensure that a door closes automatically after it has been opened.
Door opener – Convenient and secure door unlocking
What exactly is a door opener?
A door opener is a mechanical or electrical component that unlocks the door latch so that the door can be opened without manual intervention by a person.
What are door openers used for?
Door openers are mainly used where doors need to be opened remotely or automatically, for example:
In apartment buildings with intercom systems
In office and commercial buildings with access control systems
In security-relevant areas such as hospitals or government offices
On fire doors with special unlocking mechanisms
Electric or mechanical door openers?
Electric door openers are activated by an electrical signal (e.g., from an intercom system or a code system).
Mechanical door openers work without electricity, often using mechanical levers.
Door closers – Automatic closing for greater convenience and safety
Classic door closer with arm linkage, often found on interior doors and fire doors.
Aesthetically appealing version with slide rail instead of linkage, ideal for modern doors.
Door closers recessed into the floor, mostly used for heavy glass doors or automatic doors.
Also known as a "door damper," it ensures that the door closes gently.
Stops the door at a specific opening angle to prevent damage to walls or furniture.
Holds the door open in a specific position until it is closed manually or automatically.
Important for double doors, ensures that the door leaves close in the correct order.
Conclusion
Since the terms are often confused, here is a simple trick to tell them apart:
Door openers and door closers have different functions, but both provide greater convenience and safety in everyday life.
Should the door be unlocked automatically? → Door opener
Should the door close automatically? → Door closer
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