Surface mounted door closers are the most efficient and economical means of controlling doors and are thus, the most commonly used type of closers. But, because they are exposed to view, there are some installations where a concealed door closer better suits the needs of the owners and users.
On exterior openings, surface door closers should always be installed on the interior side of the openings to protect the closers from fluctuations in temperature.
On interior openings, good practice dictates that surface door closers be installed on the room side of the openings, out of the corridor.

A ​door closer is an adjustable and spring-loaded mechanical arm that closes a door automatically after it has been opened. Door closers are usually filled with hydraulic fluid, which dampens the door swing and controls its operation. Installing a door closer adds a level of control to your door's safety and security.

The door closer market has been witnessing growth across regions due to the increasing awareness of high-tech security systems among various end-users and easy operations of such equipment. Also, there has been an impact in the market due to the deployment of smart solutions in the developed and developing economies. Also, the major reason that drives the market is the increasing security concerns across regions, which is mandating the need for the installation of such high-security door closer systems at residential and commercial spaces.

Choosing a door closer changes depending on many different factors including customer preference, manufacturer options, and building specifications. Other factors to consider include:Size and weight of the door.Location of the door.Opening and closing frequency.Mounting location.Affordability.Backswing requirements.

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The door closer is a hydraulic device similar to the spring on the door head. When the door is opened, it can be released after compression, and the door can be closed automatically. It has the function of spring door, which can ensure that the door can be closed to the initial position accurately and timely after being opened.