| All garage doors installed since 1991 must be equipped | | | | Some sensors on garage doors don't deal with |
| with safety sensors to avoid crushing someone under | | | | safety issues and instead focus on other needs that |
| a closing one. Many of these sensors are mandatory | | | | the customer may have. For example, there are |
| and others are not required at all, but all of them | | | | some battery operated sensors that are bolted to |
| perform an invaluable function. | | | | the entrance and automatically close it when it is left |
| The usual door sensor you find most is the infrared | | | | open for too long. This is a good idea if you live in an |
| beam sensor. This installs by simply bolting the two | | | | extremely cold region. Accidentally leaving your |
| pieces of the sensor on either side of the door so | | | | garage doors open overnight could allow the |
| that the infrared beam between the two pieces is | | | | motorized opener to get cold enough to cease |
| broken by anybody walking in the way of it closing. | | | | operating properly. |
| These sensors can easily become misaligned and | | | | There are other types of sensors that make a large |
| could need adjustment now and then to make sure it | | | | contribution to safety, but they don't involve any |
| continues to work properly. | | | | mandatory gate safety regulations. Carbon monoxide |
| Another kind of sensor seen on some garage doors | | | | sensors can do a great job in preventing the |
| is the pressure sensor. This kind of sensor usually | | | | occurrence of a deadly accident. When carbon |
| comes as part of it itself and needs to be installed by | | | | monoxide levels reach a certain point, the sensor |
| a professional. The pressure sensor also suffices as a | | | | automatically opens the gate to clear out the carbon |
| safety device to avoid injuring someone with the | | | | monoxide and allow in fresh air. This could potentially |
| closing door. Although the infrared beam sensor does | | | | save someone from asphyxiating to death. |
| not allow the door to touch anything under it, the | | | | All of these types of sensors for garage doors are |
| pressure sensor door will inevitably touch the object | | | | potential life savers that should be present in every |
| before it senses it. In addition, the pressure sensor is | | | | home and business that utilizes them. Even if it costs |
| not guaranteed to function continuously after years | | | | some money, it is still better to be safe than to be |
| of wear and tear. | | | | sorry. |