Electric garage door openers were invented by C.G. Johnson in the year 1926. These devices are interesting in the fact that they use the same mechanism as bomb detonators. The door opener has a counter-balance spring for determining the size of the opening door. If you doing garage door installation, it will be worthwhile to install electric garage door openers. They have a myriad of benefits if installed. Some of the advantages are discussed below: Advantages of installing electric garage door opener Increased SecurityIf insecurity is a major problem in your area, there is a solution. Electric garage door openers…