The average life expectancy of a garage door opener, which is the motor unit that lifts the door, is typically 10 to 15 years with normal use and some maintenance, though chain drive, belt drive, and screw drive types have slightly different lifespans. Chain drive openers, which are most common and use metal chain, last 10 to 15 years but are noisier and require occasional chain tension adjustment. Belt drive openers, which use rubber belt for quieter operation, last 10 to 15 years as well, with belt lasting about same. Screw drive openers last 10 to 12 years. Direct drive and jackshaft wall mount openers can last 15 to 20 years. Factors that shorten opener lifespan include frequent use beyond 4 to 6 cycles per day, operating door with broken or weak springs that cause opener to overwork and burn out motor or strip gear, lack of lubrication on chain or screw, electrical surges, and extreme temperatures in garage. Signs opener near end of life include loud grinding, slow operation, intermittent failure to open, excessive vibration, and frequent need to reprogram remotes. Maintaining door balance so door stays halfway when disconnected, lubricating rollers and hinges with silicone twice yearly, keeping gutters clean to prevent water damage and rust that increases friction, and replacing springs every 7 to 12 years extends opener life. Replacement cost is 300 to 600 dollars for unit plus 150 to 300 dollars installation.
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