![Keep your home and family safe: change smoke detector batteries once a year - Homes for Sale & Real Estate in Scottsdale AZ | AZ Golf Homes Keep your home and family safe: change smoke detector batteries once a year - Homes for Sale & Real Estate in Scottsdale AZ | AZ Golf Homes](https://azgolfhomes.com/wp-content/uploads/2015/01/Depositphotos_37476731_s.jpg)
Keep your home and family safe: change smoke detector batteries once a year - Homes for Sale & Real Estate in Scottsdale AZ | AZ Golf Homes
![How often are you supposed to change smoke detectors? These ancient smoke detectors are installed in a commercial building I just bought. Are these something other than just a smoke detector? : How often are you supposed to change smoke detectors? These ancient smoke detectors are installed in a commercial building I just bought. Are these something other than just a smoke detector? :](https://preview.redd.it/how-often-are-you-supposed-to-change-smoke-detectors-these-v0-mpqzuse6g1mb1.jpg?width=640&crop=smart&auto=webp&s=f632cf17c8cad0bff1366eeb831d9948c321296b)
How often are you supposed to change smoke detectors? These ancient smoke detectors are installed in a commercial building I just bought. Are these something other than just a smoke detector? :
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