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Smoke & CO Detector Installation · Massachusetts
Hardwired smoke alarms should be replaced about every 10 years, and interconnected so one alarm sounds them all. Homes with gas appliances or an attached garage also need carbon monoxide alarms. An electrician installs new hardwired alarms and adds interconnection.
Triple-deckers and colonials from before 1950 often need rewiring, and heat-pump rebates push panel upgrades.
Across the Northeast, homes deal with cold winters, nor'easters and ice storms. Permit offices, utilities and housing stock differ by city, which affects how smoke & co detector installation is planned and scheduled. These local guides cover the Massachusetts cities where we have written specific notes.
In Massachusetts, a home generally cannot be sold or transferred without a certificate from the local fire department confirming that smoke and carbon monoxide alarms meet state requirements, and in Boston that inspection is done by the Boston Fire Department. Requirements depend on when the home was built or last renovated, and triple-deckers and multi-unit homes need alarms in each unit and common areas.
Utility: Eversource
In Massachusetts, homes generally need a fire department certificate showing smoke and carbon monoxide alarms meet state rules before they can be sold, and Worcester's triple-deckers need alarms in each unit and in common stairways. Requirements depend on when the building was built or last renovated.
Utility: National Grid
1. Check existing alarms
Ages, locations and wiring are checked.
2. Replace and interconnect
New alarms are installed in each bedroom, outside sleeping areas and on each level.
3. Test
Every alarm is tested together.
Electricians set their own prices; local permit fees and utility requirements add to these factors.
Permits come from the city or county where the home is. For example: Boston: In Boston, electrical permits are issued by the Inspectional Services Department, and work must be done by a Massachusetts-licensed electrician. Worcester: Electrical permits come from the City of Worcester's Inspectional Services.
Boston: Eversource. Worcester: National Grid.
About every 10 years from the manufacture date on the back of the alarm.
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