No. We do not recommend installing smoke or carbon monoxide detectors in unfinished areas of the home. This includes attics, crawlspaces, garages, unheated areas, or porches. The sensors in smoke and CO alarms work best in temperatures between 40° F (4° C) and 100° F (38° C).

Where should you not install a smoke alarm?

Don’t install smoke alarms near windows, doors, or ducts where drafts might interfere with their operation. Never paint smoke alarms. Paint, stickers, or other decorations could keep the alarms from working.

Where smoke alarms should be located when installed on the ceiling?





On a ceiling

Smoke alarms should be located in the centre of the ceiling. If it cannot be located here it should be located 300mm from any cornice or wall.

Should smoke detectors be on wall or ceiling?

Smoke alarms should be mounted in or near bedrooms and living areas, either on the ceiling or the wall. Ceiling mounting it is typically preferred as it allows the smoke alarm to be placed more centrally in the room.

Do I need a smoke alarm in every room?

You should make sure you have at least one smoke alarm on every level of your home, preferably in hallways and landings. And placing smoke detectors near to sleeping areas and in rooms where there are electrical appliances could give you the extra warning you need.

How close can a smoke detector be to a wall?





Never place them any closer than three feet from an air register that might re-circulate smoke. Don’t place them near doorways or windows where drafts could impair the detector operation. Don’t place them on an uninsulated exterior wall or ceiling. Temperature extremes can affect the batteries.

Do smoke detectors have to be hard wired?

California. All smoke alarms solely powered by a battery are required to feature a non-replaceable, non-removable battery that is capable of powering the smoke alarm for a minimum of 10 years. Smoke alarms are required in all residential settings. Hard-wired alarms are required in all new residential construction.

Where should fire alarm panels be located?

It should be located in an area common to all building users and where automatic detection is in use, the Control Panel should be in a protected area. An alarm sounder should be sited next to the Control Unit, but not too near the telephone position.

Is a fire alarm a legal requirement?

Wondering ‘what kind of fire alarm do I need’?



Current UK fire alarm regulations state that all business premises must have ‘an appropriate fire detection system’. That means that if there’s a fire, there needs to be a way for that fire to be easily detected and occupants can be warned easily.

Are smoke alarms a legal requirement?

From , every private rented property needs to be fitted with smoke alarms and carbon monoxide alarms (if applicable). The requirement is to install at least one smoke alarm on every storey of the rental property on which there is a room used wholly or partly as living accommodation.

How do I know if my smoke alarms are interconnected?

Most alarms have a test push button as standard. Press this test button for approximately 5 seconds and the alarm should sound. If the detectors at the property are interlinked, they too will also sound.

How often do landlords have to check smoke alarms?



Your smoke detectors should be regularly checked. At NSI, we suggest that you have them professionally checked yearly. In fact, did you know smoke detectors have a “replace by” date and 85% are unknowingly out of date? Ensuring that your smoke alarms are carefully and properly maintained could save lives.

How many interlinked smoke alarms do I need?

Every home must now have: 1 smoke alarm in the room you spend most of the day, usually your living room. 1 smoke alarm in every circulation space on each storey, such as hallways and landings. 1 heat alarm in the kitchen.

Can mains and battery smoke alarms be interlinked?

Hardwired and wireless interconnected smoke alarms

FireAngel has mixed system capability, allowing for the interlinking of battery and mains alarms. Just one mains powered Smart RF enabled alarm is required to adapt an established hardwired interconnected system to communicate to other FireAngel wireless products.

Do interlinked smoke alarms have to be mains powered?



New build houses or properties that have had material alterations carried out, such as extensions, must be equipped with mains-powered interlinked smoke detectors. These detectors can be linked to one another through either hard-wired cables or radio frequency (wireless) to the rest of the alarms in the system.

Do you need WiFi for interlinked smoke alarms?

You can use either sealed battery alarms or mains-wired alarms. Both types of alarm are interlinked by radio frequency and do not need WiFi.

What is better hardwired or battery smoke detectors?

Once installed, though, hardwired smoke detectors are better than their battery-powered counterparts in every major aspect—safety, efficiency, maintenance and compliance with local codes.

Can you mix wired and wireless smoke alarms?

Yes. You can replace a smoke detector with a combination smoke/CO unit. All modern First Alert and BRK alarms use the same wire harness and connector.