What is the new law in Illinois about smoke detectors?

Author: Phyllis Huels  |  Last update: Friday, April 10, 2026

Effective January 1, 2023 The updated law requires Illinois residents to replace their old smoke alarms with the type that has a long-term, 10-year sealed battery. This would apply to residents that are still using alarms with removable batteries or alarms that are not hardwire.

Are smoke detectors required in every bedroom in Illinois?

To be used as a reference to answer questions regarding the Smoke Detector Act (425 ILCS 60/). Every dwelling unit shall be equipped with at least one smoke alarm in an operating condition within 15 feet of every room used for sleeping purposes.

What is the new standard for smoke alarms?

A new standard for smoke alarms, which went into effect on July 30, requires smoke detectors to be more sensitive to all types of fire and to have fewer nuisance alarms from cooking. NIST research in a kitchen fire laboratory shows that these smoke alarms still produce nuisance alarms during cooking.

How to get free smoke detectors in Illinois?

Illinois Home Fire Campaign

The American Red Cross Home Fire Campaign helps save lives by installing free smoke alarms in homes that don't have them, and by educating people about home fire safety.

Can you sell a house without smoke detectors in Illinois?

YES! As the seller, it is your duty to make sure the house is safe for whoever purchases your home. During the home inspection, the inspector will take note of whether or not you're adhering to local fire safety regulations.

New Illinois smoke alarm law takes effect January 1st

What is the new law for smoke detectors in Illinois?

Effective January 1, 2023

The updated law requires Illinois residents to replace their old smoke alarms with the type that has a long-term, 10-year sealed battery. This would apply to residents that are still using alarms with removable batteries or alarms that are not hardwire.

What happens if you don't have a smoke detector in your house?

A smoke alarm stands guard around the clock, and when it first senses smoke, it sounds a shrill alarm. This often allows a family the precious, but limited, time needed to escape. About two-thirds of home fire deaths occur in homes with no smoke alarms or no working smoke alarms.

Do fire stations still give out free smoke detectors?

Some fire departments offer reduced-price, or even free, smoke alarms. Contact your local fire department's nonemergency phone number for more information. Your city, county or state may require a specific type of alarm. Please check with your local fire marshal for information on what type of alarm you need.

What is the code for smoke detectors in a house Illinois?

(a) Every dwelling unit or hotel shall be equipped with at least one approved smoke detector in an operating condition within 15 feet of every room used for sleeping purposes.

Does homeowners insurance require smoke detectors?

Various insurance carriers require or incentivize policyholders to have smoke and carbon monoxide detectors in their homes or businesses as these devices could mean a matter of life or death. In some cases, damaged detectors could invalidate a policy or reduce a settlement if a fire were to occur.

How many smoke alarms do I need in a 3 bedroom house?

According to the United States Department of Homeland Security, and the California Building Code, at least one smoke detector needs to be placed in each of the following areas of your home: On Every Floor Level. In Every Bedroom. In Every Hallway Outside of a Bedroom.

Should smoke detectors be on the wall or ceiling?

Because smoke rises, you should place alarms on the ceiling. If you cannot do this, place them high up on a wall according to manufacturer's instructions. Most importantly, read the installation instructions that come with the alarm.

How many smoke detectors do I need code?

For many years NFPA 72, National Fire Alarm and Signaling Code, has required as a minimum that smoke alarms be installed inside every sleep room (even for existing homes) in addition to requiring them outside each sleeping area and on every level of the home. (Additional smoke alarms are required for larger homes.)

Is it against code to not have a smoke detector in the kitchen?

ACalifornia law requires that every ”dwelling intended for human occupancy” have smoke alarms. (Cal. Health and Safety Code section 13113.7).

Are battery-powered smoke alarms legal?

Effective July 1, 2015, all battery- operated smoke alarms must also (1) contain a non-replaceable, non-removable battery that is capable of powering the smoke alarm for at least 10 years, and (2) display the date of manufacture, provide a place on the device where the date of installation can be written, and ...

Are carbon monoxide detectors required in Illinois?

Illinois requires carbon monoxide alarms effective January 1, 2007. Carbon monoxide (CO) is odorless, colorless, and tasteless. It is produced when any fossil fuel, including natural gas, is burned. When fossil fuels do not burn properly, CO can build up and cause sickness and even death.

Do smoke detectors have to be hard wired in Illinois?

You are required to install smoke alarms that meet specific criteria: Every Bedroom and sleeping area must have a smoke detector installed. Smoke alarms must be hardwired or contain a long-term battery if new installations occur after the stipulated date of the updated law.

Are wireless smoke detectors to code?

Like wired smoke detection systems, wireless smoke detectors are code compliant when they meet NFPA standards. The NFPA 72 sets out certain requirements for wireless smoke detector manufacturing, installation and testing which must be met in order to be code compliant.

What are the guidelines for installing smoke detectors?

According to the National Fire Protection Association (NFPA), smoke detectors should be installed on every level of your home, in every bedroom, and outside every sleeping area. To help avoid nuisance alarms, alarms should be installed at least 10 feet away from cooking appliances.

How much does it cost to install a smoke detector?

The national average cost for installing a smoke detector is between $70 and $150, with most people paying around $112 to install a dual hardwired detector. At the low end of the spectrum, you pay around $44 for a battery-operated ionization detector.

Where should smoke alarms be placed?

Smoke detectors/smoke alarms should be installed on the ceiling, which is where heat and smoke go first during a fire. Place detectors/alarms as follows: First Floor: Place on the ceiling in a main area, near but not in the kitchen. Second & Third Floor: Place on the ceiling in hallway between bedrooms.

Is there a hidden device in smoke detectors?

Examine the wiring of a smoke detector since it has 4 wires while a camera will only have 1 or two wires. Extraordinary LED lights or a complicated layout may indicate a hidden camera. If the smoke detector sits oddly near an edge/corner or at an unusual angle it may indicate a hidden camera.

Do you really need a smoke detector in every room?

How many do I need? Smoke detectors should be placed outside each sleeping area and on every level of the home, including the basement. On floors without bedrooms, detectors should be installed in or near living areas such as dens, living rooms, or family rooms.

Do I need a CO detector if I have a gas stove?

It is strongly recommended for all occupied homes to have carbon monoxide detectors installed. It is especially important for homes with equipment like furnaces, stoves, generators, and gas water heaters to install carbon monoxide detectors to help prevent carbon monoxide poisoning.

Why does my fire alarm go off at 3am?

Low battery life triggers the alarm in a smoke detector more often in the early hours of the morning. You should check the alarm batteries in every battery operated smoke alarm on a regular basis. As the battery in a smoke alarm loses power, it causes an internal resistance within the smoke detector.

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