🔵 Illinois Carbon Monoxide Detector Disclosure

Carbon Monoxide Alarm Detector Act – 430 ILCS 135

⚠️ REQUIRED BY ILLINOIS LAW

430 ILCS135

Within 15ftOf Bedrooms

Every LevelRequired

$50-250Fine Per Day

⚖️ 430 ILCS 135/10: Every dwelling unit that uses fossil fuel (gas, oil, propane) for heat, hot water, or cooking, or has an attached garage, must have at least one approved carbon monoxide alarm within 15 feet of every room used for sleeping purposes. Landlords must provide working CO alarms at the beginning of each tenancy.

☠️ CARBON MONOXIDE IS THE “SILENT KILLER”

Carbon monoxide (CO) is an odorless, colorless, tasteless gas that can cause sudden illness and death. Over 400 Americans die annually from unintentional CO poisoning not linked to fires, and more than 20,000 visit emergency rooms.

CO is produced by burning fuel (gas, oil, kerosene, wood, charcoal)
Symptoms mimic flu but without fever
High concentrations can kill within minutes
Working CO alarms are your only protection

🏠 Property Information

Property Address *

Unit Number

City *

ZIP Code *

Number of Bedrooms *

Number of Floors in Unit *

🔍 CO Alarm Requirement Determination

📌 Illinois law requires CO alarms in dwelling units with ANY of the following:

Does the unit have fossil fuel-burning appliances?

Gas or oil furnace/heating system

Gas water heater

Gas stove/range/oven

Gas dryer

Wood-burning fireplace or stove

Gas or oil boiler

Other fuel-burning appliance

Does the unit have an attached garage? *

Yes No

✅ Requirement Status: Based on the above, this unit requires CO alarms per Illinois law.

🏢 Landlord / Property Manager Information

Landlord/Manager Name *

Phone *

Emergency Contact (24/7)

👤 Tenant Information

Tenant Name(s) *

Lease Start Date

Move-In Date *

📋 Carbon Monoxide Alarm Inventory

📌 Illinois requires: At least one CO alarm within 15 feet of every sleeping room, plus one on every level of the dwelling (including basement).

Location	Manufacturer	Model	Install Date	Expiration	Type

Total Number of CO Alarms Installed *

🔧 Pre-Occupancy Testing Verification

Date All CO Alarms Were Tested *

Tested By *

All CO alarms tested and confirmed working properly

Fresh batteries installed in all battery-operated alarms

All alarms are within their manufacturer’s expiration date (typically 5-7 years)

🏠 Landlord Responsibilities (430 ILCS 135)

Provide and install approved CO alarms before tenant takes possession

Ensure CO alarms are in working condition at start of tenancy

Replace CO alarms that are expired or beyond useful life

Repair or replace malfunctioning alarms reported by tenant

Ensure alarms meet UL 2034 or IAS 6-96 standards

Provide CO safety information to tenant

👤 Tenant Responsibilities

Test CO alarms monthly by pressing the test button

Replace batteries as needed (unless hardwired with sealed battery)

Notify landlord immediately if alarm malfunctions or needs replacement

Do not remove, disable, or tamper with CO alarms

Notify landlord if alarm sounds or displays low battery warning

Evacuate and call 911 if CO alarm sounds and residents have symptoms

🚨 Carbon Monoxide Poisoning Symptoms

⚠️ CRITICAL: CO poisoning symptoms are often mistaken for flu. If multiple household members experience symptoms simultaneously, suspect CO poisoning!

🤕

Headache

🥴

Dizziness

🤢

Nausea/Vomiting

😫

Fatigue/Weakness

😵

Confusion

💨

Shortness of Breath

👁️

Blurred Vision

💔

Chest Pain

🆘 Emergency Procedures – If CO Alarm Sounds

🚨 IMMEDIATE ACTIONS REQUIRED:

1. Do NOT ignore the alarm – treat every alarm as a real emergency

2. Immediately move all people and pets outside to fresh air

3. Call 911 from outside the building

4. Do NOT re-enter until emergency responders say it’s safe

5. If anyone has symptoms, tell the 911 operator – they may need medical attention

6. Contact landlord as soon as safely possible

✅ Tenant Acknowledgments

I have been shown the location of all CO alarms in the unit

I have witnessed a test of each CO alarm and confirmed they are working

I understand my responsibility to test alarms monthly and replace batteries

I understand I must NOT remove, disable, or tamper with any CO alarm

I understand the symptoms of CO poisoning and emergency procedures

I will notify the landlord immediately if any CO alarm malfunctions

I have received a copy of this CO detector disclosure

✍️ Signatures

Landlord/Property Manager Certification

I certify that all CO alarms listed above are installed, tested, and in working condition as required by 430 ILCS 135.

Signature (Print Name) *

Date *

Tenant Acknowledgment

I acknowledge receipt of this disclosure, have verified the CO alarms are working, and understand my responsibilities.

Signature (Print Name) *

Date *

Additional Tenant (if applicable)

Signature (Print Name)

Date

Illinois Carbon Monoxide Alarm Requirements

The Carbon Monoxide Alarm Detector Act (430 ILCS 135) requires carbon monoxide alarms in all Illinois dwelling units that contain or are served by a fossil fuel burning heater, appliance, or fireplace, or that have an attached garage. This law protects tenants from the deadly dangers of carbon monoxide poisoning.

Key Requirement: At least one approved CO alarm must be installed within 15 feet of every room used for sleeping purposes. Additional alarms are required on every level of the dwelling, including basements.

Which Properties Require CO Alarms?

Illinois law requires CO alarms in dwelling units that have:

Gas furnace or heating system – most common trigger
Gas water heater – even tankless models
Gas stove, range, or oven
Gas or propane fireplace
Wood-burning fireplace or stove
Oil-burning appliances
Attached garage – car exhaust contains CO
Any fuel-burning appliance

CO Alarm Placement Requirements

Minimum Requirements:

Within 15 feet of every sleeping room
On every level of the dwelling (including basement)
Near attached garage entry points

Recommended Additional Locations:

Near fuel-burning appliances (but not directly above)
In or near the kitchen (if gas appliances present)
At least one alarm per 1,000 square feet

Avoid Placing CO Alarms:

Directly above or beside fuel-burning appliances
In areas with high humidity (bathrooms)
Near windows, doors, or vents where drafts may interfere
In direct sunlight

CO Alarm Standards and Specifications

Illinois requires CO alarms to meet one of the following standards:

UL 2034 – Underwriters Laboratories standard for residential CO alarms
IAS 6-96 – International Approval Services standard
CSA 6.19 – Canadian Standards Association (also accepted)

Alarm Types:

Battery-operated: Portable, easy to install; batteries must be replaced
Hardwired: Connected to electrical system; usually have battery backup
Plug-in: Plug into standard outlet; may have battery backup
Combination alarms: Smoke and CO detection in one unit

CO Alarm Lifespan and Replacement

CO alarms have a limited lifespan due to sensor degradation:

Typical lifespan: 5-7 years (check manufacturer specifications)
Expiration date: Printed on the back of the alarm
Replace immediately if alarm chirps continuously, displays error, or fails tests
Never paint over CO alarms – this can block sensor function

Landlord Obligations Under Illinois Law

Install CO alarms before tenant takes possession
Ensure alarms meet UL 2034 or equivalent standards
Test and confirm alarms are working at move-in
Replace expired or malfunctioning alarms
Respond promptly to tenant reports of alarm issues
Maintain records of alarm installation and testing

Tenant Obligations

Test CO alarms monthly using the test button
Replace batteries when low battery warning sounds
Notify landlord immediately of any malfunction
Never remove, disable, or cover CO alarms
Know and follow emergency procedures
Allow landlord access for alarm maintenance

Penalties for Non-Compliance

Landlords who fail to comply with 430 ILCS 135 may face:

Fines: $50 to $250 per unit per day of non-compliance
Liability: Potential civil liability for injuries or deaths caused by CO poisoning
Insurance issues: Non-compliance may affect coverage
Municipal penalties: Additional local ordinance violations possible

Common Sources of Carbon Monoxide

Malfunctioning furnaces or heating systems
Blocked chimneys or flues
Gas water heaters with improper venting
Running vehicles in attached garages
Portable generators (never use indoors)
Gas stoves used for heating (dangerous misuse)
Charcoal grills or hibachis used indoors
Blocked dryer vents

What to Do If CO Alarm Sounds

Immediately evacuate all occupants to fresh air
Call 911 from outside the building
Do not re-enter until cleared by fire department
Seek medical attention if anyone has symptoms
Document the incident and notify landlord
Have appliances inspected before re-occupying

⚖️ Legal Disclaimer

This form is provided for informational purposes and to assist with compliance with Illinois law (430 ILCS 135). It does not constitute legal advice. Landlords should verify current requirements with local authorities and consult an attorney for specific legal guidance. Some municipalities may have additional CO alarm requirements.