Effects of Humidity on Smoke Alarms

Woman tests her smoke alarm while on a ladder.

What’s the Difference Between Photoelectric and Ionization Smoke Alarms?

Kidde offers photoelectric, ionization smoke alarms, & dual-sensor alarms. All meet the current UL standard for smoke alarms. Learn more about the types of alarms.

Do Hot or Cold Temperatures Affect My Alarm?

Our smoke and carbon monoxide alarms perform between 40 degrees and 100 degrees Fahrenheit.

Nuisance Smoke Alarms When It's Cold Outside

Nuisance Smoke Alarms When its Cold Outside

Person putting out a fire using a Kidde Fire Extinguisher.

Types of Fires

Fire types are divided into 5 classes based primarily on the fuel that is burning. Use this classification system to determine the most effective fire extinguisher based on your use case.

What are the fire extinguisher classes?

Learn about fire extinguisher classes: Class A (common combustibles), Class B (flammable liquids), Class C (electrical equipment), Class D (combustible metals), and Class K (cooking oils).

Related Products

Products related to this support article