ALWAYS WORKING TO PROTECT YOUR FAMILY®

We've Mastered the Science of Fire Protection

NEVER Replace Batteries- 10 Year Permanent Power means the end of annoying low battery chirps which is the key reason people intentionally disable their alarms in the first place.

Technology where you need it! We offer designated alarms for Every Room. Simplifies Consumer Purchasing Decisions, Steps-Up Consumers to Higher-Priced Alarms, Encourages Multiple Alarm Purchases, Steers Consumers to Combination Alarms, 100% Recyclable Packaging and Batteries.

10 Year Permanent Power Sealed Battery Alarms - Meets Codes & Legislation for 10 Year Sealed Battery Requirements. 10 Year Warranty on Both Battery & Alarm. No Batteries to Change - Ever. Superior Resistance to False Alarms. Maintenance-Free Protection 24/7. A Decade of Peace of Mind.

UNIVERSAL SMOKE SENSING TECHNOLOGY (U.S.S.T.) - Responds 87% Faster to Slow Smoldering Fires. Responds Quickest to Fast Flaming Fires. Virtually Eliminates Nuisance Alarms. Combines the Benefits of Photoelectric & Ionization Technologies with One Sensor.

We hold 11 patents on detection technologies, based on our proprietary research into the science of fire and fire detection. Our state-of-the-art production facilities are ISO9001 certified, and we've gained approval to distribute smoke and carbon monoxide alarms in more than 30 countries.

Our life-saving ideas and innovations go beyond smoke and fire alarms:

We are dedicated to providing the highest quality products while creating utmost customer satisfacton.

We are headquartered in Owings Mills, Maryland and maintain strategic warehouse facilities throughout the United States which enables our customers to receive product quickly. Universal makes the most innovative home protection solutions available today. Since our founding in 1969, we’ve become one of the largest manufactures of smoke and carbon monoxide alarms in the world. We are proud of our ability to meet the changing needs of our customers.

We are proud of our ability to meet the changing needs of our customers.

Understanding The Difference:

USI alarms designed in the USA
  • USI holds 11 patents on detection technologies, based on our proprietary research into the science of fire and fire detection.
  • Approval to distribute smoke and carbon monoxide alarms in more than 30 countries.
  • USI state-of-the-art production facilities are ISO9001 certified.
  • Lithium-Free 10 Year Permanent Power—Safer & more eco-friendly battery power.
  • Patented Smart Alarm Technology—Provides superior false alarm resistance.
  • Quick Find® Alarm Origination—Easily identifies first alarm to sound.
  • Over 45 years of industry expertise.