USI Smoke Alarms: Industry Defining Technology at a Superior Price

The Universal Security Instruments name has become synonymous with industry defining and cost efficient solutions for protecting homeowners from the many dangers presented by smoke, fire and carbon monoxide. The USI Store has expanded its collection to include USI Smoke and Fire Alarms that utilize ionization, photoelectric and the brand exclusive Universal Smoke Sensing sensor. All three sensors feature individual strengths and can be incorporated in any number of home settings.

USI Battery Operated Alarms are Available at a Fraction of the Competitor's Price

Fast and easy to install with no wiring required, these compact alarms are perfect for smaller homes, mobile homes, apartments or dormitories. The original standard in home fire safety, the reliable battery operated ionization smoke alarm continues to work even when the power is out.

USI Hardwired Smoke Alarms: An incredibly Cost Effective Solution for Outfitting the Home

This selection of USI Hardwired Smoke Alarms responds quickly to fast-flaming fires to protect owners against deadly threats in the home. Perfect for new or replacement installations, these 120-volt AC hardwired alarms are suitable for houses, apartments and office buildings.

Dual Sensing Alarms: All of the Added Features without the Hefty Price Tag

All three of these USI Smart Alarms implement Revolutionary Universal Smoke Sensing Technology that's capable of responding to both fast flaming and slow smoldering fires. The use of this USI branded technology ensures optimal protection from a collection of threats within one sensor. Regardless of how you choose to outfit your home, you'll find no shortage of incredibly efficient and cost effective alarms at the USI Store. Customers that shop at the USI Store will also be eligible to save an additional 10% off their purchase via store coupon. This coupon is applicable to the USI Store's entire catalogue of online products as well as the USI Battery Operated Smoke Alarms, USI Hardwired Smoke Alarms and USI Dual Sensing Alarms listed above.

Universal Security Store Past News Articles

Browse the latest Universal Security Store news, product updates, buying guides, safety tips, promotions, and store announcements.

What is Local Law 157?

By January 1, 2027, NYC property owners must install UL 1484 natural gas detectors in all residential dwellings to comply with LL157.
What is Local Law 157?

Where to Place Carbon Monoxide Alarms in Your Home

Carbon monoxide (CO) is an odorless, colorless gas that can be deadly. It's produced by burning fuels like gasoline, wood, natural gas, and propane. Inhaling CO can cause flu-like symptoms, dizziness, nausea, and even death. Having working carbon monoxide alarms in your home is crucial to protect yourself and your family from CO poisoning.
The Best Place To Install Carbon Monoxide Alarms in Your Home

Why is my USI Electric Smoke Detector Beeping?

The USI Electric Smoke Detector chirping indicates a Your USI Electric Smoke Detector may be beeping due to a "low battery" condition, meaning the battery needs to be replaced. Battery powered smoke alarms will chirp a minimum of 30 days before the battery completely loses power.
USI Electric Battery Smoke Detector is Beeping?

Why Does My Carbon Monoxide Alarm Keep Going Off?

It's a very common question and one we're all too happy to answer. There can be a number of factors at play here. Ranging from the detector needing to be reset or replacing the unit's battery, there are a few things that can be triggering a beeping or nuisance alarm.
Why Does My Carbon Monoxide Alarm Keep Going Off?

Protection From the Second Leading Cause of Home Fires

They're not talked about nearly as much as the previous two types, but heating fires account for a large percentage of fire incidents every year. One of the primary causes for heating fires is a reliance on portable heating equipment, especially in the winter.
Protection from Furnace and Heating Fires

State of Maine New Natural Gas Detector Law

New Natural Gas Alarm Laws are being introduced in the United States. Make sure your home and family's surroundings are safe from this and other dangers with a USI Natural Gas Alarm.
New Natural Gas Detector Law for State of Maine, Where To Buy Alarms

Replacing the USI-1204 Hardwired Smoke Alarm

The USI-1204 alarm is no longer available so we have put together a list of other wired in smoke alarms that are compatible. Installing a replacement fire alarm is easy with our step by step guide.
Replacing USI-1204 Hardwired Smoke Alarm With Compatible Models

Be Prepared: Essential Fire Prevention for Fall & Winter

Did you know that 3 out of 5 home fire deaths occurred in homes that did not feature operating smoke detectors? This can be directly linked to smoke alarms having exceeded their expiration date or just the absence of smoke detectors in general. It's a frightening reality that's compounded by the fact that fire departments across the United States annually respond to an emergency every 24 seconds.
Universal Security Instruments Fire Prevention Month: Are You Protected?

A Consumer's Guide to Smoke & Fire Alarms

Shop Consumer Favorite Universal Security Smoke & Fire Alarms that include: hardwired smoke alarms, battery powered smoke alarms and the 8th edition Universal Security Sensing Plus Smoke Alarm series.
Home Owner's Guide to Smoke & Fire Alarms 

New Sensing Plus Smoke Alarms Meet UL Standard 217 8th Edition

USI 8th Generation Smoke Alarms conform to the latest UL Standards. Implementing a series of industry defining smoke and fire safety features, Sensing Plus Smoke Alarms excel in delivering precision results when alerting home and business owners to actual threats.
Smoke Detectors That Meet UL Standard 217 9th Edition

Smart Safety, Real Value Smoke Alarms

Get the best protection without breaking the bank, we discuss our top smoke, fire, and carbon monoxide detection models with the best price tags.
Best Budget Smoke Alarms or Carbon Monoxide Detectors

Protection from Smoke, Carbon Monoxide and Natural Gasses

USI Combination Alarms are an excellent choice for those searching for layered protection against multiple threats. The installation of a standalone smoke or carbon monoxide alarm may limit homeowners into selecting one type over the other.
Combination Smoke, Carbon Monoxide & Gas Detectors from USI

Stay Safe During the Winter Months with USI Combination Alarms

The winter months carry a significantly increased risk for homeowners seeking to protect themselves and their loved ones from the very real and often lethal attributes of fire and carbon monoxide. USI Store offers all of the necessary equipment required to keep your family and home safe from fire, smoke and carbon monoxide during the winter season.
Stay Safe During the Winter Months with USI Combination Alarms

Introducing the New USI Store: New Look, More Features, Revolutionary USI Technology

USI Smoke and Fire Alarms are available in three differing categories that include: Ionization Smoke Alarms, Photoelectric Smoke Alarms and Universal Smoke Sensing Technology Alarms. USI Carbon Monoxide Alarms are offered as standalone models and Combination Alarms that are capable of simultaneously detecting the presence of smoke and carbon monoxide.
New USI Online Store - Shop Smoke Alarms, CO Detectors, Other Home Safety

Universal Smoke Sensing Technology: Dual Protection in One Alarm

The integration of brand specific U.S.S.T. technology ensures dual protection as homeowners will be alerted to the presence of both fast flaming and slow smoldering fires. U.S.S.T. Detectors simplify the process of selecting the correct alarm as they enable access to a patented microprocessor technology that allows for maximum overall protection.
Ionization Vs Photoelectric Smoke Alarms - Better Option

Secure Whole Home Protection with USI Smoke, Fire & CO Bundles

Universal Security Instrument alarm bundles represent a convenient and affordable means of safeguarding your entire household from the many dangers presented by smoke and carbon monoxide. Incorporating the themes of performance, accessibility and steadfast reliability, USI Smoke and Fire Alarms set an industry standard for quickly recording and responding to the presence of smoke.
Smoke, Fire & Carbon Monoxide Alarm Bundles - Home, Apartment Coverage

Protect Your Family from Deadly Carbon Monoxide This Winter

The fall and winter months increase the susceptibility of homeowners looking to secure that much sought after peace of mind in preventing disaster. Universal Security Instruments recognizes the many dangers associated with CO and has outfitted its online store with a wide selection of carbon monoxide alarms.
Carbon Monoxide Poisoning Within The Home Increases During Winter