Our mission is to protect people and property with innovative gas safety products.

Big news! Our gas alarms are now Amazon Sidewalk enabled!

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Watch our special Viewpoint video segment with Dennis Quaid, featuring our DeNova Detect alarms!

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protect your family from dangerous natural gas leaks

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Natural Gas Detector United States

there are multiple sources of potential gas leaks in a home

Smoke and CO alarms do not detect Natural Gas; DeNova Detect Natural Gas Alarms provide protection from natural gas leaks.

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DeNova Detect has the first battery powered AMI natural gas alarm

Our natural gas alarm wirelessly communicates with gas utilities and provides an early warning.

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Our Mission is Your Safety

Our life-saving natural gas alarm sensor technology gives you peace of mind.

Detect and Protect

Consumer Installed - Local 85dB alarm with voice warning

DeNova Detect Natural Gas Alarms are the most dependable way to prevent potentially catastrophic residential and workplace gas leak explosions. Our premium products offer the most reliable and economical solution to accurately detect gas leaks. All of our Natural Gas Alarms have also been independently tested to reduce nuisance alarms.

Gas Utility Installed - Wireless communication with Gas Utility

DeNova Detect Natural Gas Alarms offer the earliest warning for any potential natural gas leaks. By offering quick detection to a potentially dangerous scenario, our Natural Gas Alarms can help keep families, homes and businesses safe. DeNova Detect also offer utility companies access to the most robust monitoring products currently available.

Natural Gas Alarm Features

A reliable natural gas alarm will help to significantly reduce the risk of a gas explosion.

10% LEL Gas Threshold

You can be alerted to an emergency situation an average of 11 minutes sooner* than the conventional technologies designed to alarm at 25% LEL.

*Source: Fire Risk Alliance, LLC study conducted on behalf of ConEdison.

Eliminates Nuisance Alarms

Abrasive household chemicals, like laundry detergent, disinfectant spray, aerosol hairspray and furniture polish, do not signal false alarms and the aggravation that goes with them.

Micro-Electro Mechanical Systems

Our proprietary sensor, a hot-wire semiconductor sensor with MEMS technology, allows for the alarm's superior responsiveness, reduced size and reduced power consumption.

new cosmos natural gas detection

Long Battery Life

The current DeNova Detect Natural Gas Alarms offer up to 6-years of battery life, with 10-year gas alarm sensors currently in development.

Installation Versatility

Our natural gas alarms can be installed in a wide variety of environments compared to typical technologies. The battery powered designs allow for installation close to the ceiling where natural gas accumulates, eliminating the need for a potentially dangerous and unattractive cord.

Voice Alert

In addition to the 85dB alarm warning sound, our customers appreciate our panic-reducing voice alert that instructs people in this pure and simple way: "Danger - Gas leak explosion risk - evacuate, then call 911."

Major Cost Savings

DeNova Detect battery-powered Natural Gas alarms will save you up to $174 when compared to competitor Plug-In alarms when you calculate the total cost of ownership. Click to see the benefits below!

Benefits of Battery-Powered vs. Plug-in Units
New Cosmos created the world's first residential natural gas alarm in 1964
The number of Natural Gas Alarms New Cosmos has sold worldwide
New Cosmos is the global leader in residential gas explosion prevention, continually driving innovation with the only available battery-powered wireless natural gas alarm in the US.

Why choose Us

We have developed and perfected a wide variety of products that feature our world-class gas sensor technology. This includes residential and industrial Natural Gas Alarms, portable gas detectors, and odor sensors.

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Our Mission

For over 60 years, we have been protecting people and property with innovative safety products. Our products create safe and secure spaces with the most advanced sensor technology possible. We adhere to the highest safety standards while offering the best value to our customers.

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Our History

We are proud to have developed the world's first residential natural gas alarm in 1964 and continue to innovate by offering the first 6-Year battery-powered wireless AMI natural gas alarm on the market. Our technology helps save lives and we take this responsibility very seriously.

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Natural Gas Alarms Save Lives

DeNova Detect offers an economical & reliable solution to minimize natural gas risk

Natural gas incidents are on a staggering rise with nearly 300 destructive gas events occurring each year since 1998. The aging U.S. infrastructure is particularly vulnerable to failure, especially with natural gas pipelines which are constructed with leak and corrosion-prone materials, these outdated systems leave millions of people and properties at risk.

DeNova Detect News


Company & Product News

Stay up to date with everything new about DeNova Detect and our latest natural gas alarm technology.


Gas Explosions & Safety

We'll keep you informed with tips and guides about home gas safety.

Important Articles

Dangers Of Natural Gas Explosions

To protect your family and your properties, a reliable natural gas alarm will help to significantly reduce the risk of gas explosions...

Game-Changing Initiative For Utility Companies

We are excited to launch the industry's first battery powered methane detector with wireless communication...

New Gas Safety Standards In America

New standards for installation of natural gas alarms in residential and commercial buildings...

Where To Buy

Go to www.DeNovaDetect.com to purchase your Natural Gas Alarms today.

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