is an updates writer for The Spruce. He has over a decade of experience writing about electronics, smart home technology, and other home goods. While his current home isn’t connected to natural gas, he does have a Safe T Alert propane and carbon monoxide detector installed in his motorhome. Though he is a very heavy sleeper, the Safe T Alert is so extremely loud that he feels confident he would be able to get himself and his dogs to safety in the event of an emergency. , We tested and reviewed the best gas leak detectors for your home, that can sense carbon monoxide, natural gas, propane, butane and other flammable gases., We researched gas leak detectors to find the best ones for explosive gases like propane and methane, along with carbon monoxide, since they can occur with a malfunctioning gas stove or other appliance. In our research, we evaluated each gas leak detector for ease of use, alarm volume, sensitivity, and power options (plug-in and battery)..