What Are the Best Gas Leak Detectors? These four detectors cover carbon monoxide, radon, propane, methane and smoke, and are designed to be on guard 24/7 to alert you if there’s a leak. 1.

The MPS™ technology protects against the dangers of propane leaks when using propane for HVAC&R, dryers, refrigerator systems, and other systems.

After an undetected propane leak caused a house explosion in McCall, fire officials are speaking out with a safety message to prevent other disasters.