Recently, I heard that a methane/propane detector is recommended in
addition to a smoke and CO detectors. I have gas (methane)
appliances (oven, stove, two furnaces, fireplace, water heater,
clothes dryer), but currently rely on the additive in gas (and my
nose) to detect leaks. Since CO is completely odorless and very
poisonous a CO detector makes a lot of sense. Most modern gas
appliances have safey shut-off features. So, do we really need a
If you have a serious leak, and no one is around, it won't matter if you
have a methane detector. If someone is home, you'll smell it. Everyone in
the house should know how to turn off the main gas supply
It's not uncommon for elderly people and others with an impaired sense
of smell to not be able to smell the scent the gas company puts in the
gas. If you have an older person in the house, you might want an alarm
for that reason. My mother has a tendency to bump the knobs of her gas
range while cleaning the stove, just enough to emit gas without
activating the spark unit. So the kitchen begins filling with gas and
she doesn't even notice.
I have CO/gas detector in addition to smoke/flame detector in my 5th
wheel trailer. Only CO detectors and smoke/flame detectors in the house
and cabin. IMO, you should answer your own question. There is no such
thing as over-safe.
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