> Ok then, to bring it full circle, which CO detectors are
> the best ?
Like I said the tin dioxide semi conductor technology was/is
common to most the plug in brands. The higher cost models came
with LED's, battery back-up (The only time you will be potentially
producing CO in your home when there is a power outage, is if you
run a log fireplace or wood stove during a power failure). I would
rather have two simple ones for the price of one loaded with
options.
When I ran American Sensors we actually gas tested every unit -
that's 20,000 per day. I don't know who else does or did that. We
also tried to introduce a full proof way to test your detector at
home with a gas vial test kit for 3 bucks. First Alert attacked us
saying it proved we had no confidence in our product and we
withdrew the test kit.
All my involvement with this industry is more than 5 years old. I
would bet Nighthawk is still OK (I see them at Home Depot), even
though they had a recall about 4 years ago.
This is affordable and good technology. It does have some
susceptibility to false alarming to hydrocarbon and alcohol
volatiles (ie hairspray).
Mike L
60A,67E,59Bug
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