How to truly test that first alert combo smoke/fire signal gets through to the monitor company
I use Noonlight to monitor and they have proven to be very responsive. I’ve read that pushing the test button does not notify Noonlight and my bigger concern is how to test to see if CO presence gets reported to Noonlight differently from smoke presence. Not just that a RM test button has been pushed.
Don't you typically phone the alarm company, and say "I am going to be doing testing, ignore things for the next couple hours" or something similar.
Then just push the test button on the smoke alarms and see what happens? The alarm company probably even can verify that the alarm signal went through if you call them.