Re: Smoke and CO2 detectors
You definitely want a marine CO detector, not Home Depot, wired into 12V.
The domestic ones alarm when they reach a threshold, while the marine ones calculate an actual dose over time (time-weighted average). This means that a domestic one is constantly going off, when it gets a whiff of CO from your engine or someone else's. My marine one never triggers accidentally.
1984 Bristol 31.1
Alameda, California, USA