Tolerating cold temperatures without having to idle.

Bunk heater for the win!
Idle at -25c or lower always. Sometimes if I am in -20c and not somewhere I could go if the engine were not to fire up. Above -20c don't even consider it. It usually amounts to only a few nights a year where I have to idle the big motor. I also do not have a coolant heater and plugging it in is not an option for me.
-20c = -4f
-25c = -13f

I will run that bunk heater as soon as I can see my breath wherever I am regardless of time of year.

 

Its 68 degrees in my cab year round .
That's what that APU is for ...and its a tax write off.

 

I tend to turn to bunk heater on all winter, so long as it's the type that you can set an actual temperature and not get too hot.

I sleep better too cold rather than too hot, and I keep enough blankets in the truck to keep warm in some pretty cold temperatures.

 

I never shut my truck off. Ac in the summer heat in the winter.

 

Unless it’s blazing hot I try to find a quiet area, shutdown and enjoy the silence.

 

Go to Wal-Mart and buy the Coleman 20 degree sleeping bag. It's one the fully unzips, so you can open it like a blanket. You can easily go down to the zeros if using that bag or a similar one with other blanets.

 

Back in the day the truck ran from the time I left the yard to the time I got back.

 

before i had my bunk heater i would sleep with a electric blanket into the lower 20*s was comfortable till you had to climb out of bed in the morning. now with the bunk heater i don't idle till sub 0

i tend to prefer to have one of my upper bunk windows cracked when i sleep helps with moisture buildup and fresher air, c02 shouldn't be a issue with the bunk heaters they have a outside air intake/exhaust for combustion air heated cabin air is blown threw a heat exchange. i would look and make sure your exhaust hose is not broken off under the cab. they are pretty thin flexible hose and don't seem to hold up to the vibrations on a truck well.