give and takes of propane heater

I have a proper mummy bag but my dog likes to escape his covers. thus ditching the tent for the cap. easier to trap the heat and wow it gets toasty quick. windows cracked and co2 detector of course but the windows for sure get condensation. 65+F was great, id run it on/off. went through a whole 1lb can. is $5 bucks of heat worth the comfort? it worked great aside windows wet.

oh and i bought a nifty stove fan that has a plate for top of heater. blows the hot area forward 👍