Yep, been there and done that and I think I have 2 or 3 of them hanging around in the cpap box. I even have a hose cozy for the short hose from the heated hose to the mask on my P10.
I have been on cpap for nearly 9 years now and started therapy long before there even was an integrated heated hose like we have now...and the only option was the hose cozy.
They do work but they add weight to the mask and for a mask like the P10 which is so ultra light...makes for the weight of the hose to dislodge the pillows sometimes. So the weight is annoying.
It's just easier to take the heated hose off auto setting and crank up the hose air temp separately. Now if maximum hose air temp didn't do the trick then I might add the hose cozy but so far cranking up the hose air temp fixes the issue for me.
It's just a winter issue anyway....bedroom gets quite cold during the winter because of old house and no insulation and all that.
I can't afford the propane to try to keep the overall temp higher and while I suppose I could use a space heater in the bedroom...I actually like sleeping in a cold bedroom snuggling under the covers...and I am afraid of fire with space heaters.
Pros and cons to all our options and we just choose whatever works best with least amount of cons.