In college, our group of buddies consistently threw a holiday celebration. Occasionally it would be around or on Halloween, other times it could get as late as New Years. Once a year though, all of us threw a sizable bash in the coldest season, but the reason we really did it when it was freezing was to save our precious money. A celebration in the Summer for broke college men is rough… You have a ton of people crammed in a small home plus the A/C has to accommodate all of that… Most of the time, people also leave the door open to let in a breeze, which would be a sizable drain on the house’s already failing cooling system. So what our group of roommates did was throw the home celebration when it was freezing out. The large amounts of people created a lot of body heat indoors. Also, there was dancing plus drinking, which are both natural heat inducers. Instead of paying for extra cooling, the two of us paid for less heating. All of us consistently turned off the gas furnace for the whole celebration. At first, it was a bit freezing being in the middle of Winter season separate from the gas furnace on. After the celebration got going, people started moving plus drinking, the heat would naturally grow. It would get warm and stuffy enough that people would still open the door to let in a breeze. It did not bother my roommates at all since we were not wasting any heating doing this. Smart plan with our heating component right? The natural heat of the people seemed to balance out our whole place just perfectly.