This is something that I tell them all up front.
I am a piano player who plays in many piano clubs and bars. I more or less am a freelance musician and go wherever I am hired to and whatever pays the best. But the 1 thing that is a must for me is that whatever club or bar I play at must have the most top quality and new central heating and air conditioning! Because having the finest indoor comfort is important for me to do my job and play well. If I do not have excellent heating and air conditioning then I can not perform very well and the people that hire me would not be blissful with that… Neither would the people who come to the bar to hear me and drink. This is why they all know that if I am to be there, they better have the heating and air conditioner in perfect working order. If it is not in perfect working order and of the highest quality and new they will instantaneously get it fixed before I am even stressed to be there. This is something that I tell them all up front. If you want to hire me, your central or commercial heating and cooling system has to be fully working and be the absolutely best so I have complete and total indoor comfort while I perform my music. There was only 1 time I can remember in recent years where the heating and air conditioner was not working properly. I wound up quitting the gig before I even got started and walked right out. I would rather lose some cash than be in such discomfort.