When you fly as much as I do for business and personal needs, you really need to ensure that you have that feeling of indoor comfort, great air quality as well as perfect temperature control.
Sadly, this is not a common things to find on airplanes.
However, it can be if you want to spend extra money. As much as I hate doing it, with as much as I fly I find no other choice but to do this to get the perfect air conditioning or heating, and to have great air quality. It’s called flying first class. I am sure you have heard of it and may have even flown first class a few times in your life if your job ever sent you anywhere on business. The heating and air conditioning (depending on the time of year) is always as perfect as the heat and a/c in your own home. That’s the first thing. The second thing is that most first class sections of a long flight have the best air quality. They have some kind of air purifier to ensure this. I know because not only have I experienced this, but I confirmed it with someone I know who works for the airline that I fly frequently. I think it’s kind of stuck up that the airlines can not provide this type of indoor comfort to regular class passengers as well for a better flying experience. However, in a way I do understand that it costs to run all this heat and a/c equipment on the plane. So it makes sense to make the passenger pay for that luxury.