in Star Trek: The Original Series "The Deadly Years", several cast members are suffering from hyper rapid aging. In the sickbay:
SPOCK: I have a question for the doctor. (Kirk leaves) Doctor, the ship's temperature is increasingly uncomfortable for me. I've adjusted the environment in my quarters to one hundred twenty five degrees, which is at least tolerable. However, I
MCCOY: Well, I see I'm not going to be making any house calls on you.
SPOCK: I wondered if perhaps there was something which could lower my sensitivity to cold.
MCCOY: I'm not a magician, Spock, just an old country doctor.
SPOCK: Yes. As I always suspected. (leaves)
So Spock apparently functions in air that is over 50 degrees F cooler than he prefers, and more or less ignores the temperature difference, but when weakened by old age he turns the temperature in his cabin up at least 50 degrees higher than humans would prefer, and wishes he could turn it up higher.
When beaming down to a planet in an ice age in "Spock's Brain", Kirk orders:
KIRK: Suit temperatures to seventy two. Life-form readings, Mister Spock? (gets a look) Mister Scott?
That indicates that TOS era Starfleet uniforms have built in heaters (and maybe coolers) that can be set to produce different temperatures.
This indicates that in the era of TOS crew members can adjust the temperatures of their uniforms up (and maybe also down) to make themselves more comfortable, and crew members belonging to a species that is a minority among the crew may do so all the time.
And "The Deadly Years" shows that crew members can adjust the temperature in their cabins significantly higher (and possibly also lower) than that in the public areas of the ship.
In "Amok Time" Kirk has difficulty fighting in the thin air and high heat of Vulcan.
MCCOY: Is this Vulcan chivalry? The air's too hot and thin for Kirk. He's not used to it.
T'PAU: The air is the air. What can be done?
MCCOY: (holding up a hypo) I can compensate for the atmosphere and the temperature with this. At least it'll give Kirk a fighting chance.
T'PAU: Thee may proceed.
MCCOY: You're going to have to kill him, Jim.
KIRK: Kill Spock? That's not what I came to Vulcan for, is it? What's that?
MCCOY: It's a tri-ox compound. It'll help you breathe. Now be careful!
So if a crew member finds the air on the Enterprise too thin compared to what he is used to, he may get regular injections of tri-ox or other compounds to boost his oxygen levels.
And I once read that there are machines that can raise or lower the oxygen content of the air in a room or building. I believe that they are used to help people from high altitudes function in low altitudes, and vice versa, and used by athletes to train for competitions.
I think that I haven even seen advertisements for a wearable breathing device to increase oxygen concentrations.
Breathing masks were worn once in TOS, on Gothos in "The Squire of Gothos", and the extremely small size of the air tank or air synthesizing machinery was very impressive.
Even though crew members are not seen wearing such devices aboard a starship, if they can be made small enough to wear they can be made small enough to install in the ventilation ducts leading to a cabin - if the cabin doesn't come with such devices already as standard equipment.
So in the era of Star Trek it should be possible to adjust the atmospheric contents of crew members' cabins.
So it seems probable that crew members who are a minority species on their ship can do a lot to make themselves more comfortable despite the differing requirements of the majority species in the crew. But the precise details of what is available are not specified.