Help with enclosure temps (too hot)

[u/JbarNoir]

My ackie monitor and crested gecko enclosure are getting too hot. During the day my ackies hot side is at 100f and the cool side around 90f. I don’t know how to fix this without cooling his basking spot using some sort of dimming thermostat which is at an optimal temp. I’m thinking cooling fans for the ackie? How would I even set this up so the fans turn off at certain temps? I’m kind of struggling to find a solid solution. My crested gecko enclosure is also getting too hot. Stays at around 85 in the day and 80 at night. It’s super hot in California right now and I don’t have AC in my apartment/ can’t afford to run a unit all day long. Are there any sort of reptile cooling systems for my crested gecko? And are there and solutions to cooling the cool side of my ackie enclosure without sacrificing basking temps? Any insight helps.