I am geting a nepnthes ampullaria at chirstmas and was wondering how to keep it between 75 and 95 degrees?
It could take as little as a terrarium for a short while or it could take a warm room or it could take a heated greenhouse. Being so vague is really an insult. Do you want an honest answer? How warm do you keep your living quarters? You may need a terrarium and heater.
You're almost saying "I have a plant and want to know how to grow it???????????????
Do you have any ideas?
Do a search if I haven't narrowed it down enough for you.
my house gets to 55 in the winter and in the summer it gows up to 103
Sounds like you need better insulation or a better heater and AC unit. My place stays 75 to 80 in winter just from pilot lights unless temps drop below freezing and stay there for a couple of days or more. In summer it never gets higher than 82 with the AC on. I would suggest you use an old aquarium and a submersible heater for the winter. Fill the aquarium with about 3 inches of water with the heater on bottom and set your plant on something just higher than the water level. Use a set of fluorescent tubes for lighting or put it near a south or west window that gets good light.
You're going to have to cool the place in summer or put the plant outside. It will probably be ok over 100 for a short period of no more than a couple of hours a day. Don't let it dry out.