Welcome to the board.
It really depends on what you classify as "low temperature." Based on your broad generalities and the example, I would suggest a Dendrobium Mini Chip or Dendrobium Aussie Chip. Extremely long lasting flowers. They can tolerate a range of temperatures and appear to be pretty easy to grow.
I wouldn't suggest starting with a species right off the bat with such limiting growing conditions. As FYI, most of the white-ish flower orchids are warmer growers. The cooler growers tend to be extremely bright colored because of the limited pollinators in cooler regions in nature. They have to be bright in order to attract the pollinators from a great distance. That is also why they have longer lasting flowers.
If you truly have cool growing conditions, you might try Dendrobium laevifolium or cuthbertsonii. They are compact cool growers that do not require a lot of light. The flowers last for months. In the right growing conditions, they are easy to grow. Where I live, they are impossible without special cool, humid greenhouses.
http://www.orchidspecies.com/d...
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