Green house temp? Does any one know what temp. a green house would be in...

Does any one know what temp. a green house would be in New England during the winter months? And would having a pool inside the house kind a difference in temp?
How to cultivate picea rubens out of its...
Answers:    Tough question to answer. The more sun it get the warmer it will be. And if it is protected from the wind. Also the characteristic of the house itself plays a crucial factor.

But in general accumulation a pool will help reduce the heat fluctuation due to the added humidity. And adding a small heater during the cold winter months should hold just about any greenhouse reheat enough to not kill your plants.