Taking Winter Gardening to a new level!

So my awesome dad gave me the greatest xmas gift of all time.... while visiting me in November her built me a coldframe that kicks butt!  With $200.00 and some old windows, he went to work on building this amazing mini greehhouse that is currently giving us Kale, tatsoi, spinach and beets in the middle of winter! Here are the highlights?

• The entire cold frame has three separate 'cells' that have their own window that can be opened and closed. 
• First two 'cells' are for growing vegetables, last cell is for compost.  Hope is that the compost breakdown action will help heat this frame just abit
• Veggies I am currently growing are spinach, 3 types of kale, beets, and collards
• Inside the frame is lined with a thick foam that is silver sided to reflect sunlight.
• Back wall is lined with dark gray bricks to hold heat
• A thermometer shows the air temperature (soil temperature is usually warmer)
• Used weather stripping to make the the closure with the windows tighter

So it is now January and the cold frame has been working superbly.  It has been pretty cold here...down to the teens- yet the internal air temp of the frame has stayed above freezing.  During the day it can get up to 40-50 degrees - so not so bad.  Someday my dad wants to add a cube heater inside that will turn on when it gets to 32 degrees.  For now though I am happy as I know the soil is warmer than the air temperature. Here are some pics:

I will post more updated pics -- but I can tell you that this frame allows us to make green smoothies everyday!