The exterior of Holly's diner was filmed in the same building that 'Luke's Diner' was filmed in for Pilot (2000).
The "Love you like Christmas" song performed by Cory, the mechanic at the repair garage, is actually a song he wrote and performed in what appears to be his debut movie performance.
The location used for Maddy's apartment is the same one used in Orphan Black (2013) as clone Rachel's apartment.
Filmed on an actual Christmas Tree Farm in Ontario, Canada.
All of the snow covered trees, bushes, etc were all sprayed to look like they were covered in snow in the middle of winter. The land was covered in a fake snow covering. The movie was actually filmed in October.