Opposite-window mirrors work in rooms under 240 sq ft (but adjacent placement wins for L-shapes over 300)
Your rental living room measures 220 square feet with one north-facing window and you’ve scrolled past 47 mirror placement tutorials promising instant brightness without explaining why your 36×48 inch Target mirror still leaves the sofa corner dim at 2pm. The formula isn’t about buying bigger mirrors. It’s about matching placement mechanics to room geometry. Rooms … Read story









