【How-to】How high above a baseboard heater should curtains be

Baseboards and fan heaters cannot be blocked by furniture, bedding, drapes, or anything else. Allow 3 feet of clearance in front of a fan heater; 6 inches to the sides, and 12 inches above the heater. Allow 12 inches of clearance in front of a baseboard, 6 inches to the sides, and 12 inches above the heater.