It's a given that most bulbs are located on the ceiling, unless you have a fan to redistribute that heat to the ground you aren't feeling the warmth. Also, whe

It's a given that most bulbs are located on the ceiling, unless you have a fan to redistribute that heat to the ground you aren't feeling the warmth. Also, when lights are off you still need to heat the house. Unless you're using the bulbs during the day, your HVAC unit will need to be just as big.