HVAC pros reveal 2 'Goldilocks' ranges for the ideal room temperature in bitter winter – it differs from day to night, and room to room

Neutral Living Room with teddy chairs wooden accents, tall brass mirror, lantern with lamps on movable arms and a large bright crittal window facing a winter barren tree.

We need heating to stay warm, prevent condensation, and keep our homes damp-free, but you could save money on energy bills by knowing the ideal temperature of a room and when to change it throughout the day.

Whether it's your bedroom, sitting room or dining room, keeping your rooms heated to two 'Goldilocks' ranges that vary for day and night will benefit your health, comfort, and make your heating more efficient, say these HVAC pros.