Yes, but a lot of that heat comes "for free" from cooking, your fridge/computer/apliances, hot water usage, body heat, etc. I have a heat pump for heating and

Yes, but a lot of that heat comes "for free" from cooking, your fridge/computer/apliances, hot water usage, body heat, etc. I have a heat pump for heating and cooling, and my electric bills are only slightly higher in winter (5-10%).