Originally Posted by waldig
FYI your car is throwing off about 75% of the power as heat to the 25% actually that goes to the rear wheels. I.E. 400HP @ flywheel and then sent to the rear tires (bout 350) means your burning way over 1000 HP worth of additional heat producing gasoline, to produce this power. A horse power is equivalent to 746 watts or about 2100 btus, so the radiator is getting rid of over 1-2 million btus per hour. Phew
Your home gas furnace has between 60,000 to 100,000 btus output for a comparison. Heat pump? well most of them are between 24,000 and 48,000 btus for a regular home.
Woody