Chapter 6 of 8
True or myth
Eight things everyone has heard from a relative, a landlord, or a box in a store. Call each one. Every verdict comes with the physics.
0/0
“Cranking the thermostat to 80°F heats the house faster than setting it to 70°F.”
When in doubt, ask: does it make heat, move heat, or run all the time?
Every myth here fails that test. “Efficient” space heaters make the same heat per watt. Closed vents don’t stop the furnace. Fans in empty rooms move air nobody feels.