Living · 6 pages · 12 min
How a heat pump differs from a resistance heater
A heat pump moves outdoor heat indoors, while resistance heat only makes heat from current.
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From the opening
A heat pump warms a house by moving heat from outdoor air, the ground, or another source into the rooms. A resistance heater warms by running current through a metal that resists it, so the electricity itself becomes the heat. The opening covers moving heat instead of making it, the outdoor coil as the source, and why resistance is one for one.
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Inside
- Moving heat instead of making it
- The outdoor coil as the source
- Why resistance is one for one
- Cold weather and backup heat
- Where the idea stops applying
- A distinction worth keeping
Sources
- The vapor-compression cycle run as a heater
- Resistance heating as conversion of current to heat