A published Selection

How a heat pump actually works, in under 20 minutes

8 videos, 1 h 34

8 videos that build up from the box on the wall to the cycle moving heat inside it.

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01
How a Heat Pump Works | This Old House
This Old House
Starts with the box on the wall and points at each part before naming anything.
02
Heat Pumps Explained - How Heat Pumps Work HVAC
The Engineering Mindset
Draws the whole refrigerant loop as an animation, so the cycle stops being abstract.
03
How A Heat Pump Works - HVAC
The Engineering Mindset
Adds the reversing valve, the 1 part that explains how heating becomes cooling.
04
How heat pumps work for dummies.
Heat Geek
Plain language from an installer, aimed at the person who owns the house.
05
How heat pumps REALLY work - BBC World Service
BBC World Service
Answers the question everyone asks: how it still works when it is freezing outside.
06
HVAC Heat Pump Basics
HVAC School
The technician version, with the gauges and pressures the animations leave out.
07
Why Heat Pumps are Immensely Important Right Now
Technology Connections
Argues the case rather than describing the machine, and shows the efficiency numbers behind it.
08
The Genius Of Hot Water Heat Pumps
Undecided with Matt Ferrell
Applies the same cycle to your water heater, where most people meet one first.