Homemade Plate to Air Heat Pump

A heat pump uses compression and expansion to draw heat from a cool environment and deposit it in a warmer environment. Heat pumps are commonly found in warmer climates to heat the homes and buildings during the winter. A physical limitation prevents heat pumps from raising the inside temperature more than 30 degrees Fahrenheit, making them impractical for colder climates.

Radiant heat exchanger
High pressure tubing
Expansion port
Plate heat exchanger
Refrigerant filling port
Compressor
Refrigerant

Instructions

- 1
  Install the radiant heat exchanger where you want to deposit the heat. Often this is in front of the ventilation fan for a building, so that the heat can be distributed throughout the building.
- 2
  Connect a piece of high pressure tubing to the input and output of the radiant heat exchanger. The output piece must run to the location of the plate heat exchanger while the input piece must run to the location of the compressor, which may be closer.
- 3
  Screw on the expansion port to the end of the piece of tubing running to the output of the radiant heat exchanger. Then screw the other end of the port into the input on the plate heat exchanger.
- 4
  Connect a piece of tubing to the plate heat exchanger's output, and then run it to the location of the compressor.
- 5
  Screw on the filling port onto the end of the piece of tubing running to the plate heat exchanger. Then screw the filling port into the compressor's input.
- 6
  Connect the piece of tubing running to the radiant heat exchanger's input to the output of the compressor. This will complete the refrigerant loop.

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