Heat Pump: Difference between revisions

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=Sourcing=
=Sourcing=


*2ton, 9 HSPF, 17 SEER, $1040 [https://iwae.com/shop/24k-btu-17-seer-mrcool-advantage-ductless-heat-pump-split-system-3rd-generation-wall-mounted-ha18430.html?gclid=CjwKCAiAmrOBBhA0EiwArn3mfMVnsYpf_qOkQ2g8l8jPfZPiRYVW7Lghi36dAEi3nF0qMWgMO7B2exoCBJEQAvD_BwE]. Has outlets for up to 4 heat exchanger units. One unit comes with the basic package. This one needs to be vacuumed and pumped. DIY versio is precharged for $800 extra.
*2ton, 9 HSPF, 17 SEER, $1040 [https://iwae.com/shop/24k-btu-17-seer-mrcool-advantage-ductless-heat-pump-split-system-3rd-generation-wall-mounted-ha18430.html?gclid=CjwKCAiAmrOBBhA0EiwArn3mfMVnsYpf_qOkQ2g8l8jPfZPiRYVW7Lghi36dAEi3nF0qMWgMO7B2exoCBJEQAvD_BwE]. Has outlets for up to 4 heat exchanger units. One unit comes with the basic package. This one needs to be vacuumed and pumped. DIY versio is precharged for $800 extra. You can set it for freeze proof - which keeps your space at 42F.
*Videos for the above:
*Videos for the above:
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<html><iframe width="560" height="315" src="https://www.youtube.com/embed/CBw0RscUdb4" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe></html>

Revision as of 07:10, 19 February 2021

Topgraded Resources

Calculations

  • Coefficient of Performance. Note that the Europeans have a more sophisticated Seasonal COP (SCOP) [1]
  • US has SEER - Seasonal Energy Efficiency Ratio[2]
  • Heatuing Seasonal Performance Factor - [3]
  • Cost - note that the above states $7-11k system cost - large value that the owner-builder can create as the hardware involved is only 1/5 of the cost.
  • Ground Source - tubing install cost is $13-24k according to above video. Extraction is 10-30W/meter of tubing. Water source heat pump is a bit better, and has extraction of 20-60W/meter of tubing.

Sourcing

  • 2ton, 9 HSPF, 17 SEER, $1040 [4]. Has outlets for up to 4 heat exchanger units. One unit comes with the basic package. This one needs to be vacuumed and pumped. DIY versio is precharged for $800 extra. You can set it for freeze proof - which keeps your space at 42F.
  • Videos for the above: