138 comments on The Oil Intensity of Food
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138 comments on The Oil Intensity of Food
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Super high efficiency refrigerators:
http://www.sunfrost.com/
There are some European brands that are highly efficient also. (perhaps someone can provide names?)
Sunfrost has been in business for years. They started making high efficiency DC refrigerators for PV applications, but now make AC models also. Their refrigerators are far more efficient than Energy Star certified major brands.
Refrigerators only consume 10% of household electricity. Upgrading to a high efficiency HVAC system can save more energy than replacing a refrigerator.
I feel the need to also plug their main competitor, Sundanzer.
http://sundanzer.com/
I'm looking into getting a Sundanzer instead of a Sunfrost, mostly due to higher efficiency of chest-based refrigeration as opposed to cabinet based. (Cold air rushing out as soon as you open the fridge/freezer on cabinet based systems.)
~Durandal (http://www.wtdwtshtf.com)
Or build one yourself. See http://www.builditsolar.com/Projects/Conservation/chest_fridge.pdf. This one uses about 0.1 Kwh/day.
Hi Benedictus,
I am constantly amazed at how much I learn from this site. Your chest fridge is fantastic and I can see exactly what I'm going to replace my old cabinet fridge with when it dies. Your mods are simple, non-invasive and cheap, which are just fantastic. If you want to package up the kits, let me know and I'll flog a few for you although i suspect it is really easy to replicate with a quick vist to Jaycar or Dicksmith. Well done. How amny beer fridges, humming away in garages is this ideal for.
Eliminating the HVAC system altogether and using solar exhaust fans will save much, much more energy...
Or, live in a house that is naturally moderating the temperatures (south facing, etc.) and simply not use the HVAC until it gets very hot or cold.
Better yet, abandon central heating and cooling except to the extent that it is needed to keep pipes not frozen.