this post was submitted on 18 Jun 2023
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‘No time to waste’: getting Australian homes off gas crucial for meeting net zero targets, report says (www.theguardian.com)
submitted 1 year ago by judasferret@aussie.zone to c/australia@aussie.zone
17 comments fedilink hide all child comments
 

Will those in the southern states cope? Could you switch?

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[–] Zagorath@aussie.zone 2 points 1 year ago (1 children)

another system that was heating up a big tank of water all the time for no reason

Shouldn't a larger system be, in at least some ways, more efficient? Since volume scales by r^3 and surface area by r^(2), a larger tank loses less of its heat to the environment.

[–] Wolfpanther@aussie.zone 4 points 1 year ago

I guess it's efficient in heating up a certain amount of water but the problem is that it was heating up far more water than I was ever using. The insulation of the tank keeps it warm to an extent, but the massive cut in gas usage suggests it was doing a lot of heating for nothing. The new one is efficient in the sense that it only heats what I need and has cut my gas usage.