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If you’ve got a dark roof, you’re spending almost $700 extra a year to keep your house cool - One Step Off The Grid (onestepoffthegrid.com.au)

submitted 8 months ago by [email protected] to c/[email protected]

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[–] [email protected] 7 points 8 months ago (13 children)

I have a dark roof and I am always always heating my home (except in summer, when I open windows).

I'm in greater sydney. Why is my house so cold?

[–] [email protected] 3 points 8 months ago (3 children)

The only explanation would be an attic (any air gap) &/or high quality insulation between the roof and living area. If you have solar (incl pool), that would divert a lot of heat too.

[–] [email protected] 3 points 8 months ago (2 children)

Dogshit insulation, reasonable roof space + sarking. Gets v toasty in the room that has less roof space even though we did the insulation there with high quality stuff so maybe it's the air gap?

have solar actually. Not over the one warm room. Maybe it's that combo!

Good thoughts. Also fuck I wish we double glazed windows. It gets to like 4 degrees in my bedroom over winter nights.

[–] [email protected] 1 points 8 months ago

Yeah lol of course solar is gonna make your house colder. The Sun's rays are made of photons with a certain amount of energy. That energy can either turn into heat, or it can turn into electricity. Solar panels turn 20% of the energy into electricity instead of heat.

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