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Posted By: Seretthe air already in the rest of the house has to flow somewhere.
Unless your sunroom is really massive
Unless it was under automatic control and could automatically switch off when the temperature delta dropped I think it'd be a case of overengineering.
Posted By: skyewright46m3/h (13 l/s) @ 2.5 Watts
Posted By: SeretTbh, at those rates of shifting air you'll move more energy than the fan costs at virtually any delta T.
Posted By: skyewrightIf a fan were installed I'd expect it to have temperature based control of some sort.I probably count as a fan (no pun intended) of overengineering...
Posted By: Ed Daviesleave any noticeable warmth later in the day
Posted By: Gotanewlifehttp://www.reuk.co.uk/buy-SOLAR-PUMP-CONTROLLER-WITH-RELAY.htmSkyewright - this was my post on your other sunroom thread - as a fan of over engineering £30 will give you exactly what you want.
Posted By: Ed DaviesSo to break even the temperature difference needs to be 192 J/m³ / 1300 J/(m³·K) = 0.15 K (or °C)
Posted By: joe90I found this very interesting on the subject of moving warm air into a house from solaroom:-
Posted By: SteamyTeaNot enough energy to heat the thermal mass, that's interesting.
Posted By: Ed DaviesThis morning it's bright but cloudy after a dull start and about 16 °C outside, 11 or 12 °C in most of the downstairs, 22 °C in the ”manifold” of the warm air heater outside the window and 15 °C in the bathroom air yet a strip of tiled floor by the bath is still at 12 °C.
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