Presumably these solar films reduce the heat gain in the winter too so bigger fuel bills?
Yes they do reflect heat gain in winter, but I believe they also work better at keeping heat in the house, so less heat loss.
I believe they also work better at keeping heat in the house
not sure how that is supposed to work to be honest
@Acliff started
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Presumably these solar films reduce the heat gain in the winter too so bigger fuel bills?