![]() ![]() A great example is the Mall of America, which has a central atrium that has a glass roof. Put your bed up high for a wide viewing angle.Īs The Evil Greebo states, it's certainly done in many commercial buildings. ![]() Small solar tubes bring in a huge amount of light for their size.Ī skylight over your bed can let you stargaze in comfort. However, you can get a lot of what you're looking for with a much less ambitious approach. Meanwhile, you lose the opportunity to put photo-voltaic panels on your roof. ![]() Roofs in particular get beat up pretty hard standard roofs (asphalt shingles) around here last about 20 years. Sloped windows should be tempered for safety, which makes them even more expensive. Windows are generally an expensive feature in a house. You'll use a lot of energy to stay warm.Īt the same time, it would be very expensive. Even triple-pane glass is only R-3 inert gases inside help, but over time they leak you probably can't have a good seal if you want to run a curtain through them.ĭuring the day, insolation will warm your house through the ceiling (probably too much, even in your part of the world), but at night when you're only losing heat, you'll really feel it. To put it in USA terms, a single pane of glass is R-1, while many house walls are R-20 and ceilings R-30. The insulation value of glass is very low. You lose more heat through ceilings than through other surfaces (because the warm air is touching it, and because of good convection currents). ![]()
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