Solar thermal system integrates invisibly into slate roof
For some, solar panels are a status symbol; that's why so many people put them on their homes instead of fixing air leaks or changing light bulbs. The Onion made fun of it a couple of years ago: © The Onion Others prefer quiet money, believing the old dictum that "if you've got it, don't flaunt it." For example, real slate roofs are about the most expensive you can buy, but they last almost forever and they are really beautiful. The last thing you are going to want to do is cover them up with photoelectric or solar thermal panels. Solar energy is one thing, but an elegant roof is another thing altogether. © Thermoslate That's why the Thermoslate system from Spanish slate company Cupa Pizarras is so interesting. Being dark, a slate roof absorbs a lot of heat; being stone, it has good thermal mass and holds it for a while. © Thermoslate In the Thermoslate system, slate roof tiles are integrated with thermal cells that are ganged into solar thermal