Well according to Elon Musk yes they are but I'm not sure you can get hold of teslas new shingles or get a price on them yet. But if you haven't checked them out, check out the YouTube video on tesl ... read more
The first thing to reduce energy is to see where it is being wasted.
An energy audit with blower door test and infared camera is the best place to start.
The list of upgrades range from adding insu ... read more