An-Najah Staff

Introducing and implemnting basic common sence and energy saving a wareness regarding building of new homes, it concise with site location, orientation and the use of natuaral wind, noise and sun barriers. and emphasis is given to thermal insulation and vapor barriers. the insulation value (R value, resistant to heat flow) is given a value of 10, which is very realitic and can be reach easily in that part of the wolrd, using window shade, double glass window and locating house windows according to sun light orientation ted so you can feel the difference with the electric bill.