Door design elements of a proposal. For decoration company said better thermal conductivity material such as aluminum sash window frame materials, large glass relatively small area of ??the glass is good, because the large glass window frames to reduce the proportion of materials, through the rational allocation of hollow glass structure, optimize the performance of the largest whole window; 2. High performance thermal performance weaknesses window sash and glass edge material, because the glass center is efficient, window frames and glass edge conduction is relatively high, should choose insulating spacer (no metal / rare metal) and thermal break, low profile sash material; 3. Avoid the use of large areas Xishai glass, sunset is a good, but the cost of air conditioning is high; 4. Open window ventilation requirements should consider setting and prevent air leakage, and set the emergency exit, sliding sash casement window can be obtained relatively high ventilation capacity, but open in the form of design needs to consider the wind pressure; 5. Increase the layout, reducing the area of ??the window frame and fan material, improve vision and performance of the entire window transparent. Royal Purple Royal Purple decorating ideas Golden Hammer - Construction failed, want to hit to hit the British butler service - to give you the ultimate customer experience 5S construction site - Taiwan 5S standard time super-flu talks between the site clean - large screen projectors display design style top European environmental standards - all materials by SGS / ITS detection Royal Purple hourglass - over the contract period, the unfinished projects are all free to send Royal Purple decoration - Decoration life care specialists (Qingdao best value) our services, from the decoration decoration others really started after! Company Address: Qingdao City, Dunhua North Road 328, Building 1, 904 stores Nordisk Plaza Address: Qingdao City Nanjing Road No. 80 Tel: 13792488372 or 400-099-0289 QQ online: 3036261072 Website http: // www. ziyudeco.com/