<noframes id="dthnn"><address id="dthnn"></address>
<noframes id="dthnn"><address id="dthnn"></address>

      <address id="dthnn"><listing id="dthnn"><progress id="dthnn"></progress></listing></address>

        <form id="dthnn"></form>

        <address id="dthnn"><address id="dthnn"></address></address>
          News center Your current location : Index - News center

          how to choose suitable windows

          release:adminglassjt browse:1675

          1 Indicators to measure the energy saving performance of windows

          The indicators for measuring the performance of energy-saving windows include four aspects: thermal insulation performance, solar heat gain performance, lighting performance, and air leakage prevention performance. With the improvement of living standards, the thermal comfort performance, noise prevention performance of windows and doors, and condensation performance of windows in cold areas have gradually been recognized.

          2 issues to consider when designing windows

          In the north, the main function of building windows is to obtain sufficient lighting, and it is necessary to control the windows to obtain reasonable heat when the sun is shining, and reduce heat loss when the sun is not shining;

          Fang, by controlling the shading coefficient of the window, the sun's heat gain from the window is reduced.


          自拍偷区亚洲及综合第一页-六月的丁香色五月-兔女郎电影网久久影院-日本中文字幕乱码免费|亚洲欧洲另类春色小说|凹凸在线播放免费人成视频