STEP 1. ROOM LOCATION Please choose the floor level , the room height from the lists below and enter the floor area in square metres in the box below:
FLOOR LEVEL
STEP 2. OUTSIDE WALLS Please choose theoutside wall type, the room height from the lists below and enter thelength of the outsidewall(s) below:
OUTSIDE WALL TYPE
STEP 3. WINDOWS Please choose the window type and the outside wall type from the lists below and enter the area of the windows in square metres below:
WINDOW TYPE
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