Since both sashes tilt in and move, exterior cleaning is made easy and can be done from the inside. The easily removable full screen makes it easy to freshen up screens whenever required.
Model | U-factor (W/m² – K) | Solar Heat Gain (SHGC) | Energy Rating | ENERGY STAR Zone(s) 2015 | ENERGY STAR Zone(s) 2010 | Layers of Glazing | NRCan Reference | Energy Efficiency Verification Reference | U-factor (Btu/h/ft² – °F) | Visible Transmittance | Air Leakage – Infiltration (l/s*m²) | Air Leakage – Exfiltration (l/s*m²) |
DSLO_IS_CLRCARD-ARG90-CARD180#3 | 1.71 | 0.52 | 31 | 1|2 | ABC | 2 | NR9161-12602002-ES | W535-1 | 0.3 | 0.59 | 0.85 | 1.1 |
DSLO_IS_CLRCARD-ARG90-CARD180#3-ARG90-CLRCARD | 1.65 | 0.47 | 29 | 1|2 | ABC | 3 | NR9161-12602006-ES | W535-1 | 0.29 | 0.54 | 0.85 | 1.1 |
DST_IS_CLRCARD-ARG90-CARD180#3 | 1.71 | 0.52 | 30 | 1|2 | ABC | 2 | NR9161-12602007-ES | W535-1 | 0.3 | 0.59 | 1.2 | 1.5 |
DST_IS_CLRCARD-ARG90-CARD180#3-ARG90-CLRCARD | 1.66 | 0.47 | 28 | 1 | AB | 3 | NR9161-12602011-ES | W535-1 | 0.29 | 0.54 | 1.2 | 1.5 |