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![](https://static.wixstatic.com/media/e8f84d_1b32b489b989418b9b23386a81484bef~mv2.png/v1/fill/w_220,h_34,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/e8f84d_1b32b489b989418b9b23386a81484bef~mv2.png)
Breathable Secondary Window Retrofit (SWR) System
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Easily Upgrade Non-Operable Windows from the Interior Without Replacement
Patent-Pending Interior Easy-Retrofit System
![INOVUES-SWR-transparent-Before-and-After-inset-or-overlap-3.gif](https://static.wixstatic.com/media/4b2cfe_699f32d0627246c7aefb35b1ca4ce133~mv2.gif)
Breathable
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Uniquely engineered solution eliminates dust and heat build-up that could cause thermal stress, fogging and condensation
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Installs quickly and cleanly from the interior without having to drill or alter any parts of the existing window system
Elegant
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Ultra-slim profile maintains the daylight opening
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Available in multiple color options to match the original framing
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Tailored to the unique existing window conditions
SWR Performance
![](https://static.wixstatic.com/media/4b2cfe_9aa65e0a5bdd4516a04e97b0c779199b~mv2.png/v1/fill/w_90,h_90,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/4b2cfe_9aa65e0a5bdd4516a04e97b0c779199b~mv2.png)
2-10x added insulation
![Energy Efficiency Icon-01-01.png](https://static.wixstatic.com/media/d0dc3d_e0d79b97cdd9458b89812237015e0afa~mv2.png/v1/fill/w_90,h_90,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/Energy%20Efficiency%20Icon-01-01.png)
Up to 40% energy savings
![NO sound icon teal.png](https://static.wixstatic.com/media/4b2cfe_135cac8a44744510ac2fd6d86d31fe54~mv2.png/v1/fill/w_90,h_90,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/NO%20sound%20icon%20teal.png)
65%+ outside noise reduction
Existing | + SWR | + SWR-IG | + SWR-VIG | |
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Glass | Single-Pane, Clear | Single-Pane, Low-E | Double-Pane, Insulating Glass, Low-E, Argon | Double-Pane, Insulating Glass, Low-E, Vacuum |
U-Value (Total) | 0.97 Btu/hr ft2 F, 5.52 W/m2 K | 0.42 Btu/hr ft2 F, 2.39 W/m2 K | 0.29 Btu/hr ft2 F, 1.71 W/m2 K | 0.22 Btu/hr ft2 F, 1.18 W/m2 K |
R-Value (CoG) | 1 | 3 | 6 | 13 |
SHGC | 0.73 | 0.41 | 0.19 | 0.21 |
VLT | 0.76 | 0.38 | 0.3 | 0.27 |
![Gradient 3.jpg](https://static.wixstatic.com/media/e8f84d_18ac4bf89242431ba473bf2596ac1724~mv2.jpg/v1/fill/w_968,h_1161,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/e8f84d_18ac4bf89242431ba473bf2596ac1724~mv2.jpg)
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