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LandVac offers comprehensive energy-saving solutions for buildings with its high comfort and low energy consumption features. U-value can be as low as 0.4W/(㎡·K). A piece of 8.3mm thick LandVac provides a heat insulation effect better than that of a 1.5 m thick brick wall.
Energy Conservation
U-value as low as 0.4W/(m2•K). A 8.3 mm thick LandVac has better thermal insulation effect than the 1.5m thick brick wall.

Thanks to the high vacuum chamber of LandVac, which effectively blocks the thermal transmission,the thermal insulation performance of LandVac is 2-4 times better than insulated glass and 6-10 times better than single pane glass, significantly reducing heat exchange and boosting the energy fficiency of cold chain appliances.

Reduce the usage of HVAC systems to enhance natural comfort and stay healthy;

Compared with insulated glass, the energy consumption per unit of floor area is reduced by approximately 20% ;

Easy to improve the energy efficiency of fenestration by choosing a variety of profiles and materials.

Energy Conservation
Outstanding Environmental Adaptability
Since there is no thermal expansion or contraction in the high vacuum chamber of LandVac, the use of LandVac is not limited by geographical locations, elevation, or installation angle.

Thanks to the high vacuum chamber of LandVac, there is no thermal expansion or contraction even if the elevation of the location where it's used is largely different from where it's manufactured.

Furthermore, unlike insulated glass, whether it’s mounted horizontally or at an angle, the U-value of LandVac remains constant, which ensures excellent energy-saving effect,especially suitable for skylights, sunroom, daylighting roof, and applications in other special spaces.

Outstanding Environmental Adaptability
Ultra-low dew point
Ultra-low dew point
Remain condensation-free when the temperature difference between the two sides exceeds 70℃, keeping away from condensation;

Restore the original transparency of high-end curtain walls and display windows in cold winter.
Note: Test conditions: Indoor temperature at 25℃, outdoor temperature at -50℃, with relative humidity at 70%.

Common glass
LandVac
Super Long Life Super Long Life

Super Long Life

Lead-free Lead-free

Lead-free

Noise Reduction Noise Reduction

Noise Reduction

Tempered and Safe Tempered and Safe

Tempered and Safe

Thin and lightweight structure Thin and lightweight structure

Thin and lightweight structure

Super Long Life
The service life expectancy of LandVac exceeds 25 years.

By using flexible edge sealing materials, LandVac overcomes the seal failure problem caused by fragile sealing materials especially in the environment with big temperature difference between the inner and outer glass surfaces. Moreover, with the assistance of built-in high efficiency getter material, it can sustain a high level of vacuum for a long time.

Super Long Life
Lead-free
The Testing Report from CTI, which is authorized by RoHS EU, has witnessed the outstanding environmental-friendly performance of LandVac.

CTI testing concludes that the metal sealing material is lead-free, hazard-free, and food-grade safe.

Lead-free
Noise Reduction
With its weighted sound reduction index exceeding 39 dB, LandVac makes rooms in downtown quiet like a library.

Thanks to the high vacuum chamber of LandVac , which effectively blocks the sound transmission, the sound insulation performance is far better than insulated glass. It has remarkable acoustic properties against high penetrative medium and low frequency noises such as traffic and construction noises.

Noise Reduction
Tempered and Safe
Completely retains the high strength, impact resistance, and other safety characteristics of tempered glass with its unique FLAS Flexible Lead-free Alloy Sentry technology.

The surface stress and fragmentation test of LandVac conform with the standard of tempered glass with wind pressure resistance up to 7200Pa, fully meeting the requirements of the national standard.

Tempered and Safe
Thin and lightweight structure
A piece of 8.3 mm thick LandVac weighs only 20kg/㎡. It reduces the use of materials while extending the service life of hardware. The costs on storage and logistics are also significantly reduced.

In comparison with triple-pane insulated glass, LandVac has only a quarter of its thickness and weighs at least 10 kg less per square meter while managing a better U-value. The thin and lightweight structure of LandVac allows high-end refrigerators, fenestration hardware, and window frames to reduce their size, extend the service life, while reducing the costs on storage and logistics.

Thin and lightweight structure
Certifications
IFT Test Report
IFT Test Report
CTC Energy Efficient Product Certificate
CTC Energy Efficient Product Certificate
Green Building Material Product Certificate
Green Building Material Product Certificate
References

LandVac Energy saving Series products have been successfully used in the projects of many well-known domestic and international enterprises, such as Shandong passive house kindergarten, Hunchun border post, and Denmark Velux, Country Garden, and Poly Group. LandVac is highly recognized in construction, energy-saving, and many other fields.

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案例展示
Specifications
Product SeriesProduct ConfigurationSpecificationsSuitable Regions for Installation
U-value
(W/m2·K)
Visible Light Transmission (VLT) %Visible Light Reflectance (VLR) %Solar Heat Gain Coefficient (SHGC)Shading Coefficient (SC)Light-to-solar Gain (LSG)Weighted Sound Reduction Index (dB)
OutdoorIndoor
Energy saving Series5TL +0.3V+5T0.457011120.390.451.7939All regions, especially the cold areas, the hot-summer/cold-winter zone, or the areas with temperate climate.
Energy saving Series5TL +0.3V+5T0.57913120.570.661.3939All regions, especially the areas that are cold or freezing cold.
Energy saving Series5TL +0.3V+5T0.455216200.300.351.7339All regions, especially the area that have hot summer and warm winter, or the areas with temperate climate.
Energy saving Series5T+12A+5TL+0.3V+5T0.446216150.370.431.6841All regions, especially the cold areas, hot-summer/cold-winter zone, or the areas with temperate climate.
Energy saving Series5T+12A+5TL+0.3V+5T0.487218160.510.591.4141All regions, especially the areas that are cold or freezing cold.
Energy saving Series5T+12A+5TL+0.3V+5T0.444620220.270.311.741All regions, especially the area that have hot summer and warm winter, or the areas with temperate climate.
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LandVac, Exceeding Expectations!
LandVac is installed in many architectural projects by its outstanding performance and reliable quality. 

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