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Whitepaper & Technical Analysis
For decades, standard double-glazed windows containing inert gases like argon or krypton served as the cornerstone of residential and commercial insulation. However, these systems are fundamentally limited by gas conduction and convection within the cavity. True Double Glazed Windows Vacuum systems (commonly referred to as Vacuum Insulated Glass, or VIG) eliminate this medium entirely. By evacuating the air between two panes of glass to a vacuum level below 10-3 Pa, convective and conductive heat transfer is practically reduced to zero.
The resulting performance difference is massive: standard double glazing exhibits a U-value (thermal transmittance) of approximately 1.6 to 2.8 W/(m²K), whereas advanced vacuum-insulated double-glazed structures achieve U-values lower than 0.6 W/(m²K). This matches the performance of a traditional brick wall or thick foam insulation board but maintains the structural envelope profile of a single slim glazing profile.
| Glazing Type | Typical Cavity Medium | Thickness Range | Thermal Transmittance (U-Value) | Acoustic Performance (STC) |
|---|---|---|---|---|
| Single Pane | N/A | 3mm - 6mm | 5.8 W/(m²K) | ~25 dB |
| Standard Double Glazing | Argon Gas (90%) | 16mm - 24mm | 1.6 - 2.0 W/(m²K) | ~31 dB |
| Triple Glazing | Argon / Krypton | 32mm - 44mm | 0.8 - 1.2 W/(m²K) | ~35 dB |
| Vacuum Insulated Glazing (VIG) | Vacuum (< 0.1 Pa) | 6mm - 12mm | 0.5 - 0.7 W/(m²K) | >39 dB |
Urban decarbonization acts as the primary tailwind driving global demand for ultra-low U-value glass and VIP (Vacuum Insulation Panel) systems. Regulatory structures such as the European Union’s Energy Performance of Buildings Directive (EPBD), the United States' ASHRAE 90.1, and China's stringent "Dual Carbon" Goals mandate unprecedented energy savings for new construction and historical retrofits.
Because historical facades are protected from structural alterations, thick triple-glazed panels often cannot be mounted to existing window sashes due to frame profile depth constraints. Lightweight, slim double-glazed vacuum panels offer the ideal drop-in solution, providing high insulation without altering architectural integrity or adding excessive mechanical load.
At Zerothermo Technology, our design parameters prioritize edge seal longevity and mechanical reliability. Key technical innovations include:
Bespoke Tailoring & Engineering
High-efficiency safety thermal barriers customized for EV battery packs. Thickness: 5mm onwards. Optimizes performance and prevents thermal runaway propagation.
Designed for severe heating apparatus applications. Provides exceptional heat conservation in compact spaces. Size and thickness tailorable to custom specs.
Elevator fireproof door safety cores constructed from premium microporous panels, delivering critical barriers during high-temperature emergencies.
Irregularly shaped vacuum panels with PET film wrapping. Formulated to fit unconventional construction joints or compact appliance recesses.
Flexible nanostructured matrices designed to insulate piping systems, curved tanks, and complex process engineering equipment.
Industry-leading low thermal conductivity core wrapped in engineered outer barriers for structural facade cladding and refrigeration.
Robust cold chain container panels designed to maintain strict temperature zones for cold box shipments, bio-medicines, and high-value cargo.
Large-scale architectural panels designed for low-E high thermal envelope compliance. Maximizes structural life while reducing heat bridging.
Corporate Legacy & Capabilities
Zerothermo Technology Co., Ltd., a subsidiary of the renowned CBVAC Group, is a recognized national high-tech enterprise. Headquartered within the highly specialized Beijing Economic-Technological Development Area, the firm maintains an expansive, ultra-modern manufacturing base located in Nanchong City, Sichuan Province.
This state-of-the-art facility is recognized as one of China’s largest and most comprehensive production centers for industrial vacuum technology application products. Combining rigorous research with large-scale advanced material fabrication, we deliver reliable, high-performance insulation technologies globally.
Bespoke size production based on detailed client blueprints or specific technical configurations outside standard ANSI/ASME guidelines.
Complex geometries including square, oval, or micro-precision configurations exceeding 60 inches in diameter.
Engineered with tight tolerances to support deep vacuum chambers, high pressure vessels, and commercial piping networks.
Our Core Strengths
Unparalleled international standards, rigorously tested vacuum holding capacities, and robust life cycle warranties.
Rapid engineering turnarounds from CAD conceptual blueprints to custom shaped vacuum glass or microporous blankets.
High-capacity automated manufacturing ensures reliable wholesale supply flows for large architectural developments.
Robust specialized crating protocols combined with global distribution logistics for safe and timely delivery.
Dedicated end-to-end support, offering long-term engineering assistance from consultation through to system integration.
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Real-World Deployment
Ensuring ultra-stable thermal insulation for cold chain logistics container boxes. Protecting vaccines, blood products, and high-value cargo from thermal spikes.
High-efficiency thermal insulation solutions for building envelope systems. Empowers modern low-carbon architectural designs to meet zero-carbon targets.
Delivering high-performance microporous insulation shields for heat treatment equipment, furnace linings, industrial boilers, and fire doors.
Applying light, high-performance structural glazed barriers to premium modular prefabricated units and low-E viewing platforms.
Proven Performance
Refitted external cladding utilizing thin double-glazed vacuum window panels, reducing overall HVAC energy use by over 35%.
Comprehensive thermal barrier integration with customized fumed silica VIP insulation boards on high-load building partitions.
Structural retrofit utilizing vacuum insulated panels to meet green education infrastructure standards and improve sound insulation.
Provided specialized fumed silica vacuum insulation panels for high-performance vaccine transport cases, extending thermal hold times to over 72 hours.
Industry Insights
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We offer end-to-end vacuum insulation solutions, covering architectural glass, industrial microporous panels, and custom-shaped logistics inserts. Contact us today for a free design consultation and comprehensive price quote.
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