MEZZO
VINYL WINDOWS & DOORS
Mezzo Series – Premium Vinyl Window & Door System
The Mezzo Series  represents the next generation of vinyl window and door innovation. Engineered with narrow-line frames, dual-pane ClimaTech® insulated glass, and Super Spacer® warm-edge technology, Mezzo delivers superior energy performance and sleek, contemporary aesthetics.
Its fusion-welded, multi-chambered frame enhances strength and insulation, while the recessed sash design ensures a tight, energy-saving seal. With smooth operation, noise reduction, and low-maintenance construction, Mezzo is perfect for homeowners seeking modern style, lasting comfort, and exceptional value.
Each Mezzo system is backed by Panora’s Lifetime Limited Warranty, guaranteeing long-term reliability and peace of mind.
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Modern Design. Maximum Efficiency.
Frame Construction: Narrow-line vinyl frame with insulated multi-chamber design
Glass System: ClimaTech® TG2 Low-E glass with Argon/Krypton gas fill
Spacer System: Super Spacer® foam warm-edge technology for maximum thermal break
Thermal Performance: U-Factor as low as 0.26 (Btu/hr·ft²·°F); SHGC ≈ 0.20–0.28
Air Infiltration: ≤ 0.07 cfm/ft² (per ASTM E283)
Water Resistance: Meets or exceeds ASTM E547/E331 standards
Sound Transmission: STC Rating ≈ 30–35 dB (glass dependent)
Design Pressure (DP): Up to DP-60 for enhanced structural integrity
Certified to Global Standards:
Panora’s vinyl and aluminum systems — including the Alside Fairfield 80 and Mezzo Series — are engineered, tested, and certified to meet international performance and safety benchmarks. Every system reflects our commitment to precision engineering, durability, and environmental responsibility.
