IGLO Energy Classic
Ultra-Efficient Vinyl Windows Manufactured in the USA
The IGLO Energy Classic window system offers cutting-edge performance and contemporary aesthetics, with an optional square glazing bead that perfectly complements modern architectural trends. Manufactured and engineered with a 7-chamber PVC profile, foamed EPDM sealing system, and premium warm-edge glazing, it is a top-tier solution for energy-efficient building envelopes.
This system is ideal for those who prioritize both thermal performance and design flexibility, without compromise.
Operating Types:
- 7-chamber multi-seal PVC profile 3-1/4” Exceptional insulation and rigidity for extreme climates.
- Double & Triple glazing (double chamber) one of the best-performing vinyl window systems on the market.
-
Swisspacer Ultimate warm-edge spacer
Reduces thermal bridging and improves condensation resistance. - Modern V-perfect welding technology Flawless, seamless corner joints for improved aesthetics.
- 4 anti-theft strikers Integrated based on sash size for enhanced security and performance.
- Integrated micro-ventilation system Ensures air exchange without full sash opening – ideal for daily use.
- Handle misplacement locking mechanism Prevents incorrect operation and increases lifespan of hardware.
- Three types of gaskets: perimeter, glazing, and central Made from black or gray EPDM, including foamed EPDM center gasket for superior air/water tightness.
- Aluminum window handle & hardware groove filling For a refined, durable appearance and tighter insulation.
- Under-sill trim with sealing function Standard component that protects the base of the window.
- Wide selection of decorative PVC veneers Customize with woodgrain or solid finishes. Profile core colors: white, anthracite, or bronze.
IGLO Energy Classic
IGLO Energy Classic
Applications & Building Segments
IGLO Energy Classic is ideal for high-performance residential and commercial projects, including:
- Single-family homes in cold or hot climates
- Passive houses and near-zero-energy buildings
- High-end residential buildings and townhomes
- Renovation and window replacement with focus on energy savings
- Vacation homes and remote cabins
- Tiny homes and prefab units
- Modular construction
- Commercial spaces: offices, medical clinics, schools, retail storefronts
Why Choose IGLO Energy Classic?
- Ultra-efficient vinyl windows
- Outstanding thermal insulation thanks to triple glazing and foamed EPDM center seal
- Minimalist, square-line aesthetics with seamless corner welding
- Fully customizable in color, finish, hardware, and operation type
- Perfect for both traditional and modern architecture
If you’re searching for a high-performance window system with bold lines, innovative sealing, and best-in-class insulation — IGLO Energy Classic is your solution.
PVC Window Color Range
| Feature | Value |
|---|---|
| STC | 36 - 42 dB |
| EPDM Gaskets | 3 |
| U-factor | U-factor ≈ from 0.18 to 0.34 BTU/(hr·ft²·°F)* |
| Solar Heat Gain Coefficient | 0.03 – 0.29 |
| Glazing | Double & Triple |
| Number of Chambers | 7 |
| Installation Depth | 3-1/4” |
| Class | CW – PG70 & PG30 |
| Impact Rating | TAS 201/202/203 |
| Opening Direction | Inswing |
Glass Types
We deliver a wide selection of high-performance glass options for windows and doors — all designed to meet demanding energy efficiency and sound insulation standards.
The range includes laminated (safety and anti-burglary) glass, solar control glass, enhanced acoustic insulation glass, tempered, decorative, and sandblasted finishes.
Additional options
Balcony thresholds
Muntin bars
Reliable fittings
Renovation frames
Sandblasted glass
Spacers
Ventilation
Window sill PVC
Handles
Handles
Our PVC, aluminum and wood handles are distinguished by their high aesthetics, functionality and durability. Thanks to various color options, they can be perfectly matched to the color of the windows, doors, or the color scheme of the building.
