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Thermal Performance Data for Windows & Doors at Any Size
Phius Window and Door Certification
Phius certified windows and doors offer practitioners product-specific, component-level thermal performance data for energy models with no estimates and no guesswork involved.
Phius certified windows and doors go beyond whole-product U-values at standard size and allow professionals to model products' thermal performance at the specific dimensions they need for their projects.
Phius Certified Window and Door Database
Phius certified windows and doors go beyond whole-product U-values at standard size and allow professionals to model products' thermal performance at the specific dimensions they need for their projects.
