The California Code of Regulations, Title 24: Building Energy Efficiency Standards, establishes performance criteria for the building envelope, lighting, mechanical systems, and fenestration products. For windows and doors, Title 24 specifically regulates:
Thermal Performance (U-Factor): Measures insulation against heat transfer. Lower values indicate superior efficiency.
Solar Heat Gain Coefficient (SHGC): Governs solar radiation admitted through glazing. Optimized values reduce cooling demand in hot zones while supporting heating in cooler regions.
Visible Transmittance (VT): Ensures balance between natural daylight and thermal control.
Air Infiltration: Controls leakage rates to maintain envelope integrity and reduce HVAC load.
Compliance is mandatory for new construction, additions, and major renovations across California’s 16 climate zones, each with tailored performance thresholds.
Multi-Chamber Profile Design: Enhances thermal insulation, delivering U-Factors as low as 0.25–0.30.
Low-E Insulated Glass Units: Optimized SHGC performance to meet diverse climate zone requirements.
Acoustic and Air-Seal Integrity: Dual benefits of Title 24 air infiltration compliance and noise reduction.
Advantage: PVC systems represent a cost-effective and highly efficient solution, ensuring seamless compliance with Title 24 while offering long-term energy savings.
Thermal Break Technology: Polyamide barriers within profiles significantly reduce conductive heat transfer.
Structural Strength with Slim Sightlines: Enables large-span glazing to maximize daylight without exceeding Title 24 U-Factor or SHGC limits.
Design Versatility: Widely favored in contemporary architecture, balancing aesthetics with compliance.
Advantage: Aluminum thermal break systems meet advanced energy performance benchmarks while maintaining modern architectural flexibility.
Insulated Core Configurations: Reduce U-Factor values for compliance with envelope energy standards.
Performance Glass Options: Fire-rated glazing coupled with energy-efficient Low-E layers.
Security and Durability: High structural integrity without compromising energy code adherence.
Advantage: Provides dual compliance—fire safety standards and Title 24 energy efficiency—offering superior protection and thermal performance.
Foam-Filled Panels and Thermal Barriers: Significantly limit conductive heat gain/loss.
Advanced Perimeter Seals: Reduce infiltration from non-conditioned garage spaces to living zones.
Advantage: Contributes directly to the overall building energy score under Title 24, ensuring envelope continuity.
Double-Glazed Low-E Glass: Ensures wrought iron entry systems meet thermal and SHGC targets.
Precision Weatherstripping: Minimizes air infiltration while preserving luxury aesthetics.
Advantage: Successfully integrates high-end design with measurable Title 24 compliance, satisfying both architectural and performance criteria.
Regulatory Assurance: All projects in California must meet Title 24—compliant products eliminate risk of rejection or redesign.
Operational Savings: Lower HVAC demand translates into substantial energy cost reduction for end users.
Sustainability Commitment: Supports California’s statewide carbon reduction goals.
Market Differentiation: NFRC-certified and Title 24-compliant products provide KDSBuilding with a competitive advantage in specification-driven markets.
Property Value Enhancement: Homes and commercial spaces with compliant fenestration command higher resale and leasing values.
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