10 Best Residential Skylights Manufacturers in Canada for 2026
Introduction
The Canadian climate, with its intense winters and strong solar exposure, demands robust and thermally efficient building envelope solutions. Specifying residential skylights that withstand these conditions, prevent thermal bridging, and deliver on aesthetic promises is a critical task for any project developer or architect. In 2026, the market offers a diverse range of residential skylights, but not all are created equal when it comes to long-term performance and moisture management. We’ve seen firsthand how a seemingly minor specification oversight can lead to costly water infiltration issues or persistent condensation, compromising structural integrity and indoor air quality. This guide cuts through the marketing to focus on the manufacturers that deliver verifiable performance and reliability in the unique Canadian context, helping you make safer, smarter decisions.
VELUX Canada – Premium Residential Skylights with Smart Technology
Architect’s Verdict
VELUX skylights are a solid choice for projects prioritizing smart home integration and readily available local support. The learning curve for their smart controls is minimal, which helps with installer adoption. Lead times are generally predictable for standard units, though custom sizes may extend. Installers appreciate the pre-fabricated flashing systems, which reduce on-site risk. Best suited for high-end residential and multi-family projects where remote operation and climate control are key selling points.
Company Overview and Market Position
**VELUX Canada is a dominant player in the Canadian residential skylights market, renowned globally for its innovative roof windows and skylight solutions.** With a strong distribution network across Canada, VELUX holds a significant market share, particularly in the smart home segment.
Product Range and Key Features
**The VELUX product range includes various types of residential skylights: manual, electric, and solar-powered venting units, alongside fixed models.** Key features often include their “No Leak” promise, pre-fabricated flashing systems, and high-performance glazing options designed for energy efficiency.
- 🛡️ “No Leak” installation warranty
- ⚡ Solar-powered venting options
- 📉 Energy-efficient glass coatings
- 🧩 Pre-fabricated flashing systems
- 🌧️ Integrated rain sensors
Sustainability and Energy Efficiency
**VELUX places a strong emphasis on sustainability, offering a range of Energy Star® qualified products designed to reduce heat loss and gain.** Their glazing options often incorporate low-emissivity (Low-E) coatings and argon gas fills to maximize thermal performance.
Smart Home Integration
**A standout feature for VELUX is their VELUX ACTIVE with Netatmo smart home system, allowing for automated control of skylights and blinds based on indoor climate data.** This integration addresses both comfort and energy efficiency, a significant draw for modern residential developments seeking advanced home automation.
Best For
**Projects prioritizing smart home automation, energy efficiency, and a comprehensive warranty support structure.** VELUX residential skylights are ideal for luxury homes and multi-family units where controlled daylighting and ventilation are critical.
Buyer Fit & Verification Checklist
**Buyer Fit:** Ideal for projects where a globally recognized brand with proven smart home capabilities and extensive local support is essential. Avoid if budget constraints override smart features.
**Verification Checklist:**
1. What are the tested U-factor and SHGC values for the specific model and glazing package in Canadian climate zones?
2. Can VELUX provide BIM objects or detailed CAD drawings for precise integration into project submittals?
3. What specific documentation is provided for Matter 2.0 integration and commissioning?
HIMOLON – Innovative Skylight Solutions
HIMOLON has emerged as a leader in thermally broken aluminum systems, essential for mitigating condensation risks in Canada’s harsh climate. Their focus on engineering precision, evident in projects with complex structural glazing, positions them uniquely for demanding architectural applications. This level of detail in their aluminum skylights reduces field modifications and ensures long-term performance.
Architect’s Verdict
HIMOLON excels where bespoke solutions and verifiable thermal performance are paramount. Their strength lies in custom fabrication and meticulous engineering, which can translate to longer lead times than off-the-shelf products. Installation complexity is moderate, requiring skilled glazing contractors familiar with detailed shop drawings. Best suited for high-performance custom homes, commercial-to-residential conversions, and institutional projects demanding rigorous compliance.
Company Overview and Market Position
**HIMOLON specializes in high-performance aluminum window and door systems, extending their expertise to innovative residential skylights designed for extreme climates.** While not a dedicated skylight manufacturer, their strength lies in integrated building envelope solutions and advanced thermal break technology, which is crucial for Canadian projects.
Product Range and Key Features
**HIMOLON offers custom-engineered skylight solutions, primarily focusing on thermally broken aluminum frames for superior condensation resistance and energy efficiency.** Their products are often specified for their ability to meet stringent performance requirements, including high Design Pressure (DP) ratings for wind loads.
- 🛡️ Advanced thermal break aluminum frames
- ⚡ Custom-engineered solutions for unique designs
- 📉 Exceptional condensation resistance
- 🧩 High Design Pressure (DP) ratings
- 🌧️ Multi-layered low-E glazing options
Sustainability and Energy Efficiency
**HIMOLON’s commitment to energy efficiency is demonstrated through their use of robust thermal breaks and high-performance glazing, minimizing heat transfer.** They provide Environmental Product Declarations (EPDs) upon request, assisting projects seeking LEED or similar green building certifications.
Smart Home Integration
**While HIMOLON does not offer proprietary smart home systems, their skylights can be engineered to integrate with third-party automation controls for venting and shading.** This provides flexibility for architects to specify preferred smart home platforms.
Best For
**Architects and developers requiring highly customized, thermally efficient residential skylights that integrate seamlessly into complex architectural designs.** Ideal for projects in challenging climates where structural integrity and condensation mitigation are top priorities.
Buyer Fit & Verification Checklist
**Buyer Fit:** Perfect for projects requiring bespoke design, superior thermal performance, and where a deep understanding of building science is critical. Less suitable for quick, budget-driven projects.
**Verification Checklist:**
1. Request detailed thermal modeling reports (e.g., THERM analysis) for specific skylight configurations to confirm U-factor and condensation resistance.
2. What is the operating force (N) for manually operable units, and what are the tested Water Penetration Resistance (Pa) and Design Pressure (DP) values?
3. Can BIM models for the exact skylight configuration be provided for integration into project schematics?
Skydome – Canadian Custom Residential Skylights Specialists
Architect’s Verdict
Skydome is a go-to for projects requiring truly custom residential dome skylights or specialized shapes. Their expertise in domes means they understand the unique structural and thermal challenges. Lead times are manageable for custom work, but early engagement is crucial for complex designs. Installers appreciate their tailored flashing solutions, reducing unexpected on-site issues. Best for unique architectural features and large-scale custom residences.
Company Overview and Market Position
**Skydome has been a Canadian leader in commercial and residential skylights for decades, with a strong reputation for custom fabrication and a focus on acrylic and glass units.** They are particularly known for their expertise in residential dome skylights and complex custom configurations.
Product Range and Key Features
**Skydome offers a wide range, from standard deck and curb-mounted glass skylights to custom dome and pyramid shapes.** Their key features include robust aluminum frames, advanced glazing options for UV protection and energy efficiency, and bespoke sizing capabilities.
- 🛡️ Extensive custom sizing and shaping
- ⚡ Durable aluminum frames
- 📉 Acrylic and glass options available
- 🧩 UV protection glazing
- 🌧️ Wide range of curb-mounted solutions
Sustainability and Energy Efficiency
**Skydome provides various energy-efficient glazing options, including insulated glass units (IGUs) with low-emissivity coatings and argon gas fills.** They emphasize product longevity and local manufacturing to reduce environmental impact.
Smart Home Integration
**Skydome primarily focuses on the physical skylight unit but can accommodate motorization for venting units, which can then be integrated by third-party smart home systems.** They work with architects to ensure compatibility with client-specified automation.
Best For
**Projects requiring unique shapes, large custom residential skylights, or specialized dome configurations where standard sizes won’t suffice.** Their local Canadian presence ensures tailored support.
Buyer Fit & Verification Checklist
**Buyer Fit:** Ideal for projects that need unique, custom-shaped skylights or specialized dome skylights, especially where Canadian manufacturing and tailored support are prioritized.
**Verification Checklist:**
1. What are the project-specific Design Pressure (DP) and Water Penetration Resistance (Pa) ratings for custom units, and how are these validated?
2. Can Skydome provide shop drawings with detailed section cuts for the proposed custom residential dome skylights?
3. What are the thermal performance metrics (U-factor) for their dome skylights, as these can vary significantly from flat glass units?
Fakro Canada – Versatile Residential Roof Skylights
Architect’s Verdict
Fakro offers a highly versatile range of residential roof skylights, especially strong in top-hung and pivot designs, providing excellent access and ventilation. Their focus on wood-frame options brings a different aesthetic but also requires careful consideration of moisture management in Canadian climates. Lead times are generally good for standard products, but unique sizes might require longer waits. Best for projects seeking versatile roof windows and integrated attic access solutions.
Company Overview and Market Position
**Fakro is a global manufacturer with a strong Canadian presence, recognized for its comprehensive range of roof windows and residential roof skylights.** They offer an alternative aesthetic with a focus on wood and PVC frames, catering to different design preferences and performance needs.
Product Range and Key Features
**Fakro’s product line includes pivot, top-hung, and conservation roof windows, alongside flat roof skylights.** Key features often include automatic ventilation systems, enhanced glazing options for noise reduction, and robust frame constructions.
- 🛡️ Wide range of venting options
- ⚡ Automatic air inlets
- 📉 Noise reduction glazing available
- 🧩 Wood and PVC frame options
- 🌧️ Integrated flashing systems
Sustainability and Energy Efficiency
**Fakro emphasizes responsible timber sourcing for their wood-framed residential skylights and offers high-performance insulated glazing units.** Their products are designed to contribute to daylighting and natural ventilation, reducing reliance on artificial lighting and air conditioning.
Smart Home Integration
**Fakro’s Z-Wave compatible smart home system allows for remote control of their electric skylights and accessories.** This offers similar smart control capabilities to other leading brands, ensuring comfort and energy management.
Best For
**Projects seeking European-designed residential roof skylights with a focus on ventilation and unique operating mechanisms like top-hung or pivot functions.** Ideal for projects where a wood interior finish is desired.
Buyer Fit & Verification Checklist
**Buyer Fit:** Suitable for projects valuing versatile ventilation options and a blend of traditional (wood) and modern (PVC) frame materials. Ensure timber frames are adequately protected in high-humidity areas.
**Verification Checklist:**
1. Verify tested U-factor values for their specific glazing and frame combinations in Canadian climate conditions.
2. What are the recommended installation details for their wood-framed residential skylights to prevent condensation in Canadian winters?
3. Can detailed EPDs or lifecycle assessments be provided for their various frame materials?
SIG Skylights – Architectural Grade Solutions
Architect’s Verdict
SIG Skylights stands out for architectural-grade solutions, particularly for complex and large-scale residential projects demanding precision and aesthetic integration. Their focus on structural integrity and bespoke design means longer design and fabrication lead times, but results in highly tailored solutions. Installer skill must be high, given the custom nature. Best for luxury residential, institutional, and high-performance commercial-to-residential conversions.
Company Overview and Market Position
**SIG Skylights (formerly Skywall) offers architectural-grade skylight systems for both commercial and high-end residential applications in Canada.** They are known for their robust engineering and ability to tackle complex, large-span glazing projects.
Product Range and Key Features
**Their product line includes monumental skylights, custom residential skylights, and pre-engineered unit skylights.** Key features include advanced structural design, high-performance glazing, and robust waterproofing systems critical for extreme weather.
- 🛡️ Custom architectural designs
- ⚡ High structural integrity
- 📉 Advanced glazing for thermal performance
- 🧩 Robust waterproofing solutions
- 🌧️ Large span capabilities
Sustainability and Energy Efficiency
**SIG Skylights provides options for high-performance low-E glass and insulated aluminum framing, contributing to overall building energy efficiency.** They focus on durability and longevity, reducing the need for premature replacement.
Smart Home Integration
**Similar to HIMOLON, SIG Skylights focuses on the structural and thermal performance of the unit, designing for seamless integration with third-party automation systems for venting and shading.**
Best For
**Luxury residential projects requiring custom-designed, large-format skylights with specific aesthetic and performance criteria.** Their expertise is invaluable for challenging architectural visions.
Buyer Fit & Verification Checklist
**Buyer Fit:** Ideal for projects with unique design challenges and large-scale glazing needs where standard products are inadequate. Budget and lead time should accommodate custom engineering.
**Verification Checklist:**
1. Request detailed structural calculations and engineering stamps for custom designs.
2. What is the process for reviewing shop drawings and coordinating with the structural engineer on site?
3. Can specific wind-load calculations (e.g., Design Pressure for 1-in-50 year gust) for the project location be provided?
Columbia Skylights – West Coast Excellence
Architect’s Verdict
Columbia Skylights, with its strong West Coast roots, offers dependable residential skylights engineered for diverse Canadian climates. Their focus on PVC frames provides excellent moisture resistance, a clear advantage in damp regions. Lead times are generally reliable for standard sizes. Installers often find their systems straightforward due to clear instructions and modular components. Best for mid-range to high-end residential, particularly in regions prone to high humidity and precipitation.
Company Overview and Market Position
**Columbia Skylights, a Canadian manufacturer based in British Columbia, has built a solid reputation for producing high-quality residential skylights suitable for the diverse Canadian climate.** They are known for their durability and a wide range of standard and custom options.
Product Range and Key Features
**Columbia offers deck-mounted, curb-mounted, and self-flashing skylights, with options for fixed, manual, and electric venting.** Key features include heavy-duty aluminum or PVC frames, a variety of glazing options including polycarbonate and impact-resistant glass, and integrated flashing kits.
- 🛡️ Heavy-duty aluminum and PVC frames
- ⚡ Polycarbonate and glass glazing options
- 📉 Integrated flashing kits
- 🧩 Impact-resistant glass available
- 🌧️ Wide range of venting choices
Sustainability and Energy Efficiency
**Columbia Skylights provides Energy Star® qualified units, using high-performance insulated glass and thermally broken frames to maximize energy efficiency.** Their PVC frames offer excellent thermal performance and corrosion resistance.
Smart Home Integration
**Electric venting models from Columbia can be integrated with third-party smart home systems, allowing for automated control and improved indoor climate management.**
Best For
**Projects seeking durable, energy-efficient residential skylights from a Canadian manufacturer with a strong focus on products suitable for varied climates, especially those with high moisture content.**
Buyer Fit & Verification Checklist
**Buyer Fit:** Excellent for projects requiring robust, reliable skylights with good thermal performance and local Canadian manufacturing support. Suitable for both new construction and renovation.
**Verification Checklist:**
1. Request the specific U-factor and SHGC values for the selected Columbia residential skylights, validated for the project’s Canadian climate zone.
2. What are the recommended maintenance schedules for their PVC frame components in cold weather?
3. Can BIM families for their standard models be provided for integration into project modeling?
Wasco Skylights – Commercial and Residential Expertise
Architect’s Verdict
Wasco brings extensive commercial expertise to their residential line, ensuring robust construction and dependable performance. Their ability to handle both standard and custom residential skylights makes them versatile. Lead times are generally reliable for their established product lines. Installers find their systems well-engineered, reducing common installation pitfalls. Best for projects needing a blend of commercial-grade durability with residential aesthetics, particularly multi-family dwellings.
Company Overview and Market Position
**Wasco Skylights, while based in the U.S., has a significant presence in the Canadian market through its distribution network, offering both commercial and residential skylight solutions.** They are known for their broad product line and engineering capabilities.
Product Range and Key Features
**Wasco offers a comprehensive range of residential skylights including curb-mounted, deck-mounted, and self-flashing units, with options for fixed and venting.** Key features often include impact-resistant glazing, robust aluminum frames, and hurricane-rated options suitable for high-wind areas.
- 🛡️ Wide range of frame materials
- ⚡ Impact-resistant glazing options
- 📉 Hurricane-rated models available
- 🧩 Variety of venting and fixed options
- 🌧️ Robust aluminum construction
Sustainability and Energy Efficiency
**Wasco emphasizes energy efficiency with Energy Star® qualified models, offering high-performance glazing and thermal breaks to meet stringent building codes.**
Smart Home Integration
**Similar to many manufacturers, Wasco’s electric venting skylights can be controlled via third-party smart home systems, offering automated ventilation and shading.**
Best For
**Residential projects seeking a manufacturer with extensive experience in larger-scale commercial applications, ensuring robust engineering and a wide range of customizable options.**
Buyer Fit & Verification Checklist
**Buyer Fit:** Good for projects that need robust, well-engineered skylights, especially where commercial-grade durability is desired for residential applications.
**Verification Checklist:**
1. Confirm specific U-factor and SHGC values for Wasco residential skylights in relation to Canadian energy codes.
2. What is the wind uplift rating (Design Pressure) for their curb-mounted units in high-wind exposure categories?
3. Can Wasco provide long-term performance data for their seals and gaskets in extreme temperature cycling?
Major Industries – Residential Dome Skylights Specialists
Architect’s Verdict
Major Industries is particularly strong in translucent panel systems and large-format residential dome skylights, offering unique daylighting solutions without direct views. This can be beneficial for privacy or glare reduction. Their lead times vary depending on the complexity of the custom configuration. Installation requires specialized knowledge of panel systems. Best for unique aesthetic requirements, glare reduction, or projects where diffused light is preferred over clear views.
Company Overview and Market Position
**Major Industries, Inc. (with Canadian distribution) specializes in translucent panel skylights and wall systems, including residential dome skylights, offering diffused daylighting solutions.** They stand out for their ability to deliver large, custom daylighting features.
Product Range and Key Features
**Their core offering includes translucent panel skylights, which provide diffused, glare-free light.** They also provide large-format glass and residential dome skylights with a strong emphasis on structural integrity and custom design.
- 🛡️ Translucent panel technology for diffused light
- ⚡ Custom-engineered structural systems
- 📉 Glare reduction properties
- 🧩 High impact resistance
- 🌧️ Advanced thermal performance for panels
Sustainability and Energy Efficiency
**Major Industries’ translucent panels offer excellent thermal performance and UV protection, contributing to energy savings by reducing heat gain and loss.** They promote natural daylighting to minimize artificial lighting needs.
Smart Home Integration
**Their systems typically focus on passive performance, but motorization for venting sections can be integrated with third-party systems.**
Best For
**Residential projects that prioritize diffused, glare-free daylighting and require large-span or unique residential dome skylights where privacy or specific light quality is paramount.**
Buyer Fit & Verification Checklist
**Buyer Fit:** Ideal for architects seeking unique daylighting effects, glare reduction, and large, custom translucent or dome skylight solutions. Not for those seeking clear views.
**Verification Checklist:**
1. Request light transmission and diffusion data for their translucent panel systems.
2. What are the U-factor and SHGC for their translucent panel configurations?
3. Can Major Industries provide case studies of residential dome skylights in cold Canadian climates, specifically addressing thermal performance and condensation?
Sun-Tek Manufacturing – Canadian Climate Solutions
Architect’s Verdict
Sun-Tek offers practical and cost-effective residential skylights, making them a strong contender for projects where value and reliable performance are key. Their broad distribution network simplifies procurement. Lead times for standard units are generally short. Installation is straightforward for most contractors, reducing on-site complexities. Best for specifiers seeking reliable, budget-friendly options for standard residential applications without compromising on essential performance.
Company Overview and Market Position
**Sun-Tek Manufacturing (with Canadian distribution) provides a range of residential skylights known for their durability and value.** They offer solutions that are well-suited for various residential applications, balancing performance with affordability.
Product Range and Key Features
**Sun-Tek offers standard curb-mounted and deck-mounted skylights, including fixed and manual venting options.** Key features include sturdy aluminum frames, a selection of impact-resistant and energy-efficient glazing, and reliable waterproofing.
- 🛡️ Durable aluminum frames
- ⚡ Energy-efficient glazing options
- 📉 Impact-resistant acrylic domes
- 🧩 Reliable waterproofing seals
- 🌧️ Range of standard sizes
Sustainability and Energy Efficiency
**Sun-Tek provides Energy Star® qualified residential skylights, incorporating low-E glass and insulated curbs to enhance thermal performance and reduce energy consumption.**
Smart Home Integration
**Manual venting skylights are their primary offering, with limited smart home integration capabilities beyond simple motorization add-ons that would need third-party integration.**
Best For
**Builders and developers seeking reliable, cost-effective residential skylights for standard applications where proven performance in Canadian climates is required without extensive custom features.**
Buyer Fit & Verification Checklist
**Buyer Fit:** Good for projects where value, durability, and standard sizing are priorities. Not the best for highly customized or smart-home integrated designs.
**Verification Checklist:**
1. Request performance data (U-factor, SHGC) for their specific residential skylights relevant to Canadian climate zones.
2. What is the material composition and expected lifespan of the seals and gaskets used in their curb-mounted units?
3. Can Sun-Tek provide clear installation guides for flashing details specific to different roofing materials?
Innotech Windows + Doors – Integrated Skylight Systems
Architect’s Verdict
Innotech, typically known for high-performance windows and doors, extends its thermal break expertise to integrated skylight systems. Their strength lies in systems designed for extreme energy efficiency, demanding a premium and potentially longer lead times for custom projects. Installation is complex, requiring skilled trades familiar with high-performance European systems. Best for Passive House or net-zero projects where the entire building envelope must meet rigorous thermal standards.
Company Overview and Market Position
**Innotech Windows + Doors, a Canadian manufacturer, is renowned for its high-performance windows and doors, extending this expertise to integrated skylight systems for projects demanding extreme energy efficiency.** They cater to the high-performance building market, including Passive House standards.
Product Range and Key Features
**Innotech offers thermally broken skylight systems designed to integrate seamlessly with their window and door lines, emphasizing air-tightness and superior thermal performance.** Features include multi-chamber PVC or fiberglass frames, advanced low-E glazing, and robust sealing technologies.
- 🛡️ Superior thermal break technology
- ⚡ Extreme air-tightness ratings
- 📉 Multi-chamber PVC or fiberglass frames
- 🧩 Advanced low-E glazing packages
- 🌧️ Passive House certified options
Sustainability and Energy Efficiency
**Innotech’s primary focus is on achieving exceptional energy efficiency and meeting stringent building performance standards like Passive House.** Their systems are designed to drastically reduce energy consumption for heating and cooling.
Smart Home Integration
**While the skylight units themselves are performance-driven, they can be configured with motorization for venting, allowing for integration into various smart home ecosystems.**
Best For
**High-performance building projects, such as Passive House or Net-Zero homes, where the entire building envelope, including residential skylights, must achieve unparalleled thermal performance and air-tightness.**
Buyer Fit & Verification Checklist
**Buyer Fit:** Essential for Passive House or net-zero energy projects where every component of the building envelope is rigorously specified for thermal performance and air-tightness.
**Verification Checklist:**
1. Request WUFI or THERM modeling data for their integrated skylight systems.
2. What are the specific air leakage rates (e.g., in m³/h·m at 75 Pa) for their skylight units?
3. Can Innotech provide detailed cross-section drawings illustrating the thermal break design and sealing layers?
Conclusion
Navigating the Canadian market for residential skylights requires a pragmatic approach, focusing on verifiable performance over marketing claims. Each manufacturer highlighted offers distinct advantages, from VELUX’s smart technology to HIMOLON’s bespoke thermal break solutions and Skydome’s custom dome expertise. The critical takeaway is that successful skylight integration hinges on meticulous specification, ensuring products can genuinely withstand Canadian weather extremes while preventing issues like condensation and structural compromise. Before making a final decision, delve into detailed performance data and insist on shop drawings that illustrate critical installation details. This diligence minimizes costly rework and ensures the long-term integrity of your building envelope. For a deeper discussion on project-specific requirements, feel free to contact us.
FAQ
How do I choose the right residential skylight for my Canadian project?
Choosing the right residential skylight in Canada depends on several factors: climate zone (for thermal performance), desired aesthetic (fixed, venting, dome), budget, and smart home integration needs. Prioritize manufacturers that provide verifiable U-factor and SHGC data, and ensure their flashing systems are designed for Canadian snow loads and freeze-thaw cycles.
What is a thermal break, and why is it important for skylights in Canada?
A thermal break is a material of low thermal conductivity placed in a metal frame to reduce heat flow. For residential skylights in Canada, it’s crucial to prevent thermal bridging, which can lead to significant heat loss and interior condensation. Without an effective thermal break, cold exterior surfaces can transfer to interior surfaces, causing moisture buildup.
Can residential skylights be integrated with smart home systems?
Yes, many modern residential skylights, particularly venting models, can be integrated with smart home systems like VELUX ACTIVE, or via third-party motorization with platforms like Matter 2.0. This allows for automated opening/closing, rain sensing, and control of blinds, optimizing ventilation and daylighting.
What are the common risks associated with improper skylight installation in Canada?
Improper residential skylight installation in Canada commonly leads to water infiltration, which can cause structural damage and mold. Other risks include condensation due to poor thermal performance, air leakage leading to energy loss, and inadequate flashing causing ice damming and roof damage.
How do I ensure a skylight meets Canadian building codes and energy efficiency standards?
To ensure compliance, always request performance documentation such as U-factor, Solar Heat Gain Coefficient (SHGC), and Design Pressure (DP) ratings. Look for Energy Star® qualified products and verify they meet or exceed the specific requirements
