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About Us

We specialize in the supply and expert installation of high quality impact windows and doors.

If you’re looking to upgrade your home. Sanctuary Windows offers high quality impact windows and doors in a myriad of styles and options.

Where to Find Us

8214 Griffin Rd, Davie, FL 33328

116 N 61st Ave, Hollywood, FL 33024, United States


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Edit Content

About Us

We specialize in the supply and expert installation of high quality impact windows and doors.

If you’re looking to upgrade your home. Sanctuary Windows offers high quality impact windows and doors in a myriad of styles and options.

Where to Find Us

8214 Griffin Rd, Davie, FL 33328

116 N 61st Ave, Hollywood, FL 33024, United States


Follow Us

Energy Efficient Doors Guide: Everything You Need to Know

Energy Efficient Doors Guide: Everything You Need to Know

Table of Contents

In today’s world of sustainable living and energy conservation, choosing the right doors for your home can make a significant difference. Energy efficient doors not only enhance comfort but also help reduce energy bills and minimize environmental impact

Whether you’re renovating your home or building new, understanding the benefits and features of energy efficient doors is crucial. Let’s dive into everything you need to know about them.

Energy Efficient Doors

Understanding Energy Efficient Doors

Energy efficient doors are designed with advanced materials and construction techniques to minimize heat transfer between the interior and exterior of your home. Unlike traditional doors, they feature enhanced insulation properties that prevent air leakage and maintain consistent indoor temperatures throughout the year.

What Makes Doors Energy-Efficient?

What Makes Doors Energy-Efficient?

What makes doors energy-efficient primarily revolves around their construction and materials, designed to minimize heat transfer and maximize insulation. Here are the key factors that contribute to the energy efficiency of doors:

  1. Insulating Materials: Energy-efficient doors are typically made from materials that have high insulating properties. Common materials include fiberglass, wood, and insulated steel. These materials help reduce the flow of heat between the interior and exterior of the home, keeping indoor temperatures stable.
  2. Multiple Panes of Glass: Many energy-efficient doors feature double or triple-pane glass configurations. These panes are separated by gas fills (such as argon or krypton) and often have low-emissivity (low-E) coatings. This setup enhances thermal insulation by reducing heat transfer through the glass.
  3. Low-E Coatings: Low-emissivity coatings are thin, virtually invisible layers applied to the glass surface of energy-efficient doors. They reflect infrared light and help keep heat inside during winter and outside during summer, improving overall energy efficiency year-round.
  4. Effective Weatherstripping: Energy-efficient doors are equipped with advanced weatherstripping systems. These seals are installed around the door frame and threshold to prevent air leaks. Effective weatherstripping ensures that the door maintains a tight seal when closed, minimizing drafts and heat loss.
  5. Insulated Cores: In the case of steel doors, which are commonly used for their security and durability, energy-efficient models often feature insulated cores. These cores are filled with insulating materials that enhance the door’s thermal performance.
  6. Energy Star Certification: Doors that meet Energy Star certification standards have been independently tested and verified to meet strict energy efficiency guidelines set by the U.S. Environmental Protection Agency (EPA). Energy Star certified doors typically feature high-quality materials and construction that optimize energy performance.
Energy Star Certification

By integrating these features, energy-efficient doors help homeowners reduce energy consumption for heating and cooling, leading to lower utility bills and a more comfortable indoor environment throughout the year.

Benefits of Energy Efficient Doors

Investing in energy-efficient doors offers multiple advantages:

  • Lower Energy Bills: By reducing heat loss in winter and heat gain in summer, energy efficient doors can lead to substantial savings on your heating and cooling costs.
  • Enhanced Comfort: They help maintain a comfortable indoor environment by minimizing drafts and temperature fluctuations.
  • Increased property value: Homes with energy-efficient features are often more attractive to prospective buyers.
  • Environmental Impact: Using less energy for heating and cooling reduces greenhouse gas emissions, contributing to environmental sustainability.

Types Of Energy Efficient Doors

Types Of Energy Efficient Doors

There are different types of energy efficient doors, each offering unique benefits and suitable for various applications:

  1. Fiberglass Doors:
    • Benefits: Fiberglass doors are known for their durability, low maintenance requirements, and excellent insulation properties. They resist dents, warping, and rust, making them ideal for harsh climates.
    • Energy Efficiency: Fiberglass doors can be highly energy efficient due to their insulation capabilities and ability to withstand extreme temperatures without expanding or contracting, which can compromise seals.
  2. Wood Doors:
    • Benefits: Wood doors offer natural insulation and a classic, timeless aesthetic. They can be customized with various finishes and styles to match any home décor.
    • Energy Efficiency: While wood itself is a natural insulator, the energy efficiency of wood doors can vary. Insulated wood doors with proper weatherstripping and seals can provide effective thermal performance.
  3. Steel Doors:
    • Benefits: Steel doors are prized for their strength, security, and durability. They are also highly resistant to fire and weather damage.
    • Energy Efficiency: Energy-efficient steel doors typically feature insulated cores and may include thermal breaks to reduce heat transfer. They are often chosen for their combination of security and energy efficiency.

Can All Types of Door Materials Be Energy Efficient?

Not all types of door materials inherently offer high energy efficiency. The effectiveness of a door in conserving energy depends on its design, construction, and additional features like insulation and weatherstripping. Here’s a brief overview of how different materials can be optimized for energy efficiency:

  • Fiberglass: Fiberglass doors are naturally energy efficient due to their insulating properties and resistance to temperature fluctuations. They are often considered one of the most energy-efficient door materials.
  • Wood: Wood is a natural insulator, but the energy efficiency of wood doors depends on their construction and sealing. Well-made wood doors with insulated cores and proper weatherstripping can offer good energy efficiency.
  • Steel: Steel doors, especially those with insulated cores and thermal breaks, can be highly energy efficient. These features help minimize heat transfer and maintain indoor temperatures.
  • Other Materials (like aluminum or vinyl): Aluminum doors, without thermal breaks, can conduct heat and cold, making them less energy efficient unless specifically designed with insulation features. Vinyl doors can vary in energy efficiency depending on their construction and insulation.

How Much Can I Save with an Energy-Efficient Door?

Energy Bills

The savings from installing energy-efficient doors can vary depending on factors like your local climate, the condition of your existing doors, and your home’s overall insulation. On average, homeowners can save up to 15% on their energy bills by replacing old, inefficient doors with modern, energy-efficient models. This translates to significant savings over the lifetime of the door.

Energy Efficient Doors: What to Look For?

When shopping for energy-efficient doors, consider the following factors:

  • Material and Construction Quality: Choose doors made from high-quality materials that offer superior insulation and durability.
  • Energy Star Rating: Look for doors with high R-values for maximum energy efficiency. Doors that are ENERGY STAR certified meet strict energy efficiency criteria.
  • U-Factor: Measures the door’s insulation effectiveness; the lower the U-factor, the better.
  • Solar Heat Gain Coefficient (SHGC): Indicates how well the door blocks heat from sunlight. A lower SHGC is preferable in warmer climates.

Choosing the Right Energy-Efficient Doors for Your Home

Selecting the right energy-efficient door involves considering several factors:

  • Climate: In colder climates, insulation and weatherstripping are crucial, while in warmer areas, Low-E glass can help reduce cooling costs.
  • Home Style: Choose a door that complements your home’s architectural style.
  • Budget: While energy-efficient doors can be more expensive upfront, the long-term savings and added home value often justify the cost.
  • Installation: Professional installation ensures that the door fits correctly and performs optimally.

Installation Matters

Proper installation is critical for maximizing the energy-saving benefits of your doors. Poorly installed doors can develop air leaks, reducing their effectiveness in maintaining indoor comfort and energy efficiency. Ensure professional installation to guarantee all components function as intended.

Sanctuary offers expert impact windows and doors installation in South Florida, ensuring precise sealing and insulation around the door frame. This professional approach minimizes drafts, optimizes energy efficiency, and enhances overall home comfort.

Man installing a door

Maintenance Tips for Energy Efficient Doors

To maintain the performance and longevity of your energy efficient doors, follow these maintenance tips:

  • Regular Inspections: Check weatherstripping and seals annually and replace them if damaged or worn.
  • Repainting or Refinishing: Maintain the door’s protective finishes to prevent weather damage and maintain aesthetics.
  • Hardware Maintenance: Keep hinges, locks, and handles lubricated and adjusted for smooth operation.

Energy-Efficient Doors and Home Design

Energy-efficient doors can complement and enhance your home design. Available in a variety of styles, colors, and finishes, these doors can match your home’s aesthetic while providing functional benefits. From sleek modern designs to traditional looks, there’s an energy-efficient door to fit every style.

Can Existing Doors Be Made Energy Efficient?

Yes, existing doors can be upgraded to improve energy efficiency through various methods:

  • Weatherstripping Upgrades: Adding or replacing weatherstripping around the door frame.
  • Storm Doors: Installing storm doors for added insulation and protection.
  • Insulating Films: Applying insulating films to glass panels to reduce heat transfer.

While these upgrades can improve energy efficiency, replacing old doors with new, energy efficient models typically offers better long-term savings and comfort.

What’s The ROI On Replacing Doors With Energy-Efficient Models?

The return on investment (ROI) for replacing doors with energy-efficient models is typically high. Homeowners can expect to recoup 70-90% of the cost in increased home value. 

Additionally, the savings on energy bills provide ongoing financial benefits. Over time, the initial investment in energy-efficient doors pays off through reduced heating and cooling costs and improved comfort.

Why Choose Sanctuary for Energy Efficient Doors?

Sanctuary Windows and Doors specializes in providing high-impact, energy-efficient doors designed to withstand the harsh weather conditions in Florida. Our doors are engineered for maximum efficiency and durability, offering peace of mind along with energy savings. 

With expert installation and a commitment to quality, Sanctuary is your trusted partner for upgrading to energy-efficient doors.


What makes a door energy-efficient?
Energy-efficient doors are designed with materials and construction methods that minimize heat transfer, keeping your home warmer in winter and cooler in summer.

Can I install an energy efficient door myself?
While possible, professional installation is recommended to ensure the door is properly fitted and sealed for maximum efficiency.

Do energy efficient doors cost more than regular doors?
Initially, they might cost more, but the long-term savings on energy bills and the increased comfort and property value make them a worthwhile investment.

Are energy efficient doors environmentally friendly?
Yes, they reduce energy consumption, lowering your home’s carbon footprint and contributing to environmental conservation.

What styles of energy efficient doors are available?
There are various styles, including fiberglass, steel, wood, and composite doors, all available in different designs and finishes to suit your home’s decor.

How do energy efficient doors save money?

By minimizing air leakage and providing better insulation, these doors reduce the amount of energy needed to heat or cool your home, leading to lower energy bills.

Do energy efficient doors require special maintenance?
No special maintenance is needed, but regular cleaning, inspecting seals, and lubricating hinges are recommended to maintain their efficiency.

How much can I expect to save with energy efficient doors?
Savings vary, but homeowners can typically expect to save between 10% to 20% on their energy bills.


Investing in energy efficient doors is a smart decision for any homeowner. They offer significant cost savings, improve home comfort, and positively impact the environment. Sanctuary Windows and Doors provides a range of high-quality, energy-efficient doors crafted from premium materials, ensuring your home remains beautiful, comfortable, and efficient. Make the switch today and experience the benefits of energy-efficient doors.

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