Find the Perfect Energy Efficient Doors to Save the Most Energy
Energy Efficient Doors: Maximizing Energy Savings and Comfort
- Anthony Arphan
- 24 min read
Save on Energy Bills with Energy Efficient Doors
Are you tired of the increasing energy bills? Upgrade your doors to energy efficient ones and start saving money today! Choosing the right doors can make a significant difference in your home’s energy consumption and create a more comfortable living environment. With a wide range of options available, you can find the perfect energy efficient doors to suit your needs.
Reduce Energy Loss and Increase Comfort
Energy efficient doors are designed to keep your home well-insulated, preventing energy loss and reducing heat transfer. By minimizing drafts and air leakage, these doors create a more comfortable indoor environment and help maintain a consistent temperature throughout the year. Whether it’s winter or summer, you will feel the benefits of energy savings and improved comfort.
Choose from a Variety of Styles and Materials
Our selection of energy efficient doors offers a variety of styles and materials to complement any home aesthetic. From classic to contemporary, you can find the perfect door that not only saves energy but also enhances the overall look of your home. Whether you prefer wood, fiberglass, or steel, our doors are built to withstand the elements while providing excellent insulation.
Increase Property Value
Investing in energy efficient doors not only saves you money in the long run but also increases the value of your property. Potential buyers are increasingly looking for energy efficient features when purchasing a home, and having energy efficient doors can be a key selling point. Don’t miss out on the opportunity to boost your property’s market value.
Upgrade to Energy Efficient Doors Today
Don’t let your hard-earned money slip away through inefficient doors. Upgrade to energy efficient doors and start saving on your energy bills. With their superior insulation properties, stylish designs, and increased property value, these doors are a win-win investment for any homeowner. Choose the right energy efficient doors today and enjoy maximum energy savings for years to come.
Why Energy Efficient Doors Matter
One of the main reasons why energy efficient doors matter is the significant impact they have on reducing energy bills. By minimizing heat loss during winter and heat gain during summer, these doors help to maintain a consistent temperature inside the home, resulting in lower energy usage and reduced costs.
Energy efficient doors also contribute to a greener and more sustainable environment. By reducing the need for excessive heating or cooling, they help to decrease the overall demand for fossil fuels and the carbon emissions associated with energy production. This means that choosing energy efficient doors is not only beneficial for your wallet, but also for the planet.
Moreover, energy efficient doors provide better insulation and noise reduction, creating a more comfortable and peaceful living environment. The advanced insulation properties of these doors prevent drafts, cold spots, and noise from entering the house, allowing you to enjoy a quieter and cozier home.
When selecting energy efficient doors, it’s important to consider their insulation value, also known as the U-factor. The lower the U-factor, the better the insulation properties of the door. Additionally, look for doors with weatherstripping and high-quality seals to further enhance their energy efficiency.
In conclusion, energy efficient doors are a smart investment for anyone looking to save energy, reduce costs, and create a more comfortable home environment. Their ability to minimize heat transfer, lower energy consumption, and contribute to a sustainable future make them a wise choice for any homeowner.
Reduced Energy Consumption
When you choose energy efficient doors for your home or office, you are making a smart investment towards reducing your energy consumption. Traditional doors allow for significant energy loss due to factors such as poor insulation and air leakage. However, energy efficient doors are designed to minimize these issues and provide maximum energy savings.
Here are some ways in which energy efficient doors contribute to reduced energy consumption:
- Improved Insulation: Energy efficient doors are equipped with advanced insulation materials that help to keep the heat inside during cold winters and prevent the cool air from escaping during hot summers. By creating a strong barrier between the interior and exterior environments, these doors reduce the need for excessive heating or cooling, resulting in lower energy bills.
- Reduced Air Leakage: Energy efficient doors are designed with tight seals and weatherstripping to eliminate drafts and air leakage. This prevents the conditioned air from escaping and the outdoor air from entering, thus reducing the load on your HVAC system and saving energy.
- Low-E Coating: Many energy efficient doors are coated with a Low-E (low emissivity) coating that helps to reflect the sun’s heat during summer months and retain warmth during colder months. This reduces the reliance on artificial heating and cooling, leading to reduced energy consumption.
- Energy Star Certification: Energy efficient doors that are Energy Star certified meet strict energy efficiency guidelines set by the government. By choosing these doors, you can be confident that they have undergone rigorous testing and will provide significant energy savings.
By investing in energy efficient doors, you can not only reduce your energy consumption and lower your utility bills, but also contribute to a greener and more sustainable future. Make the right choice and start saving energy today!
Factors to Consider When Choosing Energy Efficient Doors
When it comes to choosing energy efficient doors for your home or business, there are several factors that you should consider. By taking these factors into account, you can ensure that you choose the right doors that will provide maximum energy savings. Here are some key things to think about:
- Insulation: One of the most important factors to consider is the insulation properties of the door. Look for doors that have a high insulating value, commonly referred to as an R-value. Doors with a higher R-value will provide better insulation and help to keep unwanted heat or cold from passing through.
- Door Material: The material of the door can also play a significant role in its energy efficiency. Some common energy efficient door materials include fiberglass, steel, and wood. Fiberglass and steel doors tend to have better insulation properties and are less prone to warping or cracking compared to wood.
- Glass Features: If your energy efficient door includes glass panels, you should consider the type of glass and any additional features. Look for doors with double or triple-pane glass, low-emissivity (low-e) coatings, and gas fills. These features can help to improve the door’s energy efficiency by reducing heat transfer and blocking harmful UV rays.
- Weatherstripping: Another important factor to consider is the quality of the door’s weatherstripping. A well-sealed door with properly installed weatherstripping can prevent air leaks and drafts, which can greatly improve energy efficiency. Look for doors with durable and effective weatherstripping materials.
- Energy Star Certification: To ensure that you are choosing a truly energy efficient door, look for doors that are Energy Star certified. Energy Star is a program that identifies and promotes energy efficient products. Doors with the Energy Star label have been independently tested and meet strict energy efficiency criteria.
- Installation: Lastly, it is important to consider the installation of the energy efficient doors. Proper installation is crucial for maximizing their energy savings. Make sure to hire a professional installer who has experience and knowledge in installing energy efficient doors to ensure they are properly sealed and functioning as intended.
By carefully considering these factors, you can make an informed decision when choosing energy efficient doors for your property. Not only will you be able to reduce your energy consumption and save money on utility bills, but you will also contribute to a more sustainable and environmentally friendly future.
Material and Insulation
When choosing energy efficient doors, it’s important to consider the materials used in their construction and the level of insulation they provide. The material of the door plays a crucial role in its energy efficiency, as it determines the door’s ability to resist heat transfer.
One popular material for energy efficient doors is fiberglass. Fiberglass doors are highly durable and provide excellent insulation properties. They have a high R-value, which measures the resistance to heat flow. This means that fiberglass doors can effectively prevent heat from escaping your home during the colder months and keep it out during the hotter months, resulting in reduced energy consumption.
Another material commonly used for energy efficient doors is vinyl. Vinyl doors offer good thermal insulation and are resistant to warping, cracking, and peeling. They are also low-maintenance, making them a practical choice for homeowners looking to save both energy and time.
Wood doors are another option to consider. While they may not have the same level of thermal insulation as fiberglass or vinyl, they can still provide good energy efficiency when properly sealed and insulated. Wood has natural insulating properties and adds a touch of warmth and elegance to any home.
In addition to the material, the insulation used in the door is essential for energy efficiency. Look for doors that are equipped with foam or other insulating materials inside their core. These insulation materials act as barriers to heat transfer and improve the overall thermal performance of the door.
In conclusion, when selecting energy efficient doors, consider the material used, such as fiberglass, vinyl, or wood, as well as the level of insulation they provide. A well-insulated door made from a high-quality material can help maximize energy savings and improve the comfort and energy efficiency of your home.
Weatherstripping and Sealing
Aside from the quality and insulation capabilities of energy efficient doors, another crucial factor in achieving maximum energy savings is proper weatherstripping and sealing. Weatherstripping refers to the material used to seal gaps and prevent air leakage around the door frame, while sealing involves filling cracks and gaps in the surrounding area to enhance insulation.
By investing in high-quality weatherstripping and sealing solutions, you can greatly reduce the amount of drafts and cold air that enters your home, thus minimizing the need for excessive heating or cooling. This can lead to significant energy savings and lower utility bills in the long run. Additionally, an airtight seal can also help to improve indoor air quality by keeping out dust, pollen, and other pollutants from entering your home.
When selecting weatherstripping materials, it is important to choose options that are durable, flexible, and able to withstand various weather conditions. Common types of weatherstripping include adhesive-backed foam tape, V-strip, door sweeps, and weatherstripping tape. For sealing purposes, caulking and expanding foam can be used to fill gaps and cracks around the door frame and adjacent walls.
To ensure the effectiveness of weatherstripping and sealing, it is essential to properly install and maintain them. Regular inspection and replacement of worn-out weatherstripping and damaged seals are recommended to ensure optimal energy efficiency. Additionally, routine cleaning of the door frame and sealing surfaces can help prolong their lifespan and effectiveness.
With the combination of energy efficient doors and proper weatherstripping and sealing techniques, you can create a well-insulated and energy-saving environment for your home or business. Invest in the right solutions today and start enjoying the benefits of lower energy consumption and a more comfortable living space.
The Benefits of Energy Efficient Doors
Energy efficient doors provide numerous benefits that can contribute to significant cost savings and increased comfort in your home. By investing in these doors, you can enjoy the following advantages:
1. Lower Utility Bills: Energy efficient doors are designed to minimize heat transfer between the interior and exterior of your home. They have advanced insulation materials and construction techniques that prevent air leakage and reduce the need for heating and cooling. This can result in lower energy consumption and substantial savings on your utility bills.
2. Reduced Environmental Impact: Energy efficient doors help to lower your carbon footprint by decreasing the amount of energy required to maintain a comfortable indoor temperature. By using less energy, you are contributing to the preservation of natural resources and reducing greenhouse gas emissions.
3. Improved Comfort: With energy efficient doors, you can experience improved comfort in your home throughout the year. They provide better insulation, which helps to keep the indoor temperature stable and prevent drafts. This means you can enjoy a cozy and comfortable living environment, irrespective of the weather conditions outside.
4. Enhanced Noise Reduction: Energy efficient doors also offer excellent noise reduction benefits. Their insulation properties help to block external noise from entering your home, creating a peaceful and quiet indoor environment. This is especially beneficial if you live in a noisy neighborhood or near a busy street.
5. Increased Durability: Energy efficient doors are built with high-quality materials and construction methods that enhance their durability. They are designed to withstand the elements and require minimal maintenance, making them a long-lasting investment for your home.
6. Enhanced Security: Many energy efficient doors are equipped with advanced security features, such as multi-point locking systems and reinforced frames. These additional security measures can provide you with peace of mind and help to protect your home from intruders.
7. Higher Property Value: Installing energy efficient doors can increase the value of your property. Prospective buyers are often willing to pay more for homes with energy efficient features, as they understand the long-term savings and benefits associated with such upgrades.
By choosing energy efficient doors, you can enjoy these benefits and more, creating a more sustainable, comfortable, and cost-effective living space.
Lower Energy Bills
By choosing energy efficient doors, you can significantly reduce your monthly energy bills. These doors are designed to provide excellent insulation, preventing heat from escaping in the winter and keeping cool air inside during the summer. This means that your HVAC system doesn’t have to work as hard to maintain the desired temperature, resulting in lower energy consumption and ultimately, lower energy bills.
Energy efficient doors are built with advanced technology and high-quality materials. They feature insulation properties such as weatherstripping, thermal break frames, and multiple layers of glazing. These features not only enhance the energy efficiency of the doors but also improve their overall durability and performance.
In addition to saving you money on your energy bills, energy efficient doors also contribute to reducing your carbon footprint. By minimizing energy waste, you are helping to protect the environment and conserve valuable resources.
When shopping for energy efficient doors, consider looking for doors with a high energy star rating. The energy star rating is a measure of the door’s energy performance and can help you compare different options. Look for doors with low U-values, which indicate a high level of insulation. You can also check for doors with low solar heat gain coefficients (SHGC), which means less heat is transferred through the glass.
| Benefits of Energy Efficient Doors: |
|---|
| 1. Lower energy bills |
| 2. Improved insulation |
| 3. Enhanced durability |
| 4. Reduced carbon footprint |
Investing in energy efficient doors is a smart choice for both your wallet and the environment. Start saving money on your energy bills today by choosing the right energy efficient doors for your home or business.
Types of Energy Efficient Doors
When it comes to energy efficiency, not all doors are created equal. Energy efficient doors are specifically designed to minimize heat transfer, helping to keep your home comfortable and reduce your energy bills. Here are some types of energy efficient doors to consider:
| Door Type | Description |
|---|---|
| 1. Solid Core Doors | These doors are made with a solid core, typically a combination of wood and composite materials. They provide excellent insulation and can help reduce noise transfer as well. |
| 2. Fiberglass Doors | Fiberglass doors are known for their durability and energy efficiency. They are crafted with a foam core and a fiberglass exterior, providing high insulation value and preventing heat or cold from escaping or entering your home. |
| 3. Steel Doors with Polyurethane Core | Steel doors with a polyurethane core are not only strong and secure but also highly energy efficient. The polyurethane core acts as an insulating barrier, preventing heat loss or gain through the door. |
| 4. Insulated Glass Doors | Insulated glass doors are designed with multiple glass panes and a layer of low-emissivity coating. This construction helps to prevent heat transfer and maintain a consistent indoor temperature. |
| 5. Storm Doors | Storm doors provide an extra layer of insulation and protection against the elements. They are typically installed in front of an exterior door and can help reduce drafts and heat loss. |
Before making a choice, consider your specific needs and the climate in your area. Consulting with a professional can help you determine the best type of energy efficient door for your home.
Fiberglass Doors
Fiberglass doors are a popular choice among homeowners for their durability, energy efficiency, and aesthetic appeal. These doors are made of a composite material that consists of fiberglass strands embedded in a resin matrix, resulting in a strong and lightweight structure.
One of the main advantages of fiberglass doors is their energy efficiency. They offer excellent insulation properties, which help to reduce heat transfer and minimize energy loss. This means that fiberglass doors can effectively keep your home warm in the winter and cool in the summer, resulting in lower energy bills.
In addition to their energy-saving benefits, fiberglass doors are also resistant to various weather conditions. They are highly resistant to warping, rotting, and swelling, unlike traditional wood doors. This makes them an excellent choice for homes located in areas with extreme temperature fluctuations or high humidity levels.
Furthermore, fiberglass doors are available in a wide range of styles and designs, allowing you to choose the one that best complements your home’s architecture and decor. Whether you prefer a classic, modern, or rustic look, you can find a fiberglass door that suits your taste.
Another advantage of fiberglass doors is their low maintenance requirements. Unlike wood doors, which require regular painting or staining, fiberglass doors only need occasional cleaning with mild soap and water to keep them looking their best. They are also resistant to fading, scratching, and denting, ensuring that they will maintain their appearance for years to come.
When choosing fiberglass doors, make sure to consider their energy efficiency ratings. Look for doors that are ENERGY STAR certified, as they have been tested and proven to meet strict energy efficiency guidelines. Additionally, check for features such as weatherstripping and insulated cores, which further enhance the door’s energy-saving capabilities.
In conclusion, fiberglass doors are an excellent choice for homeowners who value energy efficiency, durability, and style. With their numerous benefits and attractive designs, they can significantly contribute to your home’s comfort and energy savings. Consider investing in fiberglass doors to enjoy all these advantages for years to come.
Wood Doors with Polyurethane Core
When it comes to energy efficiency and sustainability, wood doors with polyurethane core are an excellent choice. These doors combine the timeless beauty of wood with the insulation and energy-saving properties of polyurethane.
One of the key benefits of wood doors with polyurethane core is their remarkable thermal insulation. The polyurethane core acts as a barrier, preventing heat from escaping during colder seasons and keeping heat out during hotter seasons. This results in increased energy savings and a more comfortable indoor environment all year round.
Not only do wood doors with polyurethane core offer excellent insulation, but they are also durable and long-lasting. The polyurethane core provides strength and stability to the door, making it resistant to warping, cracking, and fading. This means that your investment will stand the test of time, and you won’t have to worry about replacing your doors frequently.
In addition to their energy-saving and durability benefits, wood doors with polyurethane core offer the aesthetic appeal of natural wood. The wood grain adds a touch of sophistication and warmth to any space, making these doors a beautiful addition to your home or office.
When choosing wood doors with polyurethane core, it’s important to select the right size and style to fit your needs. Whether you’re looking for a traditional or contemporary design, there are a variety of options available to suit your personal taste and match your existing decor.
Make the smart choice and invest in wood doors with polyurethane core for maximum energy savings and long-lasting beauty.
Contact us today to learn more about our selection of wood doors with polyurethane core and find the perfect doors for your space.
Installation and Maintenance Tips
Proper installation and maintenance of energy efficient doors are crucial for ensuring maximum energy savings. Here are some tips to help you with the installation and maintenance process:
Following these installation and maintenance tips will help you maximize the energy savings provided by your energy efficient doors. Remember to regularly check and maintain your doors to ensure their long-lasting performance and energy efficiency.
Proper Installation Techniques
When it comes to energy efficient doors, choosing the right ones is only part of the equation. Proper installation techniques are crucial to maximizing their energy-saving potential and ensuring their long-term performance.
Here are some key installation techniques to keep in mind:
1. Measure Twice, Cut Once: Accurate measurements are essential to ensure a proper fit. Take precise measurements of the door frame before making any cuts. Remember to account for any irregularities in the frame, such as sloping floors or uneven walls.
2. Seal the Gaps: Use weatherstripping or caulk to seal any gaps between the door and the frame. Pay extra attention to the top and sides of the door, as these areas are most prone to air leakage. Proper sealing will prevent drafts and heat loss, resulting in increased energy efficiency.
3. Use Insulation: To further enhance the energy efficiency of your door, consider adding insulation material to the door frame. This will provide an additional barrier against heat transfer and improve the overall insulation performance.
4. Secure the Hinges: Make sure the hinges are properly installed and tightened. Loose hinges can cause the door to sag, compromising its energy efficiency and reducing its lifespan. Use sturdy screws to secure the hinges in place.
5. Install a Threshold: A properly installed threshold helps to seal the bottom of the door and prevent air infiltration. Choose a threshold that is compatible with your door and install it according to the manufacturer’s instructions.
6. Test for Air Leakage: After installing the energy efficient door, perform a thorough inspection to ensure there are no air leaks. Use an incense stick or a smoke pencil to detect any drafts around the door. If you notice any leaks, take the necessary steps to seal them promptly.
7. Regular Maintenance: To maintain the energy-saving benefits of your door, perform regular maintenance tasks. Check the weatherstripping periodically and replace it if needed. Clean the door frame and hinges to prevent dirt buildup and ensure smooth operation.
By following these proper installation techniques, you can maximize the energy savings provided by your energy efficient doors. Remember that a well-installed door not only reduces energy consumption but also enhances the comfort and aesthetics of your home.
Regular Maintenance Schedule
Ensuring optimum performance and longevity of your energy-efficient doors requires regular maintenance. By following a consistent maintenance schedule, you can maximize the energy savings provided by your doors and keep them in top condition for years to come.
Here are some key maintenance tasks to include in your regular schedule:
1. Regular Cleaning: Clean your energy-efficient doors regularly to remove any dirt, dust, or debris that may accumulate. Use a mild, non-abrasive cleaner and a soft cloth or sponge to gently clean the doors. Avoid using harsh chemicals or abrasive materials, as they can damage the doors’ finish.
2. Lubrication: Apply a lubricant, such as silicone-based spray or oil, to the hinges, locks, and other moving parts of your energy-efficient doors. This will help to keep them operating smoothly and prevent any unnecessary friction or wear.
3. Weatherstripping Replacement: Check the weatherstripping around your doors regularly and replace any damaged or worn-out strips. Proper weatherstripping ensures a tight seal and prevents drafts, helping to maintain the energy efficiency of your doors.
4. Inspection of Seals and Caulking: Inspect the seals and caulking around your energy-efficient doors to ensure they are intact and in good condition. Replace any damaged or deteriorated seals and reapply caulking as necessary to maintain a tight seal, prevent air leakage, and maximize energy savings.
5. Hardware Check and Tightening: Regularly inspect the hardware of your energy-efficient doors, including handles, locks, and hinges, to ensure they are secure and functioning properly. Tighten any loose screws or bolts as needed to maintain the doors’ stability and security.
By following these maintenance tasks on a regular basis, you can enhance the energy efficiency of your doors and prolong their lifespan. Consult the manufacturer’s guidelines for specific maintenance recommendations for your energy-efficient doors.
Additional Energy Saving Strategies
In addition to installing energy efficient doors, there are several other strategies you can employ to maximize energy savings in your home or office:
1. Insulate Your Home
Adding insulation to your walls, attic, and basement can greatly reduce heat loss in the winter and heat gain in the summer. This will help your environment control system work more efficiently and save energy.
2. Use Energy Star Appliances
Appliances such as refrigerators, washing machines, and dishwashers that have an Energy Star rating consume less energy and are more efficient. When purchasing new appliances, look for the Energy Star label and choose the most energy-efficient model.
3. Install Programmable Thermostats
Programmable thermostats allow you to schedule temperature changes throughout the day, ensuring that your heating and cooling systems are not running unnecessarily. This can result in significant energy savings over time.
4. Seal Air Leaks
Air leaks around windows, doors, and ductwork can greatly contribute to energy loss. Use caulk or weatherstripping to seal any gaps or cracks and prevent air from escaping or entering your home or office.
5. Utilize Natural Light
Take advantage of natural light by opening curtains and blinds during the day. This will reduce the need for artificial lighting, saving energy while also providing a pleasant and welcoming environment.
6. Unplug Electronics
Many electronics continue to consume energy even when they are not in use. Unplug devices such as televisions, computers, and chargers when they are not being used to eliminate this “phantom” energy usage.
By incorporating these additional energy-saving strategies along with energy-efficient doors, you can significantly reduce your energy consumption, lower your utility bills, and contribute to a more sustainable future.
Window Treatments
When it comes to energy efficiency in your home, don’t forget about your windows. The right window treatments can help to maximize your energy savings by reducing heat gain in the summer and heat loss in the winter. Here are some options to consider:
- Curtains: Insulated curtains are a great choice for energy efficiency. They can help to keep your home cool in the summer by blocking out the sun’s heat, and they can also keep your home warm in the winter by providing an extra layer of insulation.
- Blinds: Blinds are another popular option for window treatments. They can be adjusted to let in or block out sunlight, depending on the season and your preferences. When closed, they provide privacy and help to keep heat out in the summer and retain heat in the winter.
- Shades: Window shades are an excellent choice for energy efficiency. They come in various styles, such as roller shades or cellular shades, and can help to insulate your windows. They create an air pocket between the window and the room, acting as a thermal barrier.
- Window Films: Window films are a great solution for those who don’t want to obstruct their views with curtains or blinds. They can block out harmful UV rays while still allowing natural light to enter your home. Some window films also have insulating properties, helping to reduce heat transfer.
- Shutters: Interior shutters are a stylish and energy-efficient option for window treatments. They can help to regulate the amount of sunlight coming into your home, reducing the need for artificial lighting during the day.
By choosing the right window treatments for your home, you can enhance the energy efficiency of your windows and maximize your energy savings. Consider the climate and your specific needs when selecting the best option for your windows.
Proper Door Maintenance
To ensure the optimal performance and longevity of your energy efficient doors, it is important to follow a regular maintenance routine. By implementing these simple steps, you can keep your doors in top condition and maximize the energy savings they provide.
1. Regular Cleaning:
- Use a mild detergent and warm water to clean the door surface.
- Avoid using abrasive cleaners or solvents that can damage the door finish.
- Gently scrub the door surface with a soft cloth or sponge.
- Rinse thoroughly with clean water and dry with a soft towel.
2. Lubrication:
- Apply a silicone-based lubricant to the hinges, handles, and locking mechanisms.
- Regularly check for any signs of wear or damage.
- Replace any worn or damaged components immediately to prevent further issues.
3. Weatherstripping Maintenance:
- Inspect the weatherstripping around the door regularly.
- Clean the weatherstripping with a mild detergent and warm water.
- Replace any worn or damaged weatherstripping to maintain a tight seal.
4. Check for Air Leaks:
- Periodically check for any air leaks around the door.
- Use a candle or incense stick to detect any drafts.
- If air leaks are found, apply weatherstripping or caulking to seal the gaps.
5. Door Alignment:
- Check the alignment of the door regularly.
- If the door is misaligned, adjust the hinges or seek professional assistance.
- A properly aligned door ensures a tight seal and prevents energy loss.
By following these maintenance tips, you can ensure that your energy efficient doors continue to provide maximum energy savings. Regular maintenance not only increases the lifespan of your doors but also helps maintain their energy efficiency over time. Remember, a well-maintained door is a key to a comfortable and energy-efficient home.