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Are Sliding Patio Doors Energy Efficient?

It’s time to replace the door leading out to your patio – and you’re looking for something new. Rather than a garden door or a set of French doors, you’re considering installing a slider. But are they actually as good as people say, and do they conserve energy? Here’s what you should know about patio doors and their energy efficiency.

Energy Efficiency in Sliding Patio Doors

One of the reasons why sliding patio doors are so popular is because of their energy efficiency. They’re essentially an oversize window and combine all the standard features and potential add-ons of energy-efficient technology.

How energy efficient your patio slider is will depend on the model that you choose. They can be double or triple pane and have Low-E coatings for UV control. All doors should be compatible with weather stripping and additional thermal foam insulation inside the frame, rails, and stiles.

Even the most energy-efficient door won’t create the results you want if it’s not installed correctly. Hiring a professional installation expert to install your new sliding patio door will help ensure you get the most energy efficiency possible.

Doorway Inc’s Energy Efficient Sliding Patio Doors

Our standard sliding patio door model, the #550, has PVC panels on both sides of the door as well as a compact wood buck. This creates a solid structure, one that doesn’t let heat or cool air easily escape.

Like the #550, the Element sliding patio door features the wood buck frame. But its PVC panels are on the interior only – the exterior features aluminum panels. This makes this door option more energy efficient than the #550.

The next most energy-efficient sliding patio door is the Urbania. Made from an aluminum frame and aluminum panels, it’s a door that will create lower energy bills during winter.

For the highest energy-efficient rating in a sliding patio door, consider our Loft door. Its entire construction is made from aluminum, which has a high resistance to heat transfer. As a bonus, the Loft is also a lift and slide door, which makes it function exceptionally well.

Considering a Sliding Patio Door

Replacing your home’s exterior doors can offer you an opportunity to improve the appearance of your home – but you need to choose the right one first. Keep the following tips in mind when selecting your new sliding patio door:

  • Appearance – Consider colour and grid options when choosing a door that will complement the rest of your home.
  • Function – Some sliding doors slide easier than others, so choose one that makes moving between your two spaces effortless.
  • Privacy – Sliding doors maximize the glass surface area and the ratio of glass to frame, which is great if your backyard is private! If not, you’ll likely want to invest in an option with built-in blinds.

Purchasing a Sliding Patio Door

Ready to install a sliding patio door at your home? Our range of patio sliders will meet your specific needs. Let us help you choose the best one for your space! Contact us today for more details.


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Brick to brick width measurements
Brick to brick height measurements

For a more accurate quote, measure the brick-to-brick width and height from the exterior side of the door system. Please also attach interior and exterior photos of your current door system.