# What Are the Best Energy Efficient Sliding Doors?

- Link: https://mycoastalwindows.com/faq/what-are-the-best-energy-efficient-sliding-doors/
- Published: 2026-03-22T11:59:42-04:00
- Author: dev@searchoutsidethebox.com

The best [energy efficient sliding doors](https://mycoastalwindows.com/doors/) combine
ENERGY STAR certification, strong thermal performance, and quality installation.
Coastal Windows & Exteriors is a woman-owned exterior remodeling company serving
730+ towns across Massachusetts, New Hampshire and Maine with 7,000+ installations
completed since 2011, installing sliding patio doors with low U-values, insulated
frames, and certified energy performance ratings.

The best sliding glass doors for cold weather feature low U-values, insulated frames,
and certified energy performance ratings. Homeowners who choose energy efficient
sliding doors can reduce energy bills and improve indoor comfort.

## **What Homeowners Need to Know:**

 * **ENERGY STAR Certification:** ENERGY STAR certified doors reduce heating and
   cooling costs by an average of up to 13%. This certification is the most reliable
   indicator of energy efficient sliding doors.
 * **U-Value Matters:** Lower U-values indicate better insulating performance in
   cold weather sliding glass doors. Look for U-values that meet or exceed ENERGY
   STAR requirements for the demanding heating season.
 * **Frame Material:** Quality frame materials reduce thermal transfer that causes
   drafts and condensation around sliding door edges. Homeowners should prioritize
   frames rated specifically for cold weather performance over cosmetic appeal alone.
 * **Installation Quality:** Even the best sliding glass doors for cold weather 
   underperform with poor installation. Professional installation ensures proper
   sealing, alignment, and weatherproofing that protects energy performance for 
   decades.
 * **Cost Benchmark:** Sliding glass door installation averages $2,564 nationally
   as a starting reference point. Homes benefit most from investing in certified
   performance over lower-cost alternatives.
 * **Homeowner Priorities:** Energy efficiency is rated important or very important
   by 84% of homeowners choosing new doors. Noise reduction and security features
   follow closely for homeowners evaluating energy efficient sliding doors.

### Energy Efficient Sliding Door Comparison

| Feature | ENERGY STAR Certified | Standard Sliding Door | Best For | 
| Energy Savings | Up to 13% on heating and cooling | Minimal savings | Cold weather climates | 
| U-Value | Meets Northeast requirements | Varies widely | Energy-conscious homeowners | 
| Installation | Professional required | Professional required | All installations | 
| Long-Term Value | Strong ROI, lower bills | Higher ongoing energy costs | Energy-conscious homeowners | 
| Price | Avg. $2,564 installed | Varies | Budget-conscious buyers |

#### Choosing the Best Sliding Door for Your Home

 * **Best Overall:** ENERGY STAR certified energy efficient sliding doors professionally
   installed for maximum thermal performance and up to 13% energy savings.
 * **For Cold Weather Performance:** The best sliding glass doors for cold weather
   feature low U-values and insulated frames built to handle an extended heating
   season.
 * **Smartest Long-Term Investment:** Pair energy efficient sliding doors with quality
   window upgrades for a complete thermal envelope that reduces energy costs throughout
   your entire home.

[Request a free door estimate from Coastal Windows & Exteriors.](https://mycoastalwindows.com/promotions/)

[Browse our complete door FAQ guide from Coastal Windows & Exteriors.](https://mycoastalwindows.com/resources/faqs/doors/)

[Explore our Door Exterior Remodeling Home Improvement Help Center.](https://mycoastalwindows.com/free-homeowner-resources/doors/)

Still have questions about what are the best energy efficient sliding doors? See
the [areas we serve](https://mycoastalwindows.com/areas-we-serve/) and talk to your
local door contractor.

Last Updated: July 2026

Sources:

 * ENERGY STAR-certified windows, doors, and skylights can reduce heating and cooling
   costs by an average of up to 13% compared to non-certified products. [ENERGY STAR Products: Residential Windows, Doors & Skylights](https://www.energystar.gov/products/res_windows_doors_skylights),
   ENERGY STAR’s official product guidance on energy savings for certified windows,
   doors, and skylights. (Accessed April 2026)
 * The average cost of a sliding glass door installation is $2,564. [Angi Sliding Door Cost Guide](https://www.angi.com/articles/sliding-door-cost.htm),
   Angi’s cost breakdown for sliding door installation nationwide. (2026)
 * Survey data on homeowner priorities when choosing windows and doors, including
   energy efficiency, noise reduction, and security. [Fixr Windows and Doors Report](https://www.fixr.com/articles/windows-and-doors-report),
   Fixr’s industry report on homeowner preferences and trends in window and door
   selection. (2025)