ENERGY STAR Most Efficient 2023 — Sliding Glass (Patio) Doors

Most Efficient 2023

The ENERGY STAR Most Efficient 2023 designation recognizes the most efficient products among those that qualify for the ENERGY STAR program. These sliding glass (patio) doors represent the leading edge in energy efficient products this year. Access the full ENERGY STAR Most Efficient certified products list in Excel (EXCEL, 65 KB). Illustrations of all ENERGY STAR window types. Most Efficient recognizes a subset (PDF, 701KB).

Notes on Abbreviations:
CPD National Fenestration Rating Council
Certified Products Directory (link is external)
SHGC Solar Heat Gain Coefficient
PG Performance Grade

ENERGY STAR Climate Zones (PDF, 2.7 MB)
N Northern Zone
NC North-Central Zone
SC South-Central Zone
S Southern Zone

Associated Materials, Inc.
Product Line CPD Number U-Factor SHGC Frame Type PG Climate Zones
6400-6500 Series - 3" All ASO-A-70 0.16-0.20 0.07-0.31 Vinyl 25 N, NC, SC, S
6400-6500 Series - 5" All ASO-A-69 0.15-0.20 0.05-0.30 Vinyl 35 N, NC, SC, S
6400-6500 Series - French All ASO-A-67 0.16-0.20 0.06-0.31 Vinyl 45 N, NC, SC, S

Gilkey Window Company
Product Line CPD Number U-Factor SHGC Frame Type PG Climate Zones
S-7500 SGD GWD-M-29 0.18-0.20 0.18-0.24 Vinyl 60 N, NC, SC, S
5000 SGD GWD-M-35 0.17-0.20 0.15-0.22 Fiberglass 25 N, NC, SC, S

Great Lakes Window
Product Line CPD Number U-Factor SHGC Frame Type PG Climate Zones
ComfortSmart/ecoSmart GLW-M-103 0.16-0.20 0.11-0.24 Vinyl 45 N, NC, SC, S

Kolbe & Kolbe Millwork Co., Inc.
Product Line CPD Number U-Factor SHGC Frame Type PG Climate Zones
Forgent Sliding Patio KKM-K-250 0.18-0.19 0.14-0.40 Vinyl 40 N, NC, SC, S
Ultra / VistaLuxe / Forgent Complementary 2-1/4" Gardenaire Sliding Door KKM-N-256 0.20 0.15-0.42 Wood and Clad Wood 35 N, NC, SC, S

Marvin Windows and Doors
Product Line CPD Number U-Factor SHGC Frame Type PG Climate Zones
Modern MultiSlide Door MAR-N-445 0.18-0.20 0.15-0.43 Other 35 N, NC, SC, S

Pella Corporation
Product Line CPD Number U-Factor SHGC Frame Type PG Climate Zones
Pell 350 Series Triple-Pane Sliding Patio Door with Advanced Low-E IG PEL-N-161 0.19-0.20 0.21-0.23 Vinyl 50 N, NC

Ply Gem Windows
Product Line CPD Number U-Factor SHGC Frame Type PG Climate Zones
1500 Vinyl Collection PWG-M-60 0.20-0.20 0.15-0.24 Vinyl 50 N, NC, SC, S
East Premium/Premium EP Replacement PWG-M-45 0.16-0.20 0.11-0.24 Vinyl 45 N, NC, SC, S
West Pro Series 960 PWG-M-144 0.19-0.20 0.10-0.23 Vinyl 40 N, NC, SC, S

Thermo-Tech Windows and Doors
Product Line CPD Number U-Factor SHGC Frame Type PG Climate Zones
Thermo-Tech French Door TTW-A-26 0.18-0.20 0.13-0.44 Vinyl 20 N, NC, SC, S
Thermo-Tech Slim Door TTW-A-27 0.17-0.20 0.15-0.50 Vinyl 25 N, NC, SC, S

Winchester Industries
Product Line CPD Number U-Factor SHGC Frame Type PG Climate Zones
Bristol SL 260 Patio Door WCI-K-3 0.16-0.20 0.16-0.24 Vinyl 35 N, NC, SC, S