EnergyQuest™ Sliding Patio Doors


The EnergyQuest™ system is designed to maximize energy efficiency and durability. Its specially engineered isolated frame reinforcement and innovative weather strip application reduce air infiltration while improving overall thermal performance. EnergyQuest is foam-fill capable and can meet DP-50 residential structural ratings.

A smaller frame cross section also allows for pleasing aesthetics with a larger glazing area – without loss of performance. Geared toward both new construction and replacement markets, EnergyQuest vinyl patio doors help OEMs meet and exceed ENERGY STAR® 6.0 criteria at a competitive price point.


  • Block frame profile is ideal for replacement applications
  • Dual-glazing system with Duralite® or Super Spacer® warm edge spacer system improves energy savings
  • Integral frame accessory channels accept extensive interior/exterior frame accessory options
  • Two-, three-, or four-panel configurations
  • Smaller frame cross-section maximizes glazing area without loss of performance
  • Sliding Patio Door
  • Two-, Three-, or Four-Panel Configurations