4100 x 4127 px | 34,7 x 34,9 cm | 13,7 x 13,8 inches | 300dpi
Date de la prise de vue:
11 juin 2011
Informations supplémentaires:
Installing energy efficient windows; A rated windows; double glazed windows; energy performance ratings; energy windows; thermally efficient windows; replacing old windows; replacement windows; replacement energy efficient windows; new windows; new energy efficient windows; PVC-U casement windows; conserving heat; reducing heat loss; reducing heat loss in buildings; highly efficient windows; energy code requirements; building code requirements for windows; energy performance; energy cost savings; energy-efficient windows can help minimize your heating, cooling, and lighting costs; green building techniques; making houses warmer; making houses greener; greener buildings; greener houses; low carbon houses; low carbon building;; eco-friendly; ecologically-sound; ecologically sound; environmentally-friendly; environmentally-sound; enviromentally sound; sustainable; sustainability; self-sustaining; eco-houses; eco-housing; self-sufficient; energy self-sufficiency;; energy efficiency;
