Windows and Doors

Lowe's Home Improvement Warehouse - Illustrated tutorials on repair and replacement including garage doors and screens.
http://www.lowes.com/lowes/lkn?action=howTo&p=HTindex/doors_windows_index.html&rn=RightNavFiles/rightNavDoorsWindows

Energy Efficient Windows - Benefits of energy-efficient windows, descriptions of how they work, and recommendations for their selection and use. Covers numerous glazing, frame, and operating types with detailed technical specifications and illustrations.
http://www.efficientwindows.org/

Hometime: Windows and Doors - Tutorial covering styles and options, general installation instructions, and specialty installation instructions for Tilt-Pac windows, roof windows, and garage doors. Photographs, cautionary notes, and a windows and doors glossary.
http://www.hometime.com/Howto/projects/window/win_4.htm

The Old House Web - How to fix balky doors, out-of-plumb doors, pocket doors and weatherstripping.
http://www.oldhouseweb.com/stories/How-To/Doors/

Historic Old North Knoxville - Restoration Tips - Illustrated guide for repairing historic double-hung windows.
http://www.oldnorthknoxville.org/archives/windowrepair.htm

Missouri Extension Office - Instructions for replacing a broken window.
http://muextension.missouri.edu/xplor/hesguide/housing/gh5977.htm

Extreme How To: Do it Yourself Window Replacement - Step by step illustrated tutorial; from measurement to removal through final trim.
http://www.extremehowto.com/xh/article.asp?article_id=60193

Vinyl Replacement Windows Buyer's Guide - Advice and tips includes features, options, purchasing and installation experience.
http://www.vinylreplacementwindows.org/

Window Repair - Advice on determining whether to repair or replace older windows. Description of common problems and repair options.
http://www.windowrepair.com/

Window Expert - Consumer guide on selecting materials and accessories.
http://www.windowexpert.net/