Learn what details and conditions to look for to see if an insert replacement window makes more sense than removing and replacing the entire original window.

These ten solutions will help you deal with impossible openings.

Solar screens, exterior blinds, shutters, and awnings

Comfort, historical character, and the presence of lead paint may matter as much as cost and energy efficiency.

Doing everything to ensure a leakproof job? If you don’t include the housewrap, use a sill pan, and flash the flanges, the work is far from watertight.

Measure, insulate, and caulk. Do it right, and cut your energy bill by 25%.

By far the weakest link in a Passive House, these imported windows must be installed perfectly.

Use peel-and-stick membrane to bridge the corner gap on new windows.

Redundant flashings and attention to detail keep out air and water.

When repairs are in order, a steam box, an easel, and two-part epoxy are your best friends.

With new weatherstripping, weights, pulleys, and ropes, you can improve performance without compromising historical authenticity.

The key to durable trim and a safer and faster job is to assemble the trim first and install it later.

The final result looks like custom window (or door) trim, but it's painless and affordable to make by combining stock profiles.

A simple frame and panel with applied moldings gives an ordinary window an extraordinary appearance.

The trick is to assemble the mitered casings with biscuits and glue, clamp them together, and install them as a complete unit.