How to Restore and Repair Double Hung Windows

Dormer window at night

You can make old windows more energy efficient without replacing them. Learn how.

Worker installing a new front door

Improved materials and insulation help new doors stand up to weather and humidity - and keep heat where it belongs.

Performance label on a window

The style, type of material and what's between the panes can make a big difference in the energy efficiency of your new windows.

Bright sunset

If sunny windows are turning your living spaces into a sauna, reflective window film can bring back the comfort and cut your air conditioning bills.

Restoring and repairing double hung windows