How to Restore and Repair Double Hung Windows

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.

Dormer window at night

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

Restoring and repairing double hung windows