Insulating a large areas of glass can pose a challenge. If you want to keep out the summer sun and keep your energy bills down, consider making a DIY insulation panel for relatively cheap energy ...

The U.S. Department of Energy reports that 30 percent of a home's heat is lost through windows. The summer is no better; 76 percent of sunlight that hits windows leads to higher temps in your rooms.

Despite having insulated doors with windows, the garage was unbearable in summer and required constant gas heating in winter to maintain 50–55°F. Since the garage is attached to the house, both ...