Many homeowners like to watch birds feed at close range and install feeders at or near windows.
A homeowner familiar with electrical work can install such devices himself.
He also supported legislation that would provide tax credit to help homeowners install small wind systems and geothermal heat pump systems in their homes.
Many homeowners have installed metal roofs, moved woodpiles and taken other steps.
Alternatively, the homeowner can install a filter system designed to remove pollutants.
Terrified of violent robbery, wealthy homeowners are installing increasingly hi-tech security features.
Finally, he said, homeowners with fireplaces should install glass doors to separate the hearth from the room it is in.
A homeowner can install an underground system for $300 to $600, depending on the size of the system and the area to be covered.
And more homeowners are now installing automatic sprinkler systems.
You can get the same effect today by taking out a portable stereo, but more homeowners are permanently installing speakers outdoors.