Want to discuss something that doesn't fit in the other areas? This is the place.
I was enquiring about free energy-saving products, often called Energy Conservation or Efficiency Kits.
You should plug and caulk holes or penetrations for faucets, pipes, electric outlets, and wiring. Look for cracks and holes in the mortar, foundation, and siding, and look for leaks around windows and doors. Seal them with the appropriate material.