This results in warmer walls in winter and cooler walls in summer, for greater comfort. Increased levels of insulation also provide more even temperatures throughout the house. Increased insulation reduces energy use. Increased insulation levels reduces energy use for heating and cooling. Lower energy use results in lower energy bills, making the home less expensive to operate and more attractive to the buyer.
Increased insulation reduces condensation on basement walls.
Moisture problems in a basement can often lead to mold and mildew build-up and make storage in the basement impractical. Increased insulation levels can reduce condensation, resulting in a drier basement and fewer moisture based problems. Increased insulation increases noise dampening. Increased levels of insulation help keep out unwanted noise from the outside. This produces quieter, higher quality homes.