When insulating an existing home you do have some options. On this 1950s ranch home, insulation was installed on the exterior, interior and attic. Find out what insulation was chosen to increase the efficiency of this home and why.
Do you have an area in your home that needs heating and cooling, but a traditional ducted system won't work. Check out the ductless mini-split system that can provide both heating and air conditioning to space that you couldn't get it to before.