The installation cost for energy efficient heaters such as the tank-less or on-demand heaters is a little higher. In case of an on-demand unit, the average cost will lie in between $3200-$4500. Tank-less heaters on the other hand begin from $2800 and end at $3800.
191 Followers. A. Shingles is contagious and can be spread from an affected person to babies, children, or adults who have not had chickenpox. But instead of developing shingles, these people develop chickenpox. Once they have had chickenpox, people cannot catch shingles (or contract the virus) from someone else.
Shingles is less contagious than chickenpox and the risk of a person with shingles spreading the virus is low if the rash is covered. If you have shingles. Keep the rash covered. Avoid touching or scratching the rash. Wash your hands often to prevent the spread of varicella zoster virus.