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.
16,897 Helpful Votes. 49 Followers. A. Shingles is contagious, and although you've had shingles for a week, you've had the virus that causes it a lot longer. Shingles, also called zoster, is caused by the varicella-zoster virus. Usually, this virus enters our bodies in childhood, when it is the cause of chickenpox.6,897 Helpful Votes. 49 Followers. A. Shingles is contagious, and although you've had shingles for a week, you've had the virus that causes it a lot longer. Shingles, also called zoster, is caused by the varicella-zoster virus. Usually, this virus enters our bodies in childhood, when it is the cause of chickenpox.