Q&A with Dr. John Straube about radiant floor heating, domestic hot water, and Legionnaire’s Disease.
Q: I am interested in combining the domestic hot water system in my houses with a hydronic floor system. I have heard stories about connecting the two systems causing Legionnaires’ disease. Is this for real?
A: Dr. John Straube, Ph.D., P. E., of Building Science Corp., fills us in: Yes, it is for real, but you can prevent it.
Legionnaires’ disease is actually a more common problem than you might think. The primary place to find legionella bacteria is in residential hot water systems – usually in your shower.
Q: Holy cow! How common is it?
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