More than 40 years after its discovery, it shocks me to say that the number of reported cases of Legionnaires’ Disease in the United States has been rising since 2003. 

Holt Supply, a plumbing and HVAC wholesale distributor, was founded in 1972 by John R. Holt and was originally named PHC Supply Co. 

In March 1864, Capt. Alexander A. Knapp was honorably discharged from the Union Army due to injuries sustained at the Battle of Chickamauga. 

The demand for copper in clean energy projects increases as the amount of copper produced decreases. An alternate piping source is needed: plastic. Greg Swafford explains the copper deficit and walks us through the main considerations when switching piping materials.

One of the most common plumbing system issues I’m brought into near punch list time or shortly after occupancy is inadequate water temperature at a fixture or in a general area. 

In-wall water closets include concealed tanks inside the wall, resulting in a clean aesthetic for office, hospitality and other commercial restrooms. Plumbing engineers and designers are responsible for configuring the proper venting and waste removal for these buildings using a variety of fittings and innovative installation techniques.

The second part of this series discusses ventilation options, zoning with thermally activated building systems and high-mass radiant floor cooling, the relationship of heat transfer to radiant cooling, and thermal storage with geothermal heat pumps.

Backflow prevention is vital for the safety of our potable water supply; the technology stops “undesirable” fluids, such as sewer water or chemicals, from contaminating our drinking water. National Backflow Prevention Day, Aug. 16, raises awareness of the critical issue.

Thermal disinfection or short-term chemical disinfection may kill Legionella bacteria on the surface of the biofilm, but it does not kill bacteria under it. Bacteria can go into a cyst form, encapsulating it inside an amoeba and deep within layers of buildup on a pipe wall covered with biofilm.