Check valves are ubiquitous in all sorts of piping systems. Although they may be familiar to plumbing and mechanical contractors, the more than half dozen different types of check valves are designed for different functions and types of service. Contractors need to take care to select the correct check valves for the piping systems they are designing and installing.
According to recent data from Sageworks, profitability for private companies is at the highest level in a decade. The largest sector of business happens to be construction, which comprises plumbing and heating contractors. The primary reason for this increased profitability? A growing number of plumbing and heating businesses have finally embraced the Internet.
Heat for Heroes is a program of the Mechanical Contractors Association of
Chicago and the service technicians of Pipefitters Local 597. They donate their
time and materials to repair home heating or cooling systems for eligible
military personnel.