The most-read articles on Plumbing & Mechanical
Readers flocked to Plumbing & Mechanical this year for the latest information on new products and technologies, industry news and market trends. Here’s a countdown of the top 10 articles you read the most in 2021 based on the Find a plumber
number of unique pageviews on Heat pumps are incredibly useful devices. They gather what would otherwise be unusable heat from low-temperature sources such as outside air, soil, lakes or water wells and “upgrade” the temperature of that heat to a condition where it can heat buildings, domestic water, swimming pools or other process loads. With systems dating back into the 1800s, hydronic heating has been around a long time. As with many technologies, a modern hydronic heating system bears little resemblance to one based on the earliest design techniques and hardware. Imagine explaining the concept of a circulator to a design engineer from 1900 who might only know of electricity as something a few scientists experiment with. Think about convincing an engineer of that era that pipes capable of lasting well over 100 years could be made of materials derived from oil.