Like the lightweight connectors, WonderFlanges are quick, easy to install and strong enough to hold their shape, even on large sizes of duct.

How duct fabrication, installation, economics and acoustics in spiral duct and associated fittings create a much more energy-efficient duct system over rectangular ductwork with major labor savings.

With the recent political whirlwind that has permeated the HVAC industry, many suppliers, manufacturers and contractors are in a state of flux. We are all waiting to see how things play out in the metals market after Trump administration’s March 8 announcement of new import tariffs on steel and aluminum.

Garner, North Carolina-based Hamlin Sheet Metal was founded in 1954 by William F. “Fred” Hamlin to manufacture commercial air-handling ductwork.  Hamlin Sheet Metal became the first division of the Hamlin Cos., which now includes Hamlin Roofing, Hamlin Fabricated Metals and Ultratech Industries.

The Prairie Lakes Wellness Center in Watertown, South Dakota, a modern community center conveniently located in a fast growing area in the northeast part of the state, opened in April 2017 and has 104,000 square feet of space.