Here's a list of HVAC machinery products you can learn more about while at the AHR Expo in Las Vegas at the end of January.

Prefabrication has become a necessary, cost-effective choice for many sheet metal contractors in the construction industry.

Coil cleaning is a much-needed service for many customers, whether residential, commercial or industrial, in health care or education. Coils are everywhere from evaporators to condensers, reheat, heat recovery, heating, process, chiller, cooling towers and refrigeration.

When officials with MidAtlantic Mechanical were looking for a new coil line, space was a concern. The company only had about 3,600 square feet in its Millstone, New Jersey, sheet metal shop.

Titus HVAC has expanded its HVAC construction blower coil line to include compact air handlers that are available in both horizontal and vertical alignments, and can be mounted on the floor or ceiling.

If you want to see the first multihead machine Gripnail Corp. ever made, don’t go to the company’s headquarters in Rhode Island.

Instead, head to Loveland, Colorado — but don’t expect to see a museum-quality piece. The well-used 1973 machine is in Kuck Mechanical’s sheet metal shop, attached to a coil line, where it runs every day, fastening insulation to ductwork.