Metalaire has released its Non-Ducted Return Hood. The Model NDRH is intended to be a field added accessory to return grilles in non-ducted plenum applications. The company claims the model significantly reduces the amount of sound transmitted into or from the plenum and also functions as a light shield.
CertainTeed has launched its newly enhanced Sustainable Insulation™ SoftTouch™ Duct Wrap. The product offers improvements in cutting and handling while maintaining the company’s fiberglass product performance. CertainTeed officials said the Sustainable Insulation SoftTouch is a resilient fiberglass blanket-type insulation that provides superior thermal efficiency by reducing unwanted heat loss or gain in both rectangular and round heating, ventilating, and air conditioning ductwork.
RectorSeal® Corp. has introduced the Paircoil™, pre-insulated, malleable linesets designed specifically to expedite installation of ductless mini-split and conventional air-conditioning systems in North America. Paircoil is sold in 65-ft rolls of either .25 and 3/8-in-diameter; or .25 and .50-in-diameter copper liquid/suction line sizes.
From a missing pipe hanger three floors down to steam traps past their prime, these stories show how steam system problems can originate inside the boiler room or far beyond it. Read more in February issue.