A complete line of high-efficiency radial fans for use in wall-mount air conditioning units, commercial kitchens, and cleanrooms is now available from Rosenberg USA Inc. Designated the DRAD Series, these compact blowers feature forward curved impellers in diameters ranging from 5.24 to 15.75 in. They are ideal for air conditioning evaporator applications from 1.5-ton to 15-ton capacity.
Lennox has expanded its Energence® rooftop line with new ultra-high-efficiency models. Lennox’ ultra-high-efficiency Energence units feature efficiencies of up to 21.5 IEER and 13.9EER resulting in overall lower operating costs and service, which the company says contributes to the lowest total cost of ownership. Energence ultra-high-efficiency units are designed to offer customers energy savings with features such as the Advanced Cooling System and the DirectPlus™ blower system. In addition to sustained savings, the Energence ultra-high-efficiency lineup exceeds ASHRAE 90.1 minimum standards by 92%, exceeds CEE Tier 1 and 2 efficiency minimum requirements, and qualifies for many potential utility rebates and incentives, while also providing additional options to meet California Energy Code Title 24.
Ideal for pipeline, construction, and maintenance welding applications, the new, high-efficiency Classic® 300 HE and SAE-300® HE diesel engine drive welders are the latest products from Lincoln Electric The pure DC generator welding output produces the welding arc preferred by pipeline operators and contractors, providing precise arc control for stick, TIG, MIG, flux-cored, and gouging processes in demanding code applications.
Allied Commercial has added 13- to 25-ton models to its high-efficiency K-Series product line, which currently includes 7.5- to 10-ton high-efficiency gas/electric and electric/electric models introduced earlier this year. Designed for integration into spec and bid, and replacement markets, the company says its high-efficiency K-Series models help commercial buildings meet or exceed sustainability standards while helping users to conserve energy and take advantage of federal and local energy-efficiency incentives.
Featuring a corporate history dating to the early 20th century and cutting-edge technology such as the Crest® Condensing Boiler, Lochinvar® Corporation is a leading manufacturer of high-efficiency water heaters, boilers, pool heaters, and storage tanks.
Engineered Systems magazine’s February 2020 issue showcases the winners of our annual 20 to Watch: Women in HVAC contest, examines how a new MLS soccer facility partnered with a Woman Business Enterprise to design an energy-efficient VRF and DOAS system, continues our discussion on simple and complex sequences, and much more.