Greenheck’s Model HBT-221 is the HVAC industry’s first commercial-grade rectangular bubble-tight damper, company officials say.

T.J. Snow Co. offers the TECNA line of rocker spot welders imported from Italy. No longer must sheet metal shops struggle to get by with antiquated and undersized spot welders which produce weak and ugly welds, officials say. 

Taco Comfort Solutions has released the free, interactive Building Efficiency System Tool (BEST). This tool brings efficiency ratings and data together to compare the performance, life cycles and costs for any type of HVAC system early in the design process, company officials say. 

Ruskin’s TED40 Economy Insulated Thinline Control Damper provides low leakage and thermal performance in a thin line, 4-inch-deep frame. 

Sensaphone has released the 4000, a monitoring system that officials say provides low-cost continuous monitoring of data center conditions across multiple locations.

Milwaukee Tool’s 102x77 Spot Infrared Imager offers instant startup for scanning large areas quickly and features a high-resolution image on screen and precise, single-spot measurements, company officials say.

Edison, New Jersey-based Marketair has introduced PerfectPitch, an adjustable pitch-leveling pipe supporter for residential and commercial condensate and waste drain line pipe installations in attics, mechanical rooms and crawl spaces.

Semco’s updated Neuton Multiple Zone chilled beam pump module now has the ability to control active chilled beams in up to five small rooms — averaging 120 square feet each — in office buildings, hospitals, schools and other commercial buildings. 

RectorSeal Corp. has introduced a hurricane-rated wall condenser bracket for ductless mini-split system condensers. 

Shelton, Connecticut-based GrayWolf Sensing Solutions has released its PC-5000 series wall-mount particle/mass monitors with options for total volatile organic compounds, carbon dioxide, temperature and relative humidity.