Nu-Calgon’s A/C ReStart is a specially formulated treatment designed to assist in air conditioning R-22 retrofits. According to company reps, A/C ReStart eliminates oil change-out by boosting oil return when using R-407C, R-427A, and other refrigerants.
Nortek Global HVAC introduced the Reznor® ZQYRA Series. The company says the series is a low cost, high-efficiency dedicated outdoor air system (DOAS) for adding outdoor air requirements in educational, healthcare, office, retail, and other light commercial spaces.
Ebm-papst says it has developed a new EC fan line that ensures efficient, economical, and quiet operation. The size 500 axial fans from ebm-papst were specially engineered for use in outdoor heat pumps and have now been optimized for energy efficiency and noise reduction.
Tyco Fire Protection Products introduced the BFV-300 Butterfly Valve. The company says the BFV-300 is now a lighter, more compact design that allows for more efficient installation, easier operation, and long-term performance. New features of the valve make it smaller and lighter.
Seresco USA Inc. has introduced the NE 200 Series. According to the company, the NE 200 series is the industry's smallest horizontal two-compressor footprint dehumidifier and the only HVAC system designed specifically for retrofitting residential, hotel, and medium-sized community indoor pools of up to 5,000 sq ft.
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.