Laars has introduced the new Mascot ST condensing tankless water heater. The natural gas or LP-fired unit offers an ultra-high 0.96 EF (energy factor) efficient stainless steel heat exchanger, full 10:1 modulation, and is available in a 199 MBH size.
Greenheck’s line of Vari-Green™ energy control products has expanded with the introduction of the Vari-Green Drive (Model VGD-100), a factory-mounted and wired variable speed control for three-phase motors up to 10 hp.
The latest multi-zone split system from Fujitsu is the AOU45RLXFZ, five-zone heat pump. The heat pump system permits connection of between two and five indoor units to one outdoor condensing unit. The company says the system offers high efficiency operation of up to 19.7 SEER and 10.3 HSPF.
Power management company Eaton has launched its new Pow-R-Line® PXBCM Branch Circuit Monitor panelboard. The integrated panelboard monitors up to 84 branch circuits and provides facility managers across industries with remote access to live energy readings.
Roberts-Gordon LLC recently reintroduced the GORDONRAY® DF two-Stage, unitary low-intensity infrared heater. Due to the ability to fire at two distinct rates, the company says its GORDONRAY® DF provides energy efficient heat that can effectively adjust to sudden high heat-loss conditions or economically maintain steady comfort levels.
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.
The York Direct Fit rooftop replacement solution from Johnson Controls now includes a full line of 3- to 8.5-ton packaged heat pumps. Like other products in the Direct Fit series, the company says its heat pumps feature an exact-fit replacement design that matches the units to footprints of other manufacturers’ units and reduces installation time, cost, and complexity by eliminating the need for a curb adapter.
Niles Steel Tank now offers 150- to 1,000-gallon electric water heaters from 12 to 162 kW. The heaters feature 150 psi ASME code glass lining, ASME temperature and PRV, internal fusing (above 120 amps), and magnesium anode rods.
Many engineers tend to avoid or delegate the nitty gritty of a ground source heat pump system, from soil moisture effects to building system (im) balance. It's time for designers to get in the loop. Learn more about Grounded In Reality in the December issue. Other topics in the December issue include health care HVAC, Boilders, check out the Back2Basics, and more.