customers fast delivery times along with low installation cost. Additional high efficiency options are available to further reduce operating costs. The Trane® eFlex™ variable-speed compressors and fans deliver the performance building occupants need, while also delivering the efficiency building owners want.
To meet the need for optimum efficiency and energy savings across all building loads, Armstrong Fluid Technology has announced that its Design Envelope pumps are now also available for use with single phase power up to 7.5 hp.
Harsco Corporation has expanded its P-K SONIC® line of commercial boilers to now include the SC-2000 (2,000 Mbtu/h). According to the company, the addition of the SONIC SC-2000 stainless steel boiler from its Harsco Industrial Group’s Patterson-Kelley division continues to expand the boundaries of its commitment to energy efficiency and innovative design.
Johnson Controls introduced its Coleman® Outfitter™ Ultra High Efficiency Packaged Unit. The company says the unit delivers the highest AHRI-listed efficiencies in the industry — up to 18.1 SEER and 14.35 EER — due to the combination of the unit’s two-stage compressor, variable-frequency drive, high-efficiency indoor/outdoor coil, and premium-efficiency indoor/outdoor motor. A common footprint allows for easy installation on a curb, slab, roof rack, or frame.
Schebler says its Sequence Draft Control™ (SDC) design service offers boiler and hot water heater manufacturers a complete engineered venting system. SDC is capable of maintaining the desired condensing dew point of combustion, preventing excess draft which impacts efficiency and fuel/air ratio’s – especially with high turndown modulating burners.
The new MagnaTherm from Laars is a 95% thermal efficiency modulating-condensing boiler or volume water heater available in 2, 3, and 4 million Btu/H sizes. MagnaTherm says it offers a 5:1 turndown, small footprint, slim vertical design with removable top section, a stainless steel heat exchanger, and multiple voltage options to match building service. Designed and made in the U.S.A, the MagnaTherm meets all ASME requirements and is AHRI certified.
Trane is introducing a newly redesigned family of configurable terminal products. The company says it is a complete offering that delivers improved efficiency, ease of installation, acoustics, and temperature control.
Fulton Companies has released a new line of condensing hydronic boilers. The Endura™ boiler is the latest addition to Fulton’s product offerings for the commercial heating market, and is offered in 1.5 million (EDR-1500) and 2 million (EDR-2000) Btus/hr.
Bosch is offering two new models of condensing gas-fired tankless water heaters for domestic hot water on demand applications. The Greentherm C 1050 ES and C 950 ES are both Energy Star® rated models featuring condensing technology for up to 10% improved energy efficiency over non-condensing models, with an energy factor up to 0.94.
Leaning on experience and data from various K-12 cities and projects, the author pursues some less conventional design approaches. They may revolve around radiant heating and/or cooling, but depending on school size and other factors, the smart use of heat recovery, DOAS, and improved central plants could also put a project on the HVAC honor roll.