A new packaged heat pump from the Coleman brand of Johnson Controls is available in 3- to 8.5-ton capacities. Its exact-fit replacement design matches footprints of other manufacturers’ units and the company says it reduces installation time, cost, and complexity by eliminating the need for a curb adapter.
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.
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.
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.
Advanced Cooling Technologies, Inc. (ACT) has launched its HSC, HPC, and LNC series of sealed enclosure cooler products. Sealed enclosure coolers are used to dissipate heat inside enclosures or cabinets that house and protect electrical/electronic equipment from harmful environments.
Designed with the needs of building owners and their specifying engineers in mind, Cambridge Engineering has introduced a new line of Blow-Thru® Direct Gas-Fired Space Heaters to heat smaller commercial and industrial facilities.
The Liberty Series by Ace Heating Solutions LLC is a fully condensing, commercial water heater/boiler. According to the company, the Liberty is designed with high quality materials, including a stainless steel heat exchanger, allowing for a long service life.
According to Johnson Controls, its York LX Series packaged units set a higher standard to heat and cool residential and light commercial buildings, featuring a contractor-friendly design, reliable technology, and an advanced manufacturing process. The units are 29% more efficient, earning a 14 Seasonal Energy Efficiency Ratio (SEER) rating and exceeding U.S. Department of Energy efficiency standards.
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.