What if a company’s workforce complains of headaches, dry cough, dizziness, nausea and fatigue but then returns with COVID-negative test results? It might be time to investigate “sick-building syndrome.” If so, the final remedy will depend on finding the root cause, but that takes time. Hunter’s line of HVLS TRAK fans boast easy one-person installation with plug-and-play wiring. This allows for fast action with a minimal outlay of cash.
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The Versatec 700 Water Source Heat Pump—formerly known as Versatec Variable Speed—offers a new 2-ton unit which further expands the existing lineup of 3-6 ton and 10-90-ton units, creating more options and flexibility for customers. The 2-ton unit offers the same features as the larger models, including industry-leading efficiencies, a 4:1 turndown and Aurora Controls. Its variable speed technology provides the ultimate in temperature control and active dehumidification. It can continually adjust to load variations to deliver the air flow and temperature desired, so performance, comfort, temperature and humidity are all controlled at optimal levels.
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By marrying key design attributes of variable refrigerant flow (VRF) technology with chilled water production, LG is raising the standard for air-cooled chillers with a robust set of high-performance features—reflected in its cooling capacity and low ambient heating ranges—providing specifiers with a cost-effective and properly-sized solution for air-source heat pump heating and cooling.
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Danfoss announced an innovative solution for oil-free chillers and heat pumps for enhanced system reliability and efficiency. The oil-free centrifugal market is growing exponentially around the world driven by a need to reduce system running costs, complexity and system size. The new Danfoss OFC check-and-stop valve incorporates a damped nozzle check valve, stop valves and diffuser function to address the major application pain points.
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Bosch Thermotechnology announced the availability of its new, ultra-quiet heat pumps, the QV Series, for commercial spaces in multiple sizes and both horizontal and vertical configurations. The commercial grade QV Series, a Florida Heat Pump (FHP) geothermal system, is a leader in sound reduction and represents one of the most comprehensive sound performance offerings on the market. In addition to the lower sound levels, the QV Series also delivers a compact cabinet, in a very competitive package, making it ideal to fit into small spaces in commercial buildings.
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The march toward electrification is here. Taco Comfort Solutions has partnered with Glen Dimplex to develop a complete air-to-water heat pump system for residential heating, cooling and DHW applications. The Taco/Dimplex air-to-water heat pump system, once piped to the home’s terminal system, provides up to 44,000 Btu/hr and 3.5 tons of cooling. The radically innovative system is solar PV and smart grid ready, designed specifically for a low carbon society and built with the knowledge that water is the most efficient and natural energy transfer medium.
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Ruskin introduces its EME5625MDE Wind Driven Rain Louver (Miami Dade Certified with Enhanced Protection). This newly designed, high-performance louver with improved air and water performance is a 5-in. deep, vertically bladed louver certified for AMCA 540 and AMCA 550 performance, rated for Miami Dade jurisdictions, and mechanically fastened for manufacturing speed and improved performance.
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The Stainless Steel Vertical Firetube (SVF) commercial condensing boiler features thermal efficiency up to 96.8%. The SVF boiler line includes BTU sizes in 1500, 2000, 2500 and 3000 MBH configurations. The high-efficiency SVF line features a clover-shaped stainless steel fire tube heat exchanger for corrosion resistance, unrivaled ease of installation and maintenance, the intuitive and user-friendly Unity control system, and Weil-McLain boiler design reliability and longevity.
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The Berner Commercial High Performance 10 Air Curtain features a simple design with powerful performance with a white or black powder-coated exterior. Designed to meet the functional needs of the application and visually integrate into the space. Ideal for entries and main entrances, the air curtain meets ASHRAE Standard 90.1-2019 and the IECC building code, which allows AMCA certified air curtains as an alternative to vestibules.
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The Heat2O, an all-electric domestic hot water heating system is designed to improve sustainability and reduce energy consumption in multifamily buildings and large-scale commercial facilities. The system reduces the environmental impact of DHW through energy-efficient operation while using CO2, a natural and environmentally friendly refrigerant with a global warming potential (GWP) of one and an ozone depletion potential (ODP) of zero.
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