Mechanical & Plumbing
July 29, 2014 - Lennox has added ultra-high-efficiency models to its Energence rooftop line—promising efficiencies of up to 21.5 IEER and 13.9 EER—which it describes as the “most efficient, lightest and quietest rooftop units in its class”. Boasting energy-saving features such as the Advanced Cooling System and the DirectPlus blower system, the lineup exceeds ASHRAE 90.1 minimum standards by 92% and CEE Tier 1 and 2 efficiency minimum requirements. “Our customer feedback plays a significant role in the development of our products and these new units were designed to meet not only our customer’s most requested benefits, but industry leading results in the areas of energy efficiency, sound and weight, for comparable competitive units,” said Cindy Sparrow, vice president of product management and marketing.
July 15, 2014 - Enistic has introduced the first product in its new Essentials Range of energy-management products—the real-time online temperature logger and sensor measures the ambient temperature of chiller units or air conditioned offices. The unit can also be used for energy performance monitoring and building monitoring. Boasting one-minute refresh view, the plug-and-play temperature sensor is suitable for temperatures between -55C and 125C. As well, an alarm function detects below minimum and above maximum temperatures set by the users; alerts can be sent through email or SMS.
May 28, 2014 - Excel Dryer says its new Xleratoreco hand dryer—which uses “no heat” technology to dry hands in 15 seconds using 500 watts—is the most energy-efficient hand dryer on the planet. Drawing 4.5 amps or less, multiple Xleratoreco units can be installed on one circuit, which significantly reduces installation time and costs, says the company. Additionally, Xleratoreco reduces a facility’s carbon footprint, helping facilities qualify for several Leadership in Energy and Environmental Design (LEED) v4 Credits and Green Globes to achieve corporate or government sustainability goals, it adds.
May 28, 2014 - Broan-NuTone has introduced a humidity-sensing wall control (model 82W), which it says maximizes the performance of most Broan and NuTone ventilation fans by automatically detecting and controlling high levels of moisture. The updated control reacts faster than other models to provide the best air quality and comfort for users, says the company. Now, the wall control can sense a rapid rise in humidity levels and automatically turn on the fan until the level of humidity returns to a normal, healthy state. An LED light indicates when the fan is operating. The control automatically stops the fan after a user-adjustable time delay so it only operates when needed, which helps users conserve energy, adds Broan-NuTone.
May 15, 2014 - Dyson engineers say they have concentrated Dyson Airblade technology without compromising drying performance. Using the Dyson digital motor V4, the Airblade V hand dryer is 60% smaller than the original, yet claims to still dry hands quickly and efficiently in 12 seconds. According to the company, the hand dryer uses two sheets of 675kph air, angled at 115°, to separate hands and scrape off water like a windshield wiper. It also claims to dry 17 pairs of hands for the price of a single paper towel.
May 15, 2014 - Johnson Controls has released a series of pneumatic-to-digital thermostats, the WT-4000, which claims to efficiently convert older pneumatic room control systems and enable communication with newer digital building automation systems. Programmable occupancy scheduling and remote temperature monitoring are key energy-saving features of the series, says the company. The thermostats come in eight different configurations and offer Celsius and Fahrenheit displays.
April 23, 2014 - Schneider Electric has introduced its SE8000 series of room controllers, describing it as a solution that provides the distinctive advantage of integrating a thermostat/temperature sensor and programmable room controller in a single unit. According to Schneider, the series can scale across a facility to optimize the energy use of HVAC systems and help reduce operational costs. Full customization is achievable by selecting from five screen colours, two casings, and 10 textured fascias to find the perfect combination to complement the surrounding decor. In addition, application-specific models will be released in the coming months for fan coils, heat pumps, roof top and air handling units that are pre-programmed to maximize efficiency, with the option to easily modify configurations to meet unique environmental needs, says Schneider.
April 8, 2014 - Lennox has expanded its light commercial Raider rooftop unit line to include 7.5- to 12.5-ton models, adding to its existing offering of 3- to 5-ton units. Designed to be compatible with most replacement installations, Lennox says Raider units are built to fit the most popular curb sizes, virtually eliminating the need for an adaptor curb on many replacement jobs. Available in gas/electric and electric/electric models, 3- to 12.5-ton units offer efficiency levels of up to 13 SEER, 11.5 EER and 13.2 IEER. An optional MSAV supply fan claims to optimize energy efficiency by matching fan speed with compressor demand, while a field- or factory-installed BACnet option boasts seamless integration with building automation systems.
March 26, 2014 - Venmar Ventilation, a provider of indoor air quality products, has introduced a new line of air exchangers: Venmar AVS and vanEE. The 9-in thick design is best suited for in-suite ventilation in high-rise residential towers, notes the company, adding that the entire line of new Venmar air exchangers offer unmatched airflow rate of 115 cf per minute, ensuring effective ventilation. The units boast up to 67% heat recovery efficiency at 0° and fans that are 50% more efficient.
March 12, 2014 - Broan has introduced its ventilation fan/light with Soft Surround LED lighting technology, boasting comfortable widespread lighting that is available immediately upon operation without warm-up time. The unit features an 800 lumen LED light engine, a 9W LED light and 3000K colour temperature. With a 4-in. duct connector, the ventilation fan/light can be installed in tight ceiling areas with a minimum joist height of 2 in. x 6 in., says Broan, adding that the model is UL certified, allowing installation over bathtubs and showers when used with a GFCI circuit.
February 26, 2014 - Tamarack Technologies has announced the Perfect Balance integrated door return air pathway, designed to create a more comfortable indoor environment through proper room-to-room air flow while reducing the stress on heating and cooling systems. Made from ABS plastic, the unit meets Energy Star and R2000 standards and can be retrofitted into an interior door to help eliminate pressure imbalances, says the company. According to Tamarack, room-to-room pressure imbalances can lead to moisture problems and mould build-up, and higher energy costs.
January 22, 2014 - Jaga’s new Freedom radiator boasts a compact, contemporary design and efficiency comparable to units twice its size. Designed for small and sustainably constructed spaces, the unit received its name from its “extensive flexibility” and ability to be “integrated into any climate control dynamic”. Also suitable for condensing and non-condensing cooling, all Freedom radiators are fitted with a condensation drain.
January 13, 2014 - Leviton has introduced its new humidity sensor and fan control device, featuring digital sensing technology to help control ventilation in humid or damp areas in the home. It offers single pole for control of a ventilation fan or fan/light combination and is compatible with incandescent, LED, CFL and fluorescent lighting loads and ventilation fans up to 1/6 HP. According to the company, regular use of the device reduces energy usage by automatically operating the fan only when needed and minimizing unnecessary and continuous use.
December 18, 2013 - Lennox Industries says it will expand its portfolio in 2014 to offer the North American commercial HVAC market variable refrigerant flow (VRF) technology.
December 17, 2013 - Schneider Electric’s Powerbus 400A/600V busway claims to replace traditional centralized cable distribution runs with a more flexible method of power distribution above data centre equipment, enabling energy monitoring, reduced energy losses, and improved flexibility for equipment moves, adds and changes in the facility. The incoming power feed units offer isolated metering compartments, improved cable entry and new metering voltage options, while the plug-in units offer Powerlogic power metering options to simplify monitoring of energy usage at row level and the rack and branch circuit levels, says the company. The product boasts the highest plug-in unit density on the market, with up to 20 openings every 10 ft, and is listed to UL 857 for Safety for Busways. WATCH the video below.
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ASHRAE Annual Conference
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