Mechanical & Plumbing
April 5, 2013 - Lennox has expanded the availability of its Environ Coil System to 4-, 6-, 13-, 17.5- and 25-ton Energence rooftop unit models, completing the product lineup to 25 tons. The Environ Coil System will now come standard on Energence rooftop unit models, with the tube-and-fin condenser coil available as an option. According to Lennox, the all-aluminum Environ condenser coil offers a significant reduction in refrigerant charge requirements and uses up to 52% less refrigerant than a traditional tube-and-fin condenser coil, providing sustainable savings. The mounting configuration uses rubber inserts, which claims to provide vibration dampening to prevent damage during shipping, as well as isolation to protect against corrosion.
April 2, 2013 - Johnson Controls claims its new chiller solution with hybrid solar thermal and photovoltaic (PV) technologies convert 75% of the sun’s rays into energy, compared to 15% efficiency in a traditional PV system. According to Johnson Controls, solar cooling offers a compelling value proposition for building owners by reducing both peak time energy costs and demand charges. The solution uses the York Absorption Chiller and features PV waste-heat recovery technology, and qualifies for utility incentives across North America, where cooling demand places a significant stress on the power grid, driving up electricity rates, it says. The solar-cooling solution integrates into a building controls system, including the Metasys building management system. It generates hot water for the absorption chiller to air condition buildings and electricity to reduce demand from the power grid.
April 2, 2013 - Continental Fan’s ABP panel fan claims to be the ideal solution for belt drive applications, offering aerodynamically-efficient performance within a heavy duty welded steel frame and panel construction. The fan is available in diameters from 24-in through 60-in, with capacities ranging to 44,600 cfm. The ABP panel fan has a factory set adjustable pitch impeller for precise performance matching, it adds. The airfoil axial impeller is constructed of spark resistant die cast aluminum.
March 27, 2013 - Jaga Climate Systems has developed the Panel Plus and Mini Bench heating and seating systems, a dual-purpose solution that provides a heating and seating system suitable for use in larger public spaces, such as student centres, waiting areas, hotels, hospitals, restaurants, and small residential spaces. To install the system, a bench screws on the top of the Panel Plus and Mini freestanding units. The units boast Jaga’s Low-H20 technology, which claims to help the units remain cool to the touch and pose no risks to people sitting on the bench. In addition to its seating function, the units can also help heat spaces and reduce cold draughts radiating from large windows.
March 27, 2013 - Eaton has released the H-Max Series variable frequency drive (VFD), which claims to increase energy savings, lower utility costs and reduce emissions in commercial buildings. According to Eaton, customers whose HVAC systems do not yet use adjustable frequency drives to control motors can realize energy savings up to 45% over their current control method. Meanwhile, those already using an adjustable frequency drive solution can realize an additional energy and emissions savings of up to 10% by switching to an H-Max drive, it says. The H-Max series features insulated gate bipolar transistors (IGBTs), a real-time clock and calendar, and Active Energy Control, which helps customers design and operate HVAC systems. Users can see additional cost savings by tapering system requirements during off hours, weekends, and holidays.
February 22, 2013 - Tekmar Control Systems (Vernon, B.C.)—a Watts Water Technologies company—says its Boiler Control 284 is designed to operate up to four boilers to accurately maintain a target water temperature. The 284 operates both condensing and non-condensing boilers that are either modulating, single- or two-stage, and communicates with building automation systems (BASs). The system can be remotely monitored and adjusted through BACnet or Modbus communication. This connection makes it possible for installers and building managers to monitor boiler operation, plant and vent temperatures, system pressure, flow rates and pump operation using the BAS system interface. When no BAS connection is required, remote monitoring can be provided through TekmarNet Gateways. Tekmar says the 284 is designed to prolong the lifespan of the equipment; primary pump sequencing prevents downtime by automatically operating a second pump when a failure is detected. Other reliability features include pump exercising, equal run-time rotation, and boiler minimum and maximum temperature settings.
February 21, 2013 - ATCO Emissions Management has added heat recovery steam generators (HRSGs) to its line of gas turbine auxiliary equipment for the power, oil and gas, and cogeneration markets. The new HRSG product, an energy recovery heat exchanger that recovers heat from a hot gas stream, will initially serve organizations with gas turbines up to 100MW. By implementing the HRSG system, ATCO says companies will be able to create cost savings through recovered waste heat or renewable energy sources.
February 5, 2013 - Viessmann says it has added several economical options to its line of indirect-fired domestic hot water (DHW) storage tanks with Vitocell 100-VH/BH series. Single-coil (Vitocell 100-VH) and dual-coil (Vitocell 100-BH) tanks are available in 79 and 119 USG (300 L and 450 L) sizes. All Vitocell 100-VH/BH models feature a large heat exchanger coil reaching to the cylinder floor “to maximize energy transfer”, utilize full tank capacity and promise fast recovery rates. The 100-BH tank includes a second coil to allow the integration of a solar thermal system and heating boiler for shared DHW production (solar heat is transferred through the lower coil, while the boiler provides supplementary heating through the upper coil). An optional 220V electric heating element adds further DHW heating flexibility to Vitocell 100-VH/BH tanks, eliminating boiler run-time in the summer, says Viessmann, or providing a permanent auxiliary heat source when solar heating is in short supply. Two inches of CFC-free foam insulation and a fitted nylon insulation jacket minimize standby losses and help contribute to operating cost savings of up to 50%, says the company, when compared to conventional direct-fired tanks. The tanks are available through Viessmann wholesale partners across Canada (excluding British Columbia and The Yukon).
January 24, 2013 - Lennox says it has added 7.5-ton to 10-ton, gas/electric and electric/electric models to its existing line of Landmark rooftop units, in order to offer customers increased energy savings and lower utility costs. Designed for use in new construction or for the replacement of an existing rooftop unit, the Landmark units boast 25% more efficiency. The units are available with Lennox’s optional MSAV supply fan technology. The Landmark unit’s design offers more than 100 field customizable options and over 30 features to aim in installation and service time. This includes an isolated compressor compartment; a slide-out blower that aim in belt tensioning, adjusting/replacing and cleaning of the blower wheel; and an accessible gas compartment for analysis and service.LENNOX INDUSTRIES
January 23, 2013 - Eaton 5P, 5PX and 9PX uninterruptible power system (UPS) models are now Energy Star qualified, following third party testing and verification of meeting the program’s energy efficiency requirements. Eaton describes the qualification as certifying Eaton UPSs are among the most efficient on the market, helping customers to reduce electrical usage. Eaton also boasts the largest selection of Energy Star UPSs for server, storage and network protection applications. EATON
January 2, 2013 - DewStop has designed a fan switch that monitors humidity and dew point levels in the bathroom and automatically switches the exhaust fan On or Off to adjust for condensation, helping to minimize damage to walls and lessen mold growth. As such, the DewStop Condensation Sentry claims to save homeowners in electricity expenses and lessening their carbon footprint. In addition, the switch includes a manual On/Off switch and a 30-minute timer. Intended for use in condensation problem areas of the home, such as near the shower or bath, the switch can be installed by replacing an existing fan switch. DEWSTOP
January 2, 2013 - Cerus Industrial has added an Energy Management Bypass option (EMB) to its P-Series line of variable frequency drives (VFDs). According to Cerus, the new option assures uninterruptible operation of customers’ HVAC systems, even if the drive is taken out of the loop for some reason, including reprogramming or maintenance operations. With integrated real-time ANSI grade power metering and BACnet communications, the EMB measures consumption in both VFD and Bypass mode to +/- 1%. Cerus P-Series VFDs are available in a range of packages from 1HP to 400HP.CERUS INDUSTRIAL
December 6, 2012 - The Energy Star Broan LP80 and NuTone LPN80 ventilation fans are designed for installations where conventional ventilation won’t fit, says the company. The LoProfile fans, providing 80 CFM of ventilation, can be installed in a wall between 2-in. x 4-in. studs. According to Broan-NuTone, the LoProfile fans can still fit without having to move anything. BROAN-NUTONE
December 6, 2012 - Jaga Climate Systems has unveiled the Vertiga heating and cooling system, which is made entirely from renewable components, including its exterior sheath made from soybean stalks. The Vertiga promotes linear air flow rather than a top down circulation system, and the radiator is equipped with two lateral air heat exchangers with copper tubes and aluminum fins aquifers. It works with condensing boilers and heat pumps to help maximize comfort by quickly reaching the desired temperature, adds Jaga.JAGA CLIMATE SYSTEMS
November 20, 2012 - Four new data centre classes that can enable full-time economizers for different applications in various climates are included in the 3rd edition of ASHRAE's Thermal Guidelines for Data Processing Environments. According to ASHRAE, the most valuable update to this edition is the inclusion of IT equipment failure rate estimates based on inlet air temperature. Other highlights include new air and liquid equipment classes and expanded thermal envelopes.ASHRAE
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