HVAC

Electronic Air Measuring Station

At AHR, Ruskin introduced a truly novel product, the AIRFLOW-IQ, which combines the features of the company’s TDP05K air flow and temperature measuring probes, with its CD50 control damper and the VAFB24-BAC RAMS Air Measurement BACnet actuator. The factory-assembled and calibrated unit provide effective setpoint airflow control from 0 to 5,000 FPM (0 to 25 m/s) using analog or BACnet interface. The ultra low-leak, class 1A-rated CD50 damper helps satisfy the requirements for minimum outside air as required by ASHRAE 62.1, 90.1 and 189.1, California Title 24, the Int’l Mechanical Code and the Int’l. Energy Conservation Code. According to the manufacturer, one of the ma

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The Cube, Calgary, Ca.

A Heating Renaissance at Calgary’s Residential Conversion

An undesirable, vacant 38-year-old office building is reimagined and now features the city’s first office-to-residential space conversion with new high-efficiency condensing boiler heating technology. The Cube, a 52,000-sq.-ft., seven-story building in Calgary’s Beltline neighborhood, features 65 one- and two-bedroom residential rental units and is just a short walk from the city’s downtown area. Once the aging Stephenson office building, the building was converted to new residential and rental units in 2019. The building’s developer, Ash Mahmoud, managing director of Calgary-based Strategic Builders Inc. (SBI), the construction arm of Strategic Group, oversaw the con

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Adjustable Flow Control

With four-way vane control, occupants can select two-, three- or four-way airflow patterns, and each vane can also be adjusted individually. The optional 3D i-see Sensor, which calculates room occupancy rate, adjusts conditioning accordingly with direct or indirect airflow settings, offering dozens of different comfort combinations and improved energy savings, with a SEER rating over 19.8 and even temperature distribution.Judge’s Comment: “Comfort made easy.”

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Multi V 5 with LGRED

Smaller Footprint

The LG Multi V 5 with LGRED° heating technology provides savings and flexibility by offering more capacity in a single compact chassis. The LGRED° heat technology makes the Multi V 5 an all-year weather hvac solution for commercial applications. Featuring a 43% smaller average footprint and 39% lighter total weight over previous equipment, the Multi V 5 comes in a compact 20-ton single frame.Judge’s Comment: “Energy-efficient products with a small footprint are always welcome.”

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Personalized Comfort Control

Available in configurations from 6 tons to 36 tons, the new CITY MULTI N-Generation high-performance outdoor unit delivers better energy efficiency. The N-Generation features a footprint up to 30% smaller than previous models and offers more design flexibility thanks to improvements in vertical piping limits—expanded from 164 ft. to 295 ft. 

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Maintaining Comfort and Energy Savings

Model DS fan offers cooling, humidity control and heat distribution all in one. In a recent installation, a school district increased temp set points by 8°F, without altering comfort. The Model DS can be customized to match the color scheme of any building or choose from one of more than 22 standard color finishes.Judge’s Comment: “Cool! (Yep, I said it.)”

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Cool Mirror

The Art Cool Mirror indoor AC unit is ideal for projects employing Variable Refrigerant Flow (VRF) technology. With an attractive redesigned mirror fascia and built-in WiFi capability, LG’s Art Cool Mirror makes it easy to incorporate an energy-efficient hvac system without sacrificing aesthetics. The indoor units maintain low sound levels, operating at sound levels as low as 28 dB(A), one of the quietest in the industry.

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Steinbach Regional Secondary School, Steinbach, Manitoba, Canada

Sustainability Incorporated into School Design

The newly renovated Steinbach Regional Secondary School in Manitoba is assisting the faculty with a great lesson for the students on the environment and the impact buildings make. Stantec Architecture and the Hanover School Division envisioned a school built to serve as a learning tool for its existing students as well as the growing community. To align with the sustainable design elements, the school incorporates chilled beam products as its primary source of air distribution.

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Geothermal Contributes to Net-Zero Success

All builders in Whisper Valley are required to hook up to EcoSmart’s GeoGrid, a 5-mile loop of underground distribution piping that links each home to a geo-exchange network, engineered and manufactured by REHAU, a global provider of hydronic technologies and a strategic partner in the Whisper Valley project. “It took a bit of time to figure out who was doing what,” says Dennis Ciani, head of marketing for Pacesetter Homes, an Austin-area builder that constructs about 500 homes per year, including most of the new homes in Whisper Valley. “But the geothermal loop was already in the ground and all homeowners had to do was tie into it, which turned out to be fairly easy

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