HVAC

Hawaii Tackles Affordable Housing with HVAC Solution at Kapiolani Residence

With affordable housing availability a problem in Hawaii, the state is incentivizing developers to tackle the issue. Hawaii’s cost of electricity for the residential sector is the highest in the nation—currently 2.5 times the national average—so it can be heavy burden on households that are already struggling.When developer Timothy Yi, President of Samkoo Pacific & Samkoo Hawaii, set out to build the 45-story Kapiolani Residence in Honolulu, Hawaii, he wanted to provide an affordable housing option with enhanced functionality and modern design. And part of its affordability had to be keeping utility costs low for residents as well.

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McCormick Place's Rapid COVID-19 Alternate Care Facility

McCormick Place's Rapid COVID-19 Alternate Care Facility Conversion

In record time, Stantec and Walsh Construction delivered 300 beds for low-acuity patients and moderate-acuity COVID-19 patients to relieve capacity in the City of Chicago’s hospital system. Directed by the U.S. Army Corps of Engineers, in association with The Metropolitan Pier and Exposition Authority, Environmental Systems Design was brought in for the mechanical, electrical, plumbing, medical cases and fire protection, and Thornton Tomasetti took care of the structural design.Fortunately, the convention center’s large open halls and regularly spaced in-floor utilities—power, data, water and drains—were ideal for setting up bays of patient spaces. Further, in the low

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St. Mary-Corwin Medical Center

Colorado Delivers for COVID-19

Providing more than 200 beds in less than a month’s time, the two design-build projects involved the renovation of two floors at St. Mary-Corwin Medical Center in Pueblo for non-acute patients and a three-story tower for acute and non-acute patients at St. Anthony’s North in Westminster.“Both projects required a highly responsive, collaborative approach and the commitment of all stakeholders, and design and trade partners to successfully execute in a condensed time frame,” reports Keegan Snow, design phase manager, Mortenson, Denver.To keep pace, the project teams worked to quickly disseminate information to enable efficient design making and worked around the clock w

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Integration Enabler

DX Kits enable installers of Fujitsu Airstage VRF systems to incorporate third-party air handling units and fan coils into a VRF system or connect them to a dedicated Fujitsu VRF outdoor unit as a 1:1 system. Various control strategies are available such as control by air discharge sensor, or return air temperature sensor, when connected to AHU or fan coil unit. The system can also be controlled via Modbus interface for integration into a BMS. 

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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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