Commercial Architecture November 2017 - 37

PROJECT

hvac

the building was switched from natural gas-fired steam to an elec-

LIVE, WORK, AND WORSHIP

Left. Conference areas, offices, and bed-

trically driven heat-pump system.

"The respect that Green Star had for us is absolutely second to

rooms are served by wall-hung units of
various sizes.

none," said Sister Bridget Mary Troy. They worked around us at
FLEXIBILITY AND VARIETY

all times and did nothing to mar this sacred space." Green Star

A contract for the installation phase was signed in February of

worked around worship services in the chapel. In the residences

2016 and work began immediately.

and the convalescent wing, work was isolated to very small areas

All 14 Fujitsu General Airstage VRF condensing units were in-

to allow everyday life to continue as usual. Work areas were kept

stalled on an access roof between the main building and the chapel.

very small and isolated with dust-barrier systems. As rooms were

Because the small, flat rooftop is sandwiched behind and between

completed, units were powered up to immediately provide con-

two taller portions of the convent, it's difficult to spot from the

ditioning.

ground.

"One advantage of VRF equipment is the ability to install and

The electric-service upgrade was also simplified because all of

commission systems incrementally," explained Novella. "Some of

the outdoor units were concentrated in one, easily accessible area.

the units on the residential floor were up and running while we

The system includes a variety of 8- and 10-ton condensing

Above. Throughout the chapel, steam
radiators were removed from the oak
casework and replaced with 18,000-Btu
vertically mounted slim-duct units that
are completely concealed.

were still installing others right down the hall."

units, which are paired into seven refrigeration circuits between

Green Star estimates that the project will yield 60% savings,

16 and 20 ton each. Inside the building, 144 units serve spaces

while also providing air conditioning to portions of the building

large and small.

that weren't cooled before. "This project not only allows us to

Throughout the chapel, steam radiators were removed from

better serve our ministries, but also increase our sustainability,"

the oak casework and replaced with 18,000-Btu slim-duct units.

explained Sister Howard. "By bringing cost-effective and conser-

The vertically mounted evaporators are completely concealed and

vation-minded equipment to our building, we're keeping with

provide heating and cooling to the sacred space. Other smaller

Pope Francis' call to care for the Earth and care for all that has

slim-duct units are installed in bedrooms and hallways.

been given to us." CA

Conference areas, offices, and bedrooms are served by wallhung units of various sizes. Ceiling units are also used in several
hallways.
On the fourth floor-the only area with existing ductwork-
high-static air handlers were used to replace the existing ducted air
handlers.
Installing units in every area of a building whose nature is
commercial, residential, institutional, and religious, was easier
said than done. Much care was needed to minimize disturbance

Want more information? To download the information listed below, visit
commercialarchitecturemagazine.com/1711fujitsu

Circle 13 on the Reader Service Card.

Download the Fujitsu Airstage VRF catalog.

Watch a video about the project.

throughout the entire project.
commercialarchitecturemagazine.com

NOVEMBER 2017

COMMERCI A L A RCHI T EC T URE

37


http://www.commercialarchitecturemagazine.com/1711fujitsu http://www.commercialarchitecturemagazine.com

Table of Contents for the Digital Edition of Commercial Architecture November 2017

The Architects
Preserve Or Restore?
Adaptive Reuse
Light, Sound Contribute to Comforting Experience
Access Flooring Saves Energy, Improves IAQ
Green Walls Welcome Restaurant Guests
High-Profile Ceilings
HVAC System Redirects Convent Resources
Lighting Complements 'Study Cascade' Design
Assembly-Plant Lighting Retrofit
Brewing Up Lighting
Have It All: Quality, Comfort, Efficiency, Cost Savings
Translucent Facade Highlights Learning
Historical Details, High-Performance Windows
Protecting And Enlightening History
Most-Wired Hospital Saves Big
Showcase
Commercial Architecture November 2017 - Cover1
Commercial Architecture November 2017 - Cover2
Commercial Architecture November 2017 - 1
Commercial Architecture November 2017 - 2
Commercial Architecture November 2017 - 3
Commercial Architecture November 2017 - 4
Commercial Architecture November 2017 - 5
Commercial Architecture November 2017 - The Architects
Commercial Architecture November 2017 - 7
Commercial Architecture November 2017 - Preserve Or Restore?
Commercial Architecture November 2017 - 9
Commercial Architecture November 2017 - 10
Commercial Architecture November 2017 - 11
Commercial Architecture November 2017 - 12
Commercial Architecture November 2017 - 13
Commercial Architecture November 2017 - 14
Commercial Architecture November 2017 - 15
Commercial Architecture November 2017 - Adaptive Reuse
Commercial Architecture November 2017 - 17
Commercial Architecture November 2017 - 18
Commercial Architecture November 2017 - 19
Commercial Architecture November 2017 - 20
Commercial Architecture November 2017 - 21
Commercial Architecture November 2017 - Light, Sound Contribute to Comforting Experience
Commercial Architecture November 2017 - 23
Commercial Architecture November 2017 - Access Flooring Saves Energy, Improves IAQ
Commercial Architecture November 2017 - 25
Commercial Architecture November 2017 - Green Walls Welcome Restaurant Guests
Commercial Architecture November 2017 - 27
Commercial Architecture November 2017 - High-Profile Ceilings
Commercial Architecture November 2017 - 29
Commercial Architecture November 2017 - 30
Commercial Architecture November 2017 - 31
Commercial Architecture November 2017 - 32
Commercial Architecture November 2017 - 35
Commercial Architecture November 2017 - HVAC System Redirects Convent Resources
Commercial Architecture November 2017 - 37
Commercial Architecture November 2017 - 38
Commercial Architecture November 2017 - 39
Commercial Architecture November 2017 - 40
Commercial Architecture November 2017 - Lighting Complements 'Study Cascade' Design
Commercial Architecture November 2017 - 42
Commercial Architecture November 2017 - Assembly-Plant Lighting Retrofit
Commercial Architecture November 2017 - Brewing Up Lighting
Commercial Architecture November 2017 - 45
Commercial Architecture November 2017 - 46
Commercial Architecture November 2017 - 47
Commercial Architecture November 2017 - Have It All: Quality, Comfort, Efficiency, Cost Savings
Commercial Architecture November 2017 - 49
Commercial Architecture November 2017 - 50
Commercial Architecture November 2017 - 51
Commercial Architecture November 2017 - 52
Commercial Architecture November 2017 - 53
Commercial Architecture November 2017 - Translucent Facade Highlights Learning
Commercial Architecture November 2017 - 55
Commercial Architecture November 2017 - Historical Details, High-Performance Windows
Commercial Architecture November 2017 - 57
Commercial Architecture November 2017 - Protecting And Enlightening History
Commercial Architecture November 2017 - 59
Commercial Architecture November 2017 - 60
Commercial Architecture November 2017 - Most-Wired Hospital Saves Big
Commercial Architecture November 2017 - 62
Commercial Architecture November 2017 - 63
Commercial Architecture November 2017 - Showcase
Commercial Architecture November 2017 - 65
Commercial Architecture November 2017 - 66
Commercial Architecture November 2017 - Cover3
Commercial Architecture November 2017 - Cover4
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