Building Management Hawaii June/July 2013 - (Page 18)
Solar & More
Steep-Slope Solar
In real time, count the trees, pounds of carbon
dioxide and gallons of gas that you’ve saved today.
By Mark Stancroff
A
s Hawaii continues to battle
the highest utility bills in the
nation, solar power is fast becoming
the go-to solution for many property
owners in need relief. For property
owners who manage duplex or singlefamily properties with steep-slope
asphalt or flat tile shingles, integrated
solar roofing can be a huge help in
reducing, and possibly eliminating,
monthly electricity costs. With federal
and state incentives paying back up
to 65 percent of the up-front cost, it’s
becoming a no-brainer to consider
these types of aesthetically pleasing,
affordable high-powered solutions.
One such solution is the integrated
Apollo® II Solar Roofing System,
offered by CertainTeed Corporation.
What’s different about integrated
photovoltaic systems compared to
their rack-mounted predecessors?
Well, a lot. For example, with the
Apollo II, its highly efficient 54-watt
panels can easily be integrated into
either an existing roof or with the
installation of a new asphalt or flat
tile shingle roof for a clean, seamless
appearance not found with bulky
rack-mounted systems. Apollo II is also
lighter weight but sturdy, featuring
12-pound modules with 14 highefficiency monocrystalline silicon solar
cells that can carry loads up to 250
pounds and is rated for wind resistance
up to 110 mph. The low-profile panels
don’t require structural reinforcement
or evaluation, and the sleek black
frame, cells and backsheet visually
blend with surrounding shingles.
Today’s integrated systems are also
making harnessing of the sun’s energy
much easier. From dawn to dusk,
the panels absorb sunlight while an
inverter makes the electricity usable,
collecting the alternating current (AC)
and converting it into DC. There are no
heavy batteries to worry about, since
grid tight systems feed directly into the
power grid. Each day, depending upon
the weather, the system will generate
a portion or, in some cases, all or
more electricity that the property uses
during the day. The inverter will only
pull electricity through the electric
meter when more is needed than the
roof collects. If the property doesn’t use
all of the electricity, the excess power
flows back through the meter and into
the power grid, resulting in an even
lower electric bill and in some cases an
account credit.
Integrated solar roofing allows
users to look up daily operating
numbers without waiting on
a monthly utility bill. This is
accomplished through an userfriendly management solar PV
monitor that allows users to review
and analyze the performance of
Commercial ~ Industrial
Cooling & Boiler
Systems Management
Featuring
UVOX® II
Proven, Guaranteed
Non-Chemical
Cooling Water Treatment
Since 1981
Grant Tolentino
District Manager
808-351-1746
18
June - July 2013
BMH
www.buildingmanagementhawaii.com
http://www.buildingmanagementhawaii.com
Table of Contents for the Digital Edition of Building Management Hawaii June/July 2013
Special Section: BIA Renaissance Awards
Solar & More - Made In The Shade
Solar Options For Condos
Beyond PV…The Power Of The Negawatts
Solar On The Highrise
On The Farm With PV
The Reality Of Exploring Solar
Steep-Slope Solar
Concrete & Asphalt - Fresh Surfaces for Work & Play
Pavement Maintenance 101
Asphalt Alternatives
Rocky Road
Pavement Preservation
Painting Top 5 Painting Tips
Painting & Exterior Finishes
Lead & Rules
On Site: Renting Delinquent Units
Building Management Hawaii June/July 2013
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