Energy Savings
ENERGY STAR was created to help consumers
easily identify products, homes, and buildings that save
energy and money, and help protect the environment. As the
government-backed, trusted symbol for energy efficiency,
the ENERGY STAR label identifies highly efficient products
and designates superior energy performance in homes and buildings.
Reflectix is proud to offer insulation products that help
meet the performance goals of ENERGY STAR Home Sealing.
Consumers
are less concerned about how energy barriers work than
they are about their effect on utility bills. This is much
less than the 97 percent reduction in attic radiant heat
flow because other forms of heat flow contribute to the total
cooling (or heating) load. Data can expect to vary with
region. The following data provided by the Florida Solar
Energy Center (FSEC) demonstrates the economic savings possible
for a typical Florida home:
- During the summer, an attic radiant barrier
will reduce heat gain through the ceiling by about 40
percent. This will in turn save 10 to 15 percent on the heating
and cooling portion of electricity costs in a typical Florida
home. That equates to about 3 to 6 percent savings on
the entire annual electricity bill. Because attics account
for only about 15 to 25 percent of the total heat gain
into a Florida home, it's impossible for any attic energy
conservation measure to save 40 percent on the total bill.
- During the summer only about 20 to 30 percent of the
air conditioner load is due to heat gain through the ceiling.
Thus the 40 percent reduction reduces the total cooling
load of the home by 8 to 12 percent.
- This 8 to 12 percent energy savings occurs in only the
cooling season. Even recognizing that radiant barriers
are also effective during the heating season, the major
benefit appears to be in reduction in the air conditioning
load.
- Finally, the space-conditioning load is only a part of
the total electric utility bill. Annual utility bill savings
can be reasonably estimated to range between about 2 and
10 percent.
- Payback period is from six to seven years.
- A 15 to 19 percent percent return on investment can be
expected.
Sources: Electric Power Research Institute - CA, Oak Ridge
National Laboratory - TN, Florida Solar Energy Center
- FL
Reflectix® Insulation is labeled as part of ENERGY
STAR® Home Sealing. When installed properly Reflectix
helps ensure homes stay comfortable and energy efficient
all year long.
Related: See
Radiant Barrier Video (8mb) |