Refrigeration & Air Conditioning Technology, 8e - 5

5

Introduction

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1998 (June)-The EPA proposed new regulations on
recovery/recycling standards, equipment leak rates, and
alternative refrigerants.
2004-35% reduction in HCFC refrigerant production.
2007-HCFC reduction on production was accelerated
from 65% to 75% from the baseline 1989 production year.
2010-HCFC-22 is banned in new equipment. No production or importing of HCFC-22 and HCFC-142b, except for
use in equipment manufactured before January 1, 2010.
2015-90% reduction in HCFC-22 production from
the baseline production year of 1989. No production or
importing of any HCFC, except for use in equipment manufactured before January 1, 2010.
2020-Total ban on HCFC-22 production. No production and no importing of R-22 and R-142b.
2030-Total ban on all HCFC production. No production
and no importing of any HCFC.

From 1997 to 2000, voluntary HVAC/R technician certification became a major focus of the industry. From 1998
to the present, the major players in voluntary HVAC/R
technician certification and home-study examinations were,
and continue to be, the AC&R Safety Coalition, the Air
Conditioning, Heating, and Refrigeration Institute (AHRI),
the Heating, Air Conditioning, and Refrigeration Distributors International (HARDI), the Carbon Monoxide Safety

Association (COSA), the Green Mechanical Council, HVAC
Excellence, North American Technician Excellence (NATE),
the Refrigeration Service Engineers Society (RSES), and the
United Association of Journeymen and Apprentices (UA).
By 2008, global warming had become a major environmental issue. A scoring system was designed to help engineers,
contractors, and consumers know the "green value" of each
mechanical installation. R-410A, an efficient and chlorine-free
HFC-based refrigerant blend for residential and light-commercial air-conditioning applications was developed for use
with the scroll compressor for greater efficiencies. Also today,
every central split cooling system manufactured in the United
States must have a Seasonal Energy Efficiency Ratio (SEER)
rating of at least 13. This energy requirement was mandated
by federal law as of January 23, 2006. The "green value"
encompasses the system's energy efficiency, pollution output,
and sustainability. Green buildings and green mechanical systems are becoming increasingly popular in today's world as a
way to curb global warming.
Green awareness, global warming, energy efficiency,
energy savings, sustainability, and high-performance buildings are still at the forefront of environmental and energy
concerns. Energy audits have become an integral part of evaluating and assessing the energy performance of existing buildings. Higher efficiency standards for the performance of new
buildings have been established.

1996

2008-2014

Gradual HcFc production phaseout
schedule with the total phaseout of
HcFc refrigerants in the year 2030.
Phaseout of cFc refrigerants.

1997-2000

Kyoto Protocol introduced, intended
to reduce worldwide global warming
gases. Global warming has become
a major environmental issue.
Voluntary HVAc/r technician certification became a major focus.
2000

1995
unlawful to intentionally
vent alternative refrigerants (HFcs and all
refrigerant blends) into
the atmosphere as of
november, 1995.

Green awareness, global warming, energy efficiency, equipment efficiency, energy savings, sustainability and high
performance buildings are still on the environmental and
energy forefront. energy audits have become an integral
part of evaluating and assessing existing building's energy
performance. Higher efficiency standards for new building's
energy performance have been established. Higher levels of
training and certification have been developed for HVAc/r
technicians to meet the needs of more sophisticated, energyefficient buildings and HVAc/r equipment. carbon dioxide
(r-744) is gaining popularity in commercial refrigeration applications. this naturally occurring refrigerant does not deplete
ozone and has a low global warming potential (GWP).

2006
"Minimum 13 Seer" required for 1 1/2- to
5-ton unitary equipment and split/ packaged
air conditioners and heat pumps.

1998-2005

r-410A, an efficient
and chlorine-free
HFc-based refrigerant blend for
residential and
light-commercial air-conditioning
applications, is used with the scroll
compressor for greater efficiencies.

2015-2016
the SMArt revolution
is taking hold where
wireless technology,
applications (Apps),
smart phones, notebooks, and pads,
are controlling and
monitoring HVAcr
equipment through
wireless networks.
cloud computing is
also becoming very
popular.

"Green awareness"-Green mechanical systems and green buildings
become increasingly popular as a way
to curb global warming and conserve energy. natural refrigerants like
carbon dioxide, ammonia, propane,
butane, and isobutane are becoming
increasingly popular because of their
low GWP, zero odP, low costs, availability, and high efficiencies.



Refrigeration & Air Conditioning Technology, 8e

Table of Contents for the Digital Edition of Refrigeration & Air Conditioning Technology, 8e

Contents
Refrigeration & Air Conditioning Technology, 8e - Cover1
Refrigeration & Air Conditioning Technology, 8e - Cover2
Refrigeration & Air Conditioning Technology, 8e - i
Refrigeration & Air Conditioning Technology, 8e - ii
Refrigeration & Air Conditioning Technology, 8e - iii
Refrigeration & Air Conditioning Technology, 8e - Contents
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