Environmental and Climate Technologies,
Journal Year:
2024,
Volume and Issue:
28(1)
Published: Jan. 1, 2024
Abstract
To
achieve
climate
neutrality
by
2050,
decarbonizing
the
building
sector
is
crucial,
as
it
currently
contributes
36
%
of
greenhouse
gas
emissions
in
Europe.
Monitoring
decarbonization
progress
essential
for
evaluating
our
trajectory
towards
long-term
goals,
facilitating
informed
decision-making.
However,
monitoring
this
issue
unfeasible
due
to
a
lack
real
data.
Despite
challenges
data
gathering,
directives
like
Infrastructure
Spatial
Information
Europe
(INSPIRE)
and
Energy
Performance
Buildings
Directive
(EPBD)
promote
open
accessibility.
overcome
barrier,
paper
suggests
using
georeferencing
automated
cross-referencing
obtain
monitor
effectively.
This
approach
materializes
proposal
national-scale
Urban
Building
Model
(UBEM)
Spain,
which
leverages
from
Certificates
(EPC)
potentially
Digital
Logbooks
(DBL)
enhance
it.
The
study
demonstrates
considerable
potential
approach,
not
only
characterizing
energy
performance
Spanish
buildings
based
on
location,
type,
age
but
also
estimating
consumption,
carbon
dioxide
emissions,
renovation
progress,
assessing
savings,
identifying
energy-inefficient
segments.
Finally,
compares
information
obtained
proposed
model
with
set
indicators
EPBD
recast
new
national
plans,
concluding
that
UBEM
manages
provide
collect
29
and,
when
combined
DBL,
would
be
able
59.
framework
holds
promise
replication
other
MS,
offering
valuable
insights
into
European
stock.
Energy Conversion and Management,
Journal Year:
2024,
Volume and Issue:
306, P. 118284 - 118284
Published: March 11, 2024
The
assessment
of
energy
efficiency
and
the
environmental
impact
building
operation,
in
terms,
determine
to
a
large
extent
intensity
housing
sector
as
whole
planning
transition
measures.
In
order
for
these
measures
be
properly
targeted
reliable,
it
is
necessary
accurately
demand
building.
calculation
model
presented
article
allows
multivariate
building's
using
static
methods.
methodology
determination
performance
certificates
buildings
complemented
by
an
interpretation
regarding
systems
emissions.
A
existing
single-family
was
evaluated
this
purpose,
subjected
analysis
depending
on
configuration
heating
system.
Final
primary
values,
fuel
consumption
emissions
pollutants
environment
were
determined
each
total
twenty-two
variants.
carried
out
results
obtained
show
that
there
no
logical
relationship
between
indicator,
used
buildings,
its
impact.
Buildings,
Journal Year:
2024,
Volume and Issue:
14(5), P. 1241 - 1241
Published: April 27, 2024
Urban
building
energy
models
(UBEMs),
developed
to
understand
the
performance
of
stocks
a
region,
can
aid
in
key
decisions
related
policy
and
climate
change
solutions.
However,
creating
city-scale
UBEM
is
challenging
due
requirements
diverse
geometric
non-geometric
datasets.
Thus,
we
aimed
further
elucidate
process
with
disparate
scarce
data
based
on
bottom-up,
physics-based
approach.
We
focused
three
typically
overlooked
but
functionally
important
commercial
stocks,
which
are
sales
shopping,
healthcare
facilities,
food
services,
region
Pittsburgh,
Pennsylvania.
harvested
relevant
local
information
employed
photogrammetry
image
processing.
created
archetypes
for
types,
designed
3D
buildings
SketchUp,
performed
an
analysis
using
EnergyPlus.
The
average
annual
simulated
use
intensities
(EUIs)
were
528
kWh/m2,
822
2894
kWh/m2
respectively.
In
addition
variations
found
pattern
among
considerable
observed
within
same
stock.
About
9%
11%
errors
shopping
facilities
when
validating
results
actual
data.
suggested
conservation
measures
could
reduce
EUI
by
10–26%
depending
type.
assist
finding
energy-efficient
retrofit
solutions
respect
carbon
reduction
goal
at
city
scale.
limitations
highlighted
may
be
considered
higher
accuracy,
has
high
potential
integrate
urban
models,
circular
economy,
life
cycle
assessment
sustainable
planning.
Heliyon,
Journal Year:
2025,
Volume and Issue:
11(4), P. e42506 - e42506
Published: Feb. 1, 2025
The
European
Union
(EU)
has
identified
the
building
sector
to
address
reduction
in
energy
consumption,
with
buildings
operation
contributing
close
half
of
total
use
EU.
To
this,
various
EU
member
states,
including
Czech
Republic,
have
implemented
efficiency
subsidy
programs.
real
estate
plays
a
significant
role
economy,
tenth
country's
GDP,
yet
impact
on
rental
prices
remains
underexplored.
This
study
investigates
relationship
between
performance
certificates
(EPCs)
and
apartment
Republic.
Using
revised
cleaned
dataset
over
30,000
observations
scraped
from
largest
portal,
we
analyze
across
three
categories
conditions:
newly
built
units,
renovated
units
good
condition
without
major
renovations.
Employing
two-stage
least
squares
(2SLS)
regression
approach
account
for
endogeneity,
results
reveal
positive
prices,
consistent
all
models.
Newly
show
highest
premium
efficiency,
while
good-condition
demonstrate
larger
decrease
premiums
respectively.
Regional
heating
type,
ownership
structure,
amenities
also
significantly
influence
prices.
findings
align
trends
observed
other
markets
underscore
economic
environmental
benefits
energy-efficient
housing.
Applied Sciences,
Journal Year:
2025,
Volume and Issue:
15(5), P. 2374 - 2374
Published: Feb. 23, 2025
This
study
presents
a
comprehensive
analysis
of
the
energy
efficiency
and
sustainability
Variable
Refrigerant
Flow
(VRF)
systems
in
university
buildings
during
winter
season,
offering
significant
contributions
to
field.
A
novel
methodology
is
introduced
accurately
assess
real
Seasonal
Coefficient
Performance
(SCOP)
VRF
systems,
benchmarked
against
conventional
Heating,
Ventilation,
Air
Conditioning
(HVAC)
technologies,
such
as
natural
gas-fueled
boiler
systems.
The
findings
demonstrate
outstanding
seasonal
performance,
with
system
achieving
SCOP
5.349,
resulting
substantial
savings
enhanced
sustainability.
Key
outcomes
include
67%
reduction
primary
consumption
79%
decrease
greenhouse
gas
emissions
per
square
meter
when
compared
traditional
Furthermore,
meet
83%
building’s
demand
through
renewable
sources,
exceeding
regulatory
threshold
2.5.
These
results
underscore
transformative
potential
nearly
Zero-Energy
Building
(nZEB)
objectives,
illustrating
their
ability
exceed
stringent
standards.
research
emphasizes
strategic
importance
adopting
advanced
HVAC
solutions,
particularly
regions
high
heating
demands,
those
characterized
by
continental
climates.
emerge
superior
alternative,
optimizing
while
significantly
reducing
environmental
footprint
buildings.
By
contributing
global
sustainable
development
climate
change
mitigation
efforts,
this
advocates
for
widespread
adoption
positioning
them
critical
component
transition
toward
sustainable,
zero-energy
building
future.
Abstract
A
country
or
a
city
is
largely
characterized
by
its
architecture
and
urbanism.
robust
understanding
of
the
characteristics
existing
building
stock
provides
more
solid
basis
for
development
European
national
policies.
In
this
chapter,
we
propose
indicators
to
measure
general
buildings
at
regional
levels,
using
as
case
studies
Spain
two
regions,
Aragon
Basque
Country.
Given
there
no
official
definition
what
are,
in
chapter
whose
knowledge
can
allow
lay
foundations
improvement.
We
also
studied
sources
information
available
mentioned
regions
these
developed
them
when
were
data.
Out
fourteen
proposed
indicators,
five
could
be
fully
developed,
eight
partially
one
not
due
lack
Abstract
The
decarbonization
objectives
outlined
by
Europe,
coupled
with
the
aging
of
existing
buildings,
underscore
importance
evaluating
evolution
energy
characteristics
building
stock
at
both
national
and
regional
levels.
To
facilitate
this
evaluation
in
Spain,
along
its
regions
Aragon
Basque
Country,
a
set
indicators
is
suggested
chapter.
These
aim
to
offer
insights
into
annual
final
consumption
type
per
end
use.
Additionally,
Energy
Performance
Certificates
(EPCs)
are
put
forth
as
valuable
indicators,
focus
on
number
class
derived
from
these
certificates.
In
case
former
Spain
benefits
data
sources,
although
enhancements
possible
through
improved
processing
techniques
extraction
information
based
characteristics.
As
for
EPCs,
it
recommended
that
provided
undergo
standardization
process
ensure
more
comprehensive
development
indicators.
Furthermore,
an
additional
proposed
indicator
involves
measurement
quantity
surface
area
nearly
zero-energy
buildings
(nZEB).
Unfortunately,
current
lack
or
sources
hampers
particular
indicator.
Abstract
Indicators
are
necessary
to
assess
the
effectiveness
of
building
renovation
policies
and
know
whether
European
Union
Member
States’
long-term
strategies
deliver
progress
towards
transformation
stock
into
a
decarbonized
one.
Worst
performing
segments,
rental
properties,
energy
poverty
have
been
identified
as
key
issues
be
addressed
in
decarbonization
sector
Europe.
In
this
chapter,
we
propose
indicators
measure
evolution
Spain
worst
segments
regarding
energy,
performance
rented
following
Commission
recommendations
directives.
We
also
studied
sources
information
available
for
development
these
developed
them
when
there
were
data.
This
study
allowed
us
conclude
that
country,
good
data
develop
indicators,
which
could
improved
by
systematically
collecting
on
percentage
population
living
inadequate
housing
thermal
conditions
summer.
It
is
improve
unify
from
certificates
buildings
published
different
regions
order
better
relating
stock.
There
lack
efficiency
properties.